[update] remove RT_USING_TC

36 files changed, 0 insertions, 4666 deletions

diff --git a/examples/kernel/SConscript b/examples/kernel/SConscript
deleted file mode 100755
index 24d28cdd43..0000000000
--- a/examples/kernel/SConscript
+++ /dev/null
@@ -1,42 +0,0 @@
-from building import *
-
-src = Split("""
-tc_comm.c
-thread_static.c
-thread_dynamic.c
-thread_priority.c
-thread_same_priority.c
-thread_static_simple.c
-thread_dynamic_simple.c
-thread_delete.c
-thread_detach.c
-thread_yield.c
-thread_suspend.c
-thread_resume.c
-semaphore_static.c
-semaphore_dynamic.c
-semaphore_priority.c
-semaphore_buffer_worker.c
-semaphore_producer_consumer.c
-mutex_simple.c
-mutex_priority.c
-event_simple.c
-mbox_simple.c
-mbox_send_wait.c
-messageq_simple.c
-timer_static.c
-timer_dynamic.c
-timer_stop_self.c
-timer_control.c
-timer_timeout.c
-heap_malloc.c
-heap_realloc.c
-memp_simple.c
-tc_sample.c
-""")
-
-group = DefineGroup('Examples', src,
-                    depend = ['RT_USING_TC'],
-                    CPPPATH=[GetCurrentDir()])
-
-Return('group')
diff --git a/examples/kernel/cpuusage.c b/examples/kernel/cpuusage.c
deleted file mode 100644
index 5f9d480139..0000000000
--- a/examples/kernel/cpuusage.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-#include <rtthread.h>
-#include <rthw.h>
-
-#define CPU_USAGE_CALC_TICK    10
-#define CPU_USAGE_LOOP        100
-
-static rt_uint8_t  cpu_usage_major = 0, cpu_usage_minor= 0;
-static rt_uint32_t total_count = 0;
-
-static void cpu_usage_idle_hook()
-{
-    rt_tick_t tick;
-    rt_uint32_t count;
-    volatile rt_uint32_t loop;
-
-    if (total_count == 0)
-    {
-        /* get total count */
-        rt_enter_critical();
-        tick = rt_tick_get();
-        while(rt_tick_get() - tick < CPU_USAGE_CALC_TICK)
-        {
-            total_count ++;
-            loop = 0;
-            while (loop < CPU_USAGE_LOOP) loop ++;
-        }
-        rt_exit_critical();
-    }
-
-    count = 0;
-    /* get CPU usage */
-    tick = rt_tick_get();
-    while (rt_tick_get() - tick < CPU_USAGE_CALC_TICK)
-    {
-        count ++;
-        loop  = 0;
-        while (loop < CPU_USAGE_LOOP) loop ++;
-    }
-
-    /* calculate major and minor */
-    if (count < total_count)
-    {
-        count = total_count - count;
-        cpu_usage_major = (count * 100) / total_count;
-        cpu_usage_minor = ((count * 100) % total_count) * 100 / total_count;
-    }
-    else
-    {
-        total_count = count;
-
-        /* no CPU usage */
-        cpu_usage_major = 0;
-        cpu_usage_minor = 0;
-    }
-}
-
-void cpu_usage_get(rt_uint8_t *major, rt_uint8_t *minor)
-{
-    RT_ASSERT(major != RT_NULL);
-    RT_ASSERT(minor != RT_NULL);
-
-    *major = cpu_usage_major;
-    *minor = cpu_usage_minor;
-}
-
-void cpu_usage_init()
-{
-    /* set idle thread hook */
-    rt_thread_idle_sethook(cpu_usage_idle_hook);
-}
diff --git a/examples/kernel/event_simple.c b/examples/kernel/event_simple.c
deleted file mode 100644
index 78887b6aea..0000000000
--- a/examples/kernel/event_simple.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-/*
- * 程序清单：事件例程
- *
- * 这个程序会创建3个动态线程及初始化一个静态事件对象
- * 一个线程等于事件对象上以接收事件；
- * 一个线程定时发送事件 (事件3)
- * 一个线程定时发送事件 (事件5)
- */
-#include <rtthread.h>
-#include <sys/time.h>
-#include "tc_comm.h"
-
-/* 指向线程控制块的指针 */
-static rt_thread_t tid1 = RT_NULL;
-static rt_thread_t tid2 = RT_NULL;
-static rt_thread_t tid3 = RT_NULL;
-
-/* 事件控制块 */
-static struct rt_event event;
-
-/* 线程1入口函数 */
-static void thread1_entry(void *param)
-{
-    rt_uint32_t e;
-
-    while (1)
-    {
-        /* receive first event */
-        if (rt_event_recv(&event, ((1 << 3) | (1 << 5)),
-                          RT_EVENT_FLAG_AND | RT_EVENT_FLAG_CLEAR,
-                          RT_WAITING_FOREVER, &e) == RT_EOK)
-        {
-            rt_kprintf("thread1: AND recv event 0x%x\n", e);
-        }
-
-        rt_kprintf("thread1: delay 1s to prepare second event\n");
-        rt_thread_delay(10);
-
-        /* receive second event */
-        if (rt_event_recv(&event, ((1 << 3) | (1 << 5)),
-                          RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR,
-                          RT_WAITING_FOREVER, &e) == RT_EOK)
-        {
-            rt_kprintf("thread1: OR recv event 0x%x\n", e);
-        }
-
-        rt_thread_delay(5);
-    }
-}
-
-/* 线程2入口函数 */
-static void thread2_entry(void *param)
-{
-    while (1)
-    {
-        rt_kprintf("thread2: send event1\n");
-        rt_event_send(&event, (1 << 3));
-
-        rt_thread_delay(10);
-    }
-}
-
-/* 线程3入口函数 */
-static void thread3_entry(void *param)
-{
-    while (1)
-    {
-        rt_kprintf("thread3: send event2\n");
-        rt_event_send(&event, (1 << 5));
-
-        rt_thread_delay(20);
-    }
-}
-
-int event_simple_init()
-{
-    /* 初始化事件对象 */
-    rt_event_init(&event, "event", RT_IPC_FLAG_PRIO);
-
-    /* 创建线程1 */
-    tid1 = rt_thread_create("t1",
-                            thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */
-                            THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid1 != RT_NULL)
-        rt_thread_startup(tid1);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 创建线程2 */
-    tid2 = rt_thread_create("t2",
-                            thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
-                            THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid2 != RT_NULL)
-        rt_thread_startup(tid2);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 创建线程3 */
-    tid3 = rt_thread_create("t3",
-                            thread3_entry, RT_NULL, /* 线程入口是thread3_entry, 入口参数是RT_NULL */
-                            THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid3 != RT_NULL)
-        rt_thread_startup(tid3);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 删除线程 */
-    if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid1);
-    if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid2);
-    if (tid3 != RT_NULL && tid3->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid3);
-
-    /* 执行事件对象脱离 */
-    rt_event_detach(&event);
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_event_simple()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-    event_simple_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 100;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_event_simple, a simple event example);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    event_simple_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/heap_malloc.c b/examples/kernel/heap_malloc.c
deleted file mode 100644
index e2fa4511e7..0000000000
--- a/examples/kernel/heap_malloc.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/*
- * This is an example for heap malloc
- */
-
-static rt_bool_t mem_check(rt_uint8_t *ptr, rt_uint8_t value, rt_uint32_t len)
-{
-    while (len)
-    {
-        if (*ptr != value)
-            return RT_FALSE;
-        ptr ++;
-        len --;
-    }
-
-    return RT_TRUE;
-}
-
-static void heap_malloc_init()
-{
-    rt_uint8_t res = TC_STAT_PASSED;
-    rt_uint8_t *ptr1, *ptr2, *ptr3, *ptr4, *ptr5;
-
-    ptr1 = rt_malloc(1);
-    ptr2 = rt_malloc(13);
-    ptr3 = rt_malloc(31);
-    ptr4 = rt_malloc(127);
-    ptr5 = rt_malloc(0);
-
-    memset(ptr1, 1, 1);
-    memset(ptr2, 2, 13);
-    memset(ptr3, 3, 31);
-    memset(ptr4, 4, 127);
-
-    if (mem_check(ptr1, 1, 1)   == RT_FALSE)
-        res = TC_STAT_FAILED;
-    if (mem_check(ptr2, 2, 13)  == RT_FALSE)
-        res = TC_STAT_FAILED;
-    if (mem_check(ptr3, 3, 31)  == RT_FALSE)
-        res = TC_STAT_FAILED;
-    if (mem_check(ptr4, 4, 127) == RT_FALSE)
-        res = TC_STAT_FAILED;
-
-    rt_free(ptr4);
-    rt_free(ptr3);
-    rt_free(ptr2);
-    rt_free(ptr1);
-
-    if (ptr5 != RT_NULL)
-    {
-        rt_free(ptr5);
-    }
-
-    tc_done(res);
-}
-
-#ifdef RT_USING_TC
-int _tc_heap_malloc()
-{
-    heap_malloc_init();
-
-    return 0;
-}
-FINSH_FUNCTION_EXPORT(_tc_heap_malloc, a heap malloc test);
-#else
-int rt_application_init()
-{
-    heap_malloc_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/heap_realloc.c b/examples/kernel/heap_realloc.c
deleted file mode 100644
index ab603c5d8d..0000000000
--- a/examples/kernel/heap_realloc.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/*
- * This is an example for heap malloc
- */
-
-static rt_bool_t mem_check(rt_uint8_t *ptr, rt_uint8_t value, rt_uint32_t len)
-{
-    while (len)
-    {
-        if (*ptr != value) return RT_FALSE;
-
-        ptr ++;
-        len --;
-    }
-
-    return RT_TRUE;
-}
-
-static void heap_realloc_init()
-{
-    rt_uint8_t res = TC_STAT_PASSED;
-    rt_uint8_t *ptr1, *ptr2, *ptr3, *ptr4, *ptr5;
-
-    ptr1 = rt_malloc(1);
-    ptr2 = rt_malloc(13);
-    ptr3 = rt_malloc(31);
-    ptr4 = rt_malloc(127);
-    ptr5 = rt_malloc(0);
-
-    memset(ptr1, 1, 1);
-    memset(ptr2, 2, 13);
-    memset(ptr3, 3, 31);
-    memset(ptr4, 4, 127);
-
-    if (mem_check(ptr1, 1, 1)   == RT_FALSE)
-    {
-        res = TC_STAT_FAILED;
-        goto _free;
-    }
-    if (mem_check(ptr2, 2, 13)  == RT_FALSE)
-    {
-        res = TC_STAT_FAILED;
-        goto _free;
-    }
-    if (mem_check(ptr3, 3, 31)  == RT_FALSE)
-    {
-        res = TC_STAT_FAILED;
-        goto _free;
-    }
-    if (mem_check(ptr4, 4, 127) == RT_FALSE)
-    {
-        res = TC_STAT_FAILED;
-        goto _free;
-    }
-
-    ptr1 = rt_realloc(ptr1, 13);
-    ptr2 = rt_realloc(ptr2, 31);
-    ptr3 = rt_realloc(ptr3, 127);
-    ptr4 = rt_realloc(ptr4, 1);
-    ptr5 = rt_realloc(ptr5, 0);
-    if (ptr5)
-    {
-        rt_kprintf("realloc(ptr, 0) should return NULL\n");
-        res = TC_STAT_FAILED;
-    }
-
-    if (mem_check(ptr1, 1, 1)   == RT_FALSE)
-        res = TC_STAT_FAILED;
-    if (mem_check(ptr2, 2, 13)  == RT_FALSE)
-        res = TC_STAT_FAILED;
-    if (mem_check(ptr3, 3, 31)  == RT_FALSE)
-        res = TC_STAT_FAILED;
-    if (mem_check(ptr4, 4, 1)    == RT_FALSE)
-        res = TC_STAT_FAILED;
-
-_free:
-    rt_free(ptr4);
-    rt_free(ptr3);
-    rt_free(ptr2);
-    rt_free(ptr1);
-
-    tc_done(res);
-}
-
-#ifdef RT_USING_TC
-int _tc_heap_realloc()
-{
-    heap_realloc_init();
-
-    return 0;
-}
-FINSH_FUNCTION_EXPORT(_tc_heap_realloc, a heap re-malloc test);
-#else
-int rt_application_init()
-{
-    heap_realloc_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/mbox_send_wait.c b/examples/kernel/mbox_send_wait.c
deleted file mode 100644
index 919ceca31d..0000000000
--- a/examples/kernel/mbox_send_wait.c
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：邮箱例程_发送阻塞
- *
- * 这个程序用来测试邮箱发送时候的阻塞情况。
- *
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 指向线程控制块的指针 */
-static rt_thread_t tid1 = RT_NULL;
-static rt_thread_t tid2 = RT_NULL;
-
-/* 邮箱控制块 */
-static struct rt_mailbox mb;
-/* 用于放邮件的内存池 */
-static char mb_pool[32];
-
-static char mb_str1[] = "I'm a mail!";
-static char mb_str2[] = "this is another mail!";
-
-/* 线程1入口 */
-static void thread1_entry(void* parameter)
-{
-    unsigned char* str;
-
-    while (1)
-    {
-        /* 从邮箱中收取邮件 */
-        if (rt_mb_recv(&mb, (rt_uint32_t*)&str, RT_WAITING_FOREVER) == RT_EOK)
-        {
-            rt_kprintf("thread1: get a mail from mailbox, the content:%s\n", str);
-
-            /* 延时20个OS Tick */
-            rt_thread_delay(50);
-        }
-    }
-}
-
-/* 线程2入口 */
-static void thread2_entry(void* parameter)
-{
-    rt_uint8_t count;
-    char  *str;
-
-    count = 0;
-    while (1)
-    {
-        count ++;
-        if (count & 0x1)
-        {
-            /* 发送mb_str1地址到邮箱中 */
-            str = mb_str1;
-        }
-        else
-        {
-            /* 发送mb_str2地址到邮箱中 */
-            str = mb_str2;
-        }
-
-        /* 不停的发送邮件，如果满了则等待10个tick，然后超时 */
-        if( rt_mb_send_wait(&mb, (rt_uint32_t)str,10) == RT_EOK )
-            rt_kprintf("thread2: sent a mail to mailbox, the content:%s\n", str);
-        else
-            rt_kprintf("thread2: timeout while waiting to send a mail.\n");
-    }
-}
-
-int mbox_send_wait_init()
-{
-    /* 初始化一个mailbox */
-    rt_mb_init(&mb,
-               "mbt",             /* 名称是mbt */
-               &mb_pool[0],       /* 邮箱用到的内存池是mb_pool */
-               sizeof(mb_pool)/4, /* 大小是mb_pool大小除以4，因为一封邮件的大小是4字节 */
-               RT_IPC_FLAG_PRIO); /* 采用PRIO方式进行线程等待 */
-
-    /* 创建线程1 */
-    tid1 = rt_thread_create("t1",
-                            thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */
-                            THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid1 != RT_NULL)
-        rt_thread_startup(tid1);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 创建线程2 */
-    tid2 = rt_thread_create("t2",
-                            thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
-                            THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid2 != RT_NULL)
-        rt_thread_startup(tid2);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 删除线程 */
-    if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid1);
-    if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid2);
-
-    /* 执行邮箱对象脱离 */
-    rt_mb_detach(&mb);
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_mbox_send_wait()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-    mbox_send_wait_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 300;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_mbox_send_wait, a example of mailbox send wait);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    mbox_send_wait_init();
-
-    return 0;
-}
-#endif
-
diff --git a/examples/kernel/mbox_simple.c b/examples/kernel/mbox_simple.c
deleted file mode 100644
index 373c5f2817..0000000000
--- a/examples/kernel/mbox_simple.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：邮箱例程
- *
- * 这个程序会创建2个动态线程，一个静态的邮箱对象，其中一个线程往邮箱中发送邮件，
- * 一个线程往邮箱中收取邮件。
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 指向线程控制块的指针 */
-static rt_thread_t tid1 = RT_NULL;
-static rt_thread_t tid2 = RT_NULL;
-
-/* 邮箱控制块 */
-static struct rt_mailbox mb;
-/* 用于放邮件的内存池 */
-static char mb_pool[128];
-
-static char mb_str1[] = "I'm a mail!";
-static char mb_str2[] = "this is another mail!";
-
-/* 线程1入口 */
-static void thread1_entry(void* parameter)
-{
-    unsigned char* str;
-
-    while (1)
-    {
-        rt_kprintf("thread1: try to recv a mail\n");
-
-        /* 从邮箱中收取邮件 */
-        if (rt_mb_recv(&mb, (rt_uint32_t*)&str, RT_WAITING_FOREVER) == RT_EOK)
-        {
-            rt_kprintf("thread1: get a mail from mailbox, the content:%s\n", str);
-
-            /* 延时10个OS Tick */
-            rt_thread_delay(10);
-        }
-    }
-}
-
-/* 线程2入口 */
-static void thread2_entry(void* parameter)
-{
-    rt_uint8_t count;
-
-    count = 0;
-    while (1)
-    {
-        count ++;
-        if (count & 0x1)
-        {
-            /* 发送mb_str1地址到邮箱中 */
-            rt_mb_send(&mb, (rt_uint32_t)&mb_str1[0]);
-        }
-        else
-        {
-            /* 发送mb_str2地址到邮箱中 */
-            rt_mb_send(&mb, (rt_uint32_t)&mb_str2[0]);
-        }
-
-        /* 延时20个OS Tick */
-        rt_thread_delay(20);
-    }
-}
-
-int mbox_simple_init()
-{
-    /* 初始化一个mailbox */
-    rt_mb_init(&mb,
-               "mbt",             /* 名称是mbt */
-               &mb_pool[0],       /* 邮箱用到的内存池是mb_pool */
-               sizeof(mb_pool)/4, /* 大小是mb_pool大小除以4，因为一封邮件的大小是4字节 */
-               RT_IPC_FLAG_PRIO); /* 采用PRIO方式进行线程等待 */
-
-    /* 创建线程1 */
-    tid1 = rt_thread_create("t1",
-                            thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */
-                            THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid1 != RT_NULL)
-        rt_thread_startup(tid1);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 创建线程2 */
-    tid2 = rt_thread_create("t2",
-                            thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
-                            THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid2 != RT_NULL)
-        rt_thread_startup(tid2);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 删除线程 */
-    if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid1);
-    if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid2);
-
-    /* 执行邮箱对象脱离 */
-    rt_mb_detach(&mb);
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_mbox_simple()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-    mbox_simple_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 100;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_mbox_simple, a simple mailbox example);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    mbox_simple_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/memp_simple.c b/examples/kernel/memp_simple.c
deleted file mode 100644
index 055db41912..0000000000
--- a/examples/kernel/memp_simple.c
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：内存池例程
- *
- * 这个程序会创建一个静态的内存池对象，2个动态线程。两个线程会试图分别从内存池中获得
- * 内存块
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-static rt_uint8_t *ptr[48];
-static rt_uint8_t mempool[4096];
-static struct rt_mempool mp;
-
-/* 指向线程控制块的指针 */
-static rt_thread_t tid1 = RT_NULL;
-static rt_thread_t tid2 = RT_NULL;
-
-/* 线程1入口 */
-static void thread1_entry(void* parameter)
-{
-    int i;
-    char *block;
-
-    while(1)
-    {
-        for (i = 0; i < 48; i++)
-        {
-            /* 申请内存块 */
-            rt_kprintf("allocate No.%d\n", i);
-            if (ptr[i] == RT_NULL)
-            {
-                ptr[i] = rt_mp_alloc(&mp, RT_WAITING_FOREVER);
-            }
-        }
-
-        /* 继续申请一个内存块，因为已经没有内存块，线程应该被挂起 */
-        block = rt_mp_alloc(&mp, RT_WAITING_FOREVER);
-        rt_kprintf("allocate the block mem\n");
-        /* 释放这个内存块 */
-        rt_mp_free(block);
-        block = RT_NULL;
-    }
-}
-
-/* 线程2入口，线程2的优先级比线程1低，应该线程1先获得执行。*/
-static void thread2_entry(void *parameter)
-{
-    int i;
-
-    while(1)
-    {
-        rt_kprintf("try to release block\n");
-
-        for (i = 0 ; i < 48; i ++)
-        {
-            /* 释放所有分配成功的内存块 */
-            if (ptr[i] != RT_NULL)
-            {
-                rt_kprintf("release block %d\n", i);
-
-                rt_mp_free(ptr[i]);
-                ptr[i] = RT_NULL;
-            }
-        }
-
-        /* 休眠10个OS Tick */
-        rt_thread_delay(10);
-    }
-}
-
-int mempool_simple_init()
-{
-    int i;
-    for (i = 0; i < 48; i ++) ptr[i] = RT_NULL;
-
-    /* 初始化内存池对象 */
-    rt_mp_init(&mp, "mp1", &mempool[0], sizeof(mempool), 80);
-
-    /* 创建线程1 */
-    tid1 = rt_thread_create("t1",
-                            thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */
-                            THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid1 != RT_NULL)
-        rt_thread_startup(tid1);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 创建线程2 */
-    tid2 = rt_thread_create("t2",
-                            thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
-                            THREAD_STACK_SIZE, THREAD_PRIORITY + 1, THREAD_TIMESLICE);
-    if (tid2 != RT_NULL)
-        rt_thread_startup(tid2);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 删除线程 */
-    if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid1);
-    if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid2);
-
-    /* 执行内存池脱离 */
-    rt_mp_detach(&mp);
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_mempool_simple()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-    mempool_simple_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 100;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_mempool_simple, a memory pool example);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    mempool_simple_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/messageq_simple.c b/examples/kernel/messageq_simple.c
deleted file mode 100644
index 90bed7dd82..0000000000
--- a/examples/kernel/messageq_simple.c
+++ /dev/null
@@ -1,176 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：消息队列例程
- *
- * 这个程序会创建3个动态线程，一个线程会从消息队列中收取消息；一个线程会定时给消
- * 息队列发送消息；一个线程会定时给消息队列发送紧急消息。
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 指向线程控制块的指针 */
-static rt_thread_t tid1 = RT_NULL;
-static rt_thread_t tid2 = RT_NULL;
-static rt_thread_t tid3 = RT_NULL;
-
-/* 消息队列控制块 */
-static struct rt_messagequeue mq;
-/* 消息队列中用到的放置消息的内存池 */
-static char msg_pool[2048];
-
-/* 线程1入口函数 */
-static void thread1_entry(void* parameter)
-{
-    char buf[128];
-
-    while (1)
-    {
-        rt_memset(&buf[0], 0, sizeof(buf));
-
-        /* 从消息队列中接收消息 */
-        if (rt_mq_recv(&mq, &buf[0], sizeof(buf), RT_WAITING_FOREVER) == RT_EOK)
-        {
-            rt_kprintf("thread1: recv msg from message queue, the content:%s\n", buf);
-        }
-
-        /* 延迟10个OS Tick */
-        rt_thread_delay(10);
-    }
-}
-
-/* 线程2入口函数 */
-static void thread2_entry(void* parameter)
-{
-    int i, result;
-    char buf[] = "this is message No.x";
-
-    while (1)
-    {
-        for (i = 0; i < 10; i++)
-        {
-            buf[sizeof(buf) - 2] = '0' + i;
-
-            rt_kprintf("thread2: send message - %s\n", buf);
-            /* 发送消息到消息队列中 */
-            result = rt_mq_send(&mq, &buf[0], sizeof(buf));
-            if ( result == -RT_EFULL)
-            {
-                /* 消息队列满， 延迟1s时间 */
-                rt_kprintf("message queue full, delay 1s\n");
-                rt_thread_delay(100);
-            }
-        }
-
-        /* 延时10个OS Tick */
-        rt_thread_delay(10);
-    }
-}
-
-/* 线程3入口函数 */
-static void thread3_entry(void* parameter)
-{
-    char buf[] = "this is an urgent message!";
-
-    while (1)
-    {
-        rt_kprintf("thread3: send an urgent message\n");
-
-        /* 发送紧急消息到消息队列中 */
-        rt_mq_urgent(&mq, &buf[0], sizeof(buf));
-
-        /* 延时25个OS Tick */
-        rt_thread_delay(25);
-    }
-}
-
-int messageq_simple_init()
-{
-    /* 初始化消息队列 */
-    rt_mq_init(&mq, "mqt",
-               &msg_pool[0],        /* 内存池指向msg_pool */
-               128 - sizeof(void*), /* 每个消息的大小是 128 - void* */
-               sizeof(msg_pool),    /* 内存池的大小是msg_pool的大小 */
-               RT_IPC_FLAG_PRIO);   /* 如果有多个线程等待，按照优先级由高到低的方法分配消息 */
-
-    /* 创建线程1 */
-    tid1 = rt_thread_create("t1",
-                            thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */
-                            THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid1 != RT_NULL)
-        rt_thread_startup(tid1);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 创建线程2 */
-    tid2 = rt_thread_create("t2",
-                            thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
-                            THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid2 != RT_NULL)
-        rt_thread_startup(tid2);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 创建线程3 */
-    tid3 = rt_thread_create("t3",
-                            thread3_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
-                            THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid3 != RT_NULL)
-        rt_thread_startup(tid3);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 删除线程 */
-    if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid1);
-    if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid2);
-    if (tid3 != RT_NULL && tid3->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid3);
-
-    /* 执行消息队列对象脱离 */
-    rt_mq_detach(&mq);
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_messageq_simple()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-    messageq_simple_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 100;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_messageq_simple, a simple message queue example);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    messageq_simple_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/mutex_priority.c b/examples/kernel/mutex_priority.c
deleted file mode 100755
index a7702eed6f..0000000000
--- a/examples/kernel/mutex_priority.c
+++ /dev/null
@@ -1,434 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 创建7个进程，tid20、tid21、tid22、tid23、tid24、tid25、tid26、tid27、tid28、tid29
- * 各任务优先级分别为20、21、22、23、24、25、26、27、28、29，
- * 其中tid26最先获得锁，tid22不需要使用到互斥锁，其他所有进程均需要使用互斥锁，
- * 通过各个进程的打印信息，观察各个进程获取到互斥锁后，优先级变化情况
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-static rt_thread_t tid20 = RT_NULL;
-static rt_thread_t tid21 = RT_NULL;
-static rt_thread_t tid22 = RT_NULL;
-static rt_thread_t tid23 = RT_NULL;
-static rt_thread_t tid24 = RT_NULL;
-static rt_thread_t tid25 = RT_NULL;
-static rt_thread_t tid26 = RT_NULL;
-static rt_thread_t tid27 = RT_NULL;
-static rt_thread_t tid28 = RT_NULL;
-static rt_thread_t tid29 = RT_NULL;
-
-static rt_mutex_t mutex = RT_NULL;
-
-static void thread20_entry(void* parameter)
-{
-    rt_err_t result;
-    rt_tick_t tick;
-
-    rt_kprintf("[%d] thread20 run!\n", rt_tick_get());
-    rt_thread_delay(30);
-    rt_kprintf("[%d] thread20 wake!\n", rt_tick_get());
-
-    result = rt_mutex_take(mutex, RT_WAITING_FOREVER);
-    if (result != RT_EOK)
-    {
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-    }
-    rt_kprintf("[%d] thread20 take!\n", rt_tick_get());
-
-    tick = rt_tick_get();
-    while (rt_tick_get() - tick < 5)
-    {
-        rt_kprintf("[%d] thread20, init_priority=%d, current_priority=%d\n",
-                rt_tick_get(), tid20->init_priority, tid20->current_priority);
-    }
-    rt_mutex_release(mutex);
-    rt_kprintf("[%d] thread20 exit!\n", rt_tick_get());
-}
-
-static void thread21_entry(void* parameter)
-{
-    rt_err_t result;
-    rt_tick_t tick;
-    rt_kprintf("[%d] thread21 run!\n", rt_tick_get());
-    rt_thread_delay(25);
-    rt_kprintf("[%d] thread21 wake!\n", rt_tick_get());
-
-    result = rt_mutex_take(mutex, RT_WAITING_FOREVER);
-    if (result != RT_EOK)
-    {
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-    }
-    rt_kprintf("[%d] thread21 take!\n", rt_tick_get());
-
-    tick = rt_tick_get();
-    while (rt_tick_get() - tick < 5)
-    {
-        rt_kprintf("[%d] thread21, init_priority=%d, current_priority=%d\n",
-                rt_tick_get(), tid21->init_priority, tid21->current_priority);
-    }
-    rt_mutex_release(mutex);
-    rt_kprintf("[%d] thread21 exit!\n", rt_tick_get());
-
-}
-
-static void thread22_entry(void* parameter)
-{
-    rt_tick_t tick;
-
-    rt_kprintf("[%d] thread22 run!\n", rt_tick_get());
-    rt_thread_delay(20);
-    rt_kprintf("[%d] thread22 wake!\n", rt_tick_get());
-
-    tick = rt_tick_get();
-    while (rt_tick_get() - tick < 100)
-    {
-        rt_kprintf("[%d] thread22 running..., init_priority=%d, current_priority=%d\n",
-                rt_tick_get(), tid22->init_priority, tid22->current_priority);
-        rt_thread_delay(2);
-    }
-    rt_kprintf("[%d] thread22 exit!\n", rt_tick_get());
-}
-
-static void thread23_entry(void* parameter)
-{
-    rt_err_t result;
-    rt_tick_t tick;
-    rt_kprintf("[%d] thread23 run!\n", rt_tick_get());
-    rt_thread_delay(15);
-    rt_kprintf("[%d] thread23 wake!\n", rt_tick_get());
-
-    result = rt_mutex_take(mutex, RT_WAITING_FOREVER);
-    if (result != RT_EOK)
-    {
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-    }
-    rt_kprintf("[%d] thread23 take!\n", rt_tick_get());
-
-    tick = rt_tick_get();
-    while (rt_tick_get() - tick < 5)
-    {
-        rt_kprintf("[%d] thread23, init_priority=%d, current_priority=%d\n",
-                rt_tick_get(), tid23->init_priority, tid23->current_priority);
-    }
-    rt_mutex_release(mutex);
-    rt_kprintf("[%d] thread23 exit!\n", rt_tick_get());
-}
-
-static void thread24_entry(void* parameter)
-{
-    rt_err_t result;
-    rt_tick_t tick;
-
-    rt_kprintf("[%d] thread24 run!\n", rt_tick_get());
-    rt_thread_delay(10);
-    rt_kprintf("[%d] thread24 wake!\n", rt_tick_get());
-
-    result = rt_mutex_take(mutex, RT_WAITING_FOREVER);
-    if (result != RT_EOK)
-    {
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-    }
-    rt_kprintf("[%d] thread24 take!\n", rt_tick_get());
-
-    tick = rt_tick_get();
-    while (rt_tick_get() - tick < 5)
-    {
-        rt_kprintf("[%d] thread24, init_priority=%d, current_priority=%d\n",
-                rt_tick_get(), tid24->init_priority, tid24->current_priority);
-    }
-    rt_mutex_release(mutex);
-    rt_kprintf("[%d] thread24 exit!\n", rt_tick_get());
-}
-
-static void thread25_entry(void* parameter)
-{
-    rt_err_t result;
-    rt_tick_t tick;
-    rt_kprintf("[%d] thread25 run!\n", rt_tick_get());
-    rt_thread_delay(5);
-    rt_kprintf("[%d] thread25 wake!\n", rt_tick_get());
-
-    result = rt_mutex_take(mutex, RT_WAITING_FOREVER);
-    if (result != RT_EOK)
-    {
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-    }
-    rt_kprintf("[%d] thread25 take!\n", rt_tick_get());
-
-    tick = rt_tick_get();
-    while (rt_tick_get() - tick < 5)
-    {
-        rt_kprintf("[%d] thread25, init_priority=%d, current_priority=%d\n",
-                rt_tick_get(), tid25->init_priority, tid25->current_priority);
-    }
-    rt_mutex_release(mutex);
-    rt_kprintf("[%d] thread25 exit!\n", rt_tick_get());
-}
-
-static void thread26_entry(void* parameter)
-{
-    rt_tick_t tick;
-    rt_err_t result;
-
-    rt_kprintf("[%d] thread26 run!\n", rt_tick_get());
-
-    result = rt_mutex_take(mutex, RT_WAITING_FOREVER);
-    if (result != RT_EOK)
-    {
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-    }
-    rt_kprintf("[%d] thread26 take!\n", rt_tick_get());
-
-    tick = rt_tick_get();
-    while (rt_tick_get() - tick < 50)
-    {
-        rt_kprintf("[%d] thread26, init_priority=%d, current_priority=%d\n",
-                rt_tick_get(), tid26->init_priority, tid26->current_priority);
-        rt_thread_delay(1);
-    }
-    rt_mutex_release(mutex);
-    rt_kprintf("[%d] thread26 exit!\n", rt_tick_get());
-}
-
-static void thread27_entry(void* parameter)
-{
-    rt_tick_t tick;
-    rt_err_t result;
-
-    rt_kprintf("[%d] thread27 run!\n", rt_tick_get());
-    rt_thread_delay(35);
-    rt_kprintf("[%d] thread27 wake!\n", rt_tick_get());
-
-    result = rt_mutex_take(mutex, RT_WAITING_FOREVER);
-    if (result != RT_EOK)
-    {
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-    }
-    rt_kprintf("[%d] thread27 take!\n", rt_tick_get());
-
-    tick = rt_tick_get();
-    while (rt_tick_get() - tick < 5)
-    {
-        rt_kprintf("[%d] thread27, init_priority=%d, current_priority=%d\n",
-                rt_tick_get(), tid27->init_priority, tid27->current_priority);
-    }
-    rt_mutex_release(mutex);
-    rt_kprintf("[%d] thread27 exit!\n", rt_tick_get());
-}
-
-static void thread28_entry(void* parameter)
-{
-    rt_tick_t tick;
-    rt_err_t result;
-
-    rt_kprintf("[%d] thread28 run!\n", rt_tick_get());
-    rt_thread_delay(40);
-    rt_kprintf("[%d] thread28 wake!\n", rt_tick_get());
-
-    result = rt_mutex_take(mutex, RT_WAITING_FOREVER);
-    if (result != RT_EOK)
-    {
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-    }
-    rt_kprintf("[%d] thread28 take!\n", rt_tick_get());
-
-    tick = rt_tick_get();
-    while (rt_tick_get() - tick < 5)
-    {
-        rt_kprintf("[%d] thread28, init_priority=%d, current_priority=%d\n",
-                rt_tick_get(), tid28->init_priority, tid28->current_priority);
-    }
-    rt_mutex_release(mutex);
-    rt_kprintf("[%d] thread28 exit!\n", rt_tick_get());
-}
-
-static void thread29_entry(void* parameter)
-{
-    rt_tick_t tick;
-    rt_err_t result;
-
-    rt_kprintf("[%d] thread29 run!\n", rt_tick_get());
-    rt_thread_delay(45);
-    rt_kprintf("[%d] thread29 wake!\n", rt_tick_get());
-
-    result = rt_mutex_take(mutex, RT_WAITING_FOREVER);
-    if (result != RT_EOK)
-    {
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-    }
-    rt_kprintf("[%d] thread29 take!\n", rt_tick_get());
-
-    tick = rt_tick_get();
-    while (rt_tick_get() - tick < 5)
-    {
-        rt_kprintf("[%d] thread29, init_priority=%d, current_priority=%d\n",
-                rt_tick_get(), tid29->init_priority, tid29->current_priority);
-    }
-    rt_mutex_release(mutex);
-    rt_kprintf("[%d] thread29 exit!\n", rt_tick_get());
-}
-
-static int mutex_simple_init()
-{
-    /* 创建互斥锁 */
-    mutex = rt_mutex_create("mutex", RT_IPC_FLAG_PRIO);
-    if (mutex == RT_NULL)
-    {
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-        return 0;
-    }
-
-    tid29 = rt_thread_create("t29",
-                            thread29_entry, RT_NULL,
-                            THREAD_STACK_SIZE, 29, THREAD_TIMESLICE);
-    if (tid29 != RT_NULL)
-        rt_thread_startup(tid29);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    tid28 = rt_thread_create("t28",
-                            thread28_entry, RT_NULL,
-                            THREAD_STACK_SIZE, 28, THREAD_TIMESLICE);
-    if (tid28 != RT_NULL)
-        rt_thread_startup(tid28);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    tid27 = rt_thread_create("t27",
-                            thread27_entry, RT_NULL,
-                            THREAD_STACK_SIZE, 27, THREAD_TIMESLICE);
-    if (tid27 != RT_NULL)
-        rt_thread_startup(tid27);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    tid26 = rt_thread_create("t26",
-                            thread26_entry, RT_NULL,
-                            THREAD_STACK_SIZE, 26, THREAD_TIMESLICE);
-    if (tid26 != RT_NULL)
-        rt_thread_startup(tid26);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    tid25 = rt_thread_create("t25",
-                            thread25_entry, RT_NULL,
-                            THREAD_STACK_SIZE, 25, THREAD_TIMESLICE);
-    if (tid25 != RT_NULL)
-        rt_thread_startup(tid25);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    tid24 = rt_thread_create("t24",
-                            thread24_entry, RT_NULL,
-                            THREAD_STACK_SIZE, 24, THREAD_TIMESLICE);
-    if (tid24 != RT_NULL)
-        rt_thread_startup(tid24);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    tid23 = rt_thread_create("t23",
-                            thread23_entry, RT_NULL,
-                            THREAD_STACK_SIZE, 23, THREAD_TIMESLICE);
-    if (tid23 != RT_NULL)
-        rt_thread_startup(tid23);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    tid22 = rt_thread_create("t22",
-                            thread22_entry, RT_NULL,
-                            THREAD_STACK_SIZE, 22, THREAD_TIMESLICE);
-    if (tid22 != RT_NULL)
-        rt_thread_startup(tid22);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    tid21 = rt_thread_create("t21",
-                            thread21_entry, RT_NULL,
-                            THREAD_STACK_SIZE, 21, THREAD_TIMESLICE);
-    if (tid21 != RT_NULL)
-        rt_thread_startup(tid21);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    tid20 = rt_thread_create("t20",
-                            thread20_entry, RT_NULL,
-                            THREAD_STACK_SIZE, 20, THREAD_TIMESLICE);
-    if (tid20 != RT_NULL)
-        rt_thread_startup(tid20);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 删除线程 */
-    if (tid20 != RT_NULL && tid20->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid20);
-    if (tid21 != RT_NULL && tid21->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid21);
-    if (tid22 != RT_NULL && tid22->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid22);
-    if (tid23 != RT_NULL && tid23->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid23);
-    if (tid24 != RT_NULL && tid24->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid24);
-    if (tid25 != RT_NULL && tid25->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid25);
-    if (tid26 != RT_NULL && tid26->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid26);
-    if (tid27 != RT_NULL && tid27->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid27);
-    if (tid28 != RT_NULL && tid28->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid28);
-    if (tid29 != RT_NULL && tid29->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid29);
-
-    if (mutex != RT_NULL)
-    {
-        rt_mutex_delete(mutex);
-    }
-    rt_kprintf("test_done!\n");
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_mutex_priority()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-    mutex_simple_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 100;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_mutex_priority, a priority rollover example of mutex);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    mutex_simple_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/mutex_simple.c b/examples/kernel/mutex_simple.c
deleted file mode 100644
index ee875cca7d..0000000000
--- a/examples/kernel/mutex_simple.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 指向线程控制块的指针 */
-static rt_thread_t tid1 = RT_NULL;
-static rt_thread_t tid2 = RT_NULL;
-static rt_thread_t tid3 = RT_NULL;
-static rt_mutex_t mutex = RT_NULL;
-
-/* 线程1入口 */
-static void thread1_entry(void* parameter)
-{
-    /* 先让低优先级线程运行 */
-    rt_thread_delay(10);
-
-    /* 此时thread3持有mutex，并且thread2等待持有mutex */
-
-    /* 检查thread2与thread3的优先级情况 */
-    if (tid2->current_priority != tid3->current_priority)
-    {
-        /* 优先级不相同，测试失败 */
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-        return;
-    }
-}
-
-/* 线程2入口 */
-static void thread2_entry(void* parameter)
-{
-    rt_err_t result;
-
-    /* 先让低优先级线程运行 */
-    rt_thread_delay(5);
-
-    while (1)
-    {
-        /*
-         * 试图持有互斥锁，此时thread3持有，应把thread3的优先级提升到thread2相同
-         * 的优先级
-         */
-        result = rt_mutex_take(mutex, RT_WAITING_FOREVER);
-
-        if (result == RT_EOK)
-        {
-            /* 释放互斥锁 */
-            rt_mutex_release(mutex);
-        }
-    }
-}
-
-/* 线程3入口 */
-static void thread3_entry(void* parameter)
-{
-    rt_tick_t tick;
-    rt_err_t result;
-
-    while (1)
-    {
-        result = rt_mutex_take(mutex, RT_WAITING_FOREVER);
-        if (result != RT_EOK)
-        {
-            tc_stat(TC_STAT_END | TC_STAT_FAILED);
-        }
-        result = rt_mutex_take(mutex, RT_WAITING_FOREVER);
-        if (result != RT_EOK)
-        {
-            tc_stat(TC_STAT_END | TC_STAT_FAILED);
-        }
-
-        /* 做一个长时间的循环，总共50个OS Tick */
-        tick = rt_tick_get();
-        while (rt_tick_get() - tick < 50) ;
-
-        rt_mutex_release(mutex);
-        rt_mutex_release(mutex);
-    }
-}
-
-int mutex_simple_init()
-{
-    /* 创建互斥锁 */
-    mutex = rt_mutex_create("mutex", RT_IPC_FLAG_PRIO);
-    if (mutex == RT_NULL)
-    {
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-        return 0;
-    }
-
-    /* 创建线程1 */
-    tid1 = rt_thread_create("t1",
-                            thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */
-                            THREAD_STACK_SIZE, THREAD_PRIORITY - 1, THREAD_TIMESLICE);
-    if (tid1 != RT_NULL)
-        rt_thread_startup(tid1);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 创建线程2 */
-    tid2 = rt_thread_create("t2",
-                            thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
-                            THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid2 != RT_NULL)
-        rt_thread_startup(tid2);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 创建线程3 */
-    tid3 = rt_thread_create("t3",
-                            thread3_entry, RT_NULL, /* 线程入口是thread3_entry, 入口参数是RT_NULL */
-                            THREAD_STACK_SIZE, THREAD_PRIORITY + 1, THREAD_TIMESLICE);
-    if (tid3 != RT_NULL)
-        rt_thread_startup(tid3);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 删除线程 */
-    if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid1);
-    if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid2);
-    if (tid3 != RT_NULL && tid3->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid3);
-
-    if (mutex != RT_NULL)
-    {
-        rt_mutex_delete(mutex);
-    }
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_mutex_simple()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-    mutex_simple_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 100;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_mutex_simple, sime mutex example);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    mutex_simple_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/semaphore_buffer_worker.c b/examples/kernel/semaphore_buffer_worker.c
deleted file mode 100644
index bd5a488460..0000000000
--- a/examples/kernel/semaphore_buffer_worker.c
+++ /dev/null
@@ -1,282 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：信号量实现生产者消费者间的互斥
- *
- * 在这个程序中，会创建两个线程，一个是生成者线程worker一个是消费者线程thread
- *
- * 在数据信息生产、消费的过程中，worker负责把数据将写入到环形buffer中，而thread
- * 则从环形buffer中读出。
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 一个环形buffer的实现 */
-struct rb
-{
-    rt_uint16_t read_index, write_index;
-    rt_uint8_t *buffer_ptr;
-    rt_uint16_t buffer_size;
-};
-
-/* 指向信号量控制块的指针 */
-static rt_sem_t sem = RT_NULL;
-/* 指向线程控制块的指针 */
-static rt_thread_t tid = RT_NULL, worker = RT_NULL;
-
-/* 环形buffer的内存块（用数组体现出来） */
-#define BUFFER_SIZE        256
-#define BUFFER_ITEM        32
-static rt_uint8_t working_buffer[BUFFER_SIZE];
-struct rb working_rb;
-
-/* 初始化环形buffer，size指的是buffer的大小。注：这里并没对数据地址对齐做处理 */
-static void rb_init(struct rb* rb, rt_uint8_t *pool, rt_uint16_t size)
-{
-    RT_ASSERT(rb != RT_NULL);
-
-    /* 对读写指针清零*/
-    rb->read_index = rb->write_index = 0;
-
-    /* 设置环形buffer的内存数据块 */
-    rb->buffer_ptr = pool;
-    rb->buffer_size = size;
-}
-
-/* 向环形buffer中写入数据 */
-static rt_bool_t rb_put(struct rb* rb, const rt_uint8_t *ptr, rt_uint16_t length)
-{
-    rt_size_t size;
-
-    /* 判断是否有足够的剩余空间 */
-    if (rb->read_index > rb->write_index)
-        size = rb->read_index - rb->write_index;
-    else
-        size = rb->buffer_size - rb->write_index + rb->read_index;
-
-    /* 没有多余的空间 */
-    if (size < length) return RT_FALSE;
-
-    if (rb->read_index > rb->write_index)
-    {
-        /* read_index - write_index 即为总的空余空间 */
-        memcpy(&rb->buffer_ptr[rb->write_index], ptr, length);
-        rb->write_index += length;
-    }
-    else
-    {
-        if (rb->buffer_size - rb->write_index > length)
-        {
-            /* write_index 后面剩余的空间有足够的长度 */
-            memcpy(&rb->buffer_ptr[rb->write_index], ptr, length);
-            rb->write_index += length;
-        }
-        else
-        {
-            /*
-             * write_index 后面剩余的空间不存在足够的长度，需要把部分数据复制到
-             * 前面的剩余空间中
-             */
-            memcpy(&rb->buffer_ptr[rb->write_index], ptr,
-                   rb->buffer_size - rb->write_index);
-            memcpy(&rb->buffer_ptr[0], &ptr[rb->buffer_size - rb->write_index],
-                   length - (rb->buffer_size - rb->write_index));
-            rb->write_index = length - (rb->buffer_size - rb->write_index);
-        }
-    }
-
-    return RT_TRUE;
-}
-
-/* 从环形buffer中读出数据 */
-static rt_bool_t rb_get(struct rb* rb, rt_uint8_t *ptr, rt_uint16_t length)
-{
-    rt_size_t size;
-
-    /* 判断是否有足够的数据 */
-    if (rb->read_index > rb->write_index)
-        size = rb->buffer_size - rb->read_index + rb->write_index;
-    else
-        size = rb->write_index - rb->read_index;
-
-    /* 没有足够的数据 */
-    if (size < length) return RT_FALSE;
-
-    if (rb->read_index > rb->write_index)
-    {
-        if (rb->buffer_size - rb->read_index > length)
-        {
-            /* read_index的数据足够多，直接复制 */
-            memcpy(ptr, &rb->buffer_ptr[rb->read_index], length);
-            rb->read_index += length;
-        }
-        else
-        {
-            /* read_index的数据不够，需要分段复制 */
-            memcpy(ptr, &rb->buffer_ptr[rb->read_index],
-                   rb->buffer_size - rb->read_index);
-            memcpy(&ptr[rb->buffer_size - rb->read_index], &rb->buffer_ptr[0],
-                   length - rb->buffer_size + rb->read_index);
-            rb->read_index = length - rb->buffer_size + rb->read_index;
-        }
-    }
-    else
-    {
-        /*
-         * read_index要比write_index小，总的数据量够（前面已经有总数据量的判
-         * 断），直接复制出数据。
-         */
-        memcpy(ptr, &rb->buffer_ptr[rb->read_index], length);
-        rb->read_index += length;
-    }
-
-    return RT_TRUE;
-}
-
-/* 生产者线程入口 */
-static void thread_entry(void* parameter)
-{
-    rt_bool_t result;
-    rt_uint8_t data_buffer[BUFFER_ITEM + 1];
-
-    while (1)
-    {
-        /* 持有信号量 */
-        rt_sem_take(sem, RT_WAITING_FOREVER);
-        /* 从环buffer中获得数据 */
-        result = rb_get(&working_rb, &data_buffer[0], BUFFER_ITEM);
-        /* 释放信号量 */
-        rt_sem_release(sem);
-        data_buffer[BUFFER_ITEM] = '\0';
-
-        if (result == RT_TRUE)
-        {
-            /* 获取数据成功，打印数据 */
-            rt_kprintf("%s\n", data_buffer);
-        }
-
-        /* 做一个5 OS Tick的休眠 */
-        rt_thread_delay(5);
-    }
-}
-
-/* worker线程入口 */
-static void worker_entry(void* parameter)
-{
-    rt_bool_t result;
-    rt_uint32_t index, setchar;
-    rt_uint8_t  data_buffer[BUFFER_ITEM];
-
-    setchar = 0x21;
-    while (1)
-    {
-        /* 构造数据 */
-        for(index = 0; index < BUFFER_ITEM; index++)
-        {
-            data_buffer[index] = setchar;
-            if (++setchar == 0x7f)
-                setchar = 0x21;
-        }
-
-        /* 持有信号量 */
-        rt_sem_take(sem, RT_WAITING_FOREVER);
-
-        /* 把数据放到环形buffer中 */
-        result = rb_put(&working_rb, &data_buffer[0], BUFFER_ITEM);
-        if (result == RT_FALSE)
-        {
-            rt_kprintf("put error\n");
-        }
-
-        /* 释放信号量 */
-        rt_sem_release(sem);
-
-        /* 放入成功，做一个10 OS Tick的休眠 */
-        rt_thread_delay(10);
-    }
-}
-
-int semaphore_buffer_worker_init()
-{
-    /* 初始化ring buffer */
-    rb_init(&working_rb, working_buffer, BUFFER_SIZE);
-
-    /* 创建信号量 */
-    sem = rt_sem_create("sem", 1, RT_IPC_FLAG_PRIO);
-    if (sem == RT_NULL)
-    {
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-        return 0;
-    }
-
-    /* 创建线程1 */
-    tid = rt_thread_create("thread",
-                           thread_entry, RT_NULL, /* 线程入口是thread_entry, 入口参数是RT_NULL */
-                           THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid != RT_NULL)
-        rt_thread_startup(tid);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 创建线程2 */
-    worker = rt_thread_create("worker",
-                              worker_entry, RT_NULL, /* 线程入口是worker_entry, 入口参数是RT_NULL */
-                              THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (worker != RT_NULL)
-        rt_thread_startup(worker);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 删除信号量 */
-    if (sem != RT_NULL)
-        rt_sem_delete(sem);
-
-    /* 删除线程 */
-    if (tid != RT_NULL && tid->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid);
-    if (worker != RT_NULL && worker->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(worker);
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_semaphore_buffer_worker()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-    semaphore_buffer_worker_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 100;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_semaphore_buffer_worker, a buffer worker with semaphore example);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    semaphore_buffer_worker_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/semaphore_dynamic.c b/examples/kernel/semaphore_dynamic.c
deleted file mode 100644
index dacdf10c37..0000000000
--- a/examples/kernel/semaphore_dynamic.c
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：动态信号量
- *
- * 这个例子中将创建一个动态信号量（初始值为0 ）及一个动态线程，在这个动态线程中
- * 将试图采用超时方式去持有信号量，应该超时返回。然后这个线程释放一次信号量，并
- * 在后面继续采用永久等待方式去持有信号量， 成功获得信号量后返回。
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 指向线程控制块的指针 */
-static rt_thread_t tid = RT_NULL;
-/* 指向信号量的指针 */
-static rt_sem_t sem = RT_NULL;
-/* 线程入口 */
-static void thread_entry(void* parameter)
-{
-    rt_err_t result;
-    rt_tick_t tick;
-
-    /* 获得当前的OS Tick */
-    tick = rt_tick_get();
-
-    /* 试图持有一个信号量，如果10个OS Tick依然没拿到，则超时返回 */
-    result = rt_sem_take(sem, 10);
-    if (result == -RT_ETIMEOUT)
-    {
-        rt_tick_t new_tick = rt_tick_get();
-        /* 可以有两个 tick 的误差 */
-        if (new_tick - tick >= 12)
-        {
-            rt_kprintf("tick error to large: expect: 10, get %d\n",
-                       new_tick - tick);
-
-            /* 如果失败，则测试失败 */
-            tc_done(TC_STAT_FAILED);
-            rt_sem_delete(sem);
-            return;
-        }
-        rt_kprintf("take semaphore timeout\n");
-    }
-    else
-    {
-        /* 因为并没释放信号量，应该是超时返回，否则测试失败 */
-        tc_done(TC_STAT_FAILED);
-        rt_sem_delete(sem);
-        return;
-    }
-
-    /* 释放一次信号量 */
-    rt_sem_release(sem);
-
-    /* 继续持有信号量，并永远等待直到持有到信号量 */
-    result = rt_sem_take(sem, RT_WAITING_FOREVER);
-    if (result != RT_EOK)
-    {
-        /* 返回不正确，测试失败 */
-        tc_done(TC_STAT_FAILED);
-        rt_sem_delete(sem);
-        return;
-    }
-
-    /* 测试成功 */
-    tc_done(TC_STAT_PASSED);
-    /* 删除信号量 */
-    rt_sem_delete(sem);
-}
-
-int semaphore_dynamic_init()
-{
-    /* 创建一个信号量，初始值是0 */
-    sem = rt_sem_create("sem", 0, RT_IPC_FLAG_PRIO);
-    if (sem == RT_NULL)
-    {
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-        return 0;
-    }
-
-    /* 创建线程 */
-    tid = rt_thread_create("thread",
-                           thread_entry, RT_NULL, /* 线程入口是thread_entry, 入口参数是RT_NULL */
-                           THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid != RT_NULL)
-        rt_thread_startup(tid);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    if (sem)
-    {
-        rt_sem_delete(sem);
-        sem = RT_NULL;
-    }
-
-    /* 删除线程 */
-    if (tid != RT_NULL && tid->stat != RT_THREAD_CLOSE)
-    {
-        rt_thread_delete(tid);
-    }
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_semaphore_dynamic()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-    semaphore_dynamic_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 100;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_semaphore_dynamic, a dynamic semaphore example);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    semaphore_dynamic_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/semaphore_priority.c b/examples/kernel/semaphore_priority.c
deleted file mode 100644
index 7e37a826cb..0000000000
--- a/examples/kernel/semaphore_priority.c
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-#include <rtthread.h>
-#include "tc_comm.h"
-
-static rt_sem_t sem;
-static rt_uint8_t t1_count, t2_count;
-static rt_thread_t t1, t2, worker;
-static void thread1_entry(void* parameter)
-{
-    rt_err_t result;
-
-    while (1)
-    {
-        result = rt_sem_take(sem, RT_WAITING_FOREVER);
-        if (result != RT_EOK)
-        {
-            tc_done(TC_STAT_FAILED);
-            return;
-        }
-
-        t1_count ++;
-        rt_kprintf("thread1: got semaphore, count: %d\n", t1_count);
-    }
-}
-
-static void thread2_entry(void* parameter)
-{
-    rt_err_t result;
-
-    while (1)
-    {
-        result = rt_sem_take(sem, RT_WAITING_FOREVER);
-        if (result != RT_EOK)
-        {
-            tc_done(TC_STAT_FAILED);
-            return;
-        }
-
-        t2_count ++;
-        rt_kprintf("thread2: got semaphore, count: %d\n", t2_count);
-    }
-}
-
-static void worker_thread_entry(void* parameter)
-{
-    rt_thread_delay(10);
-
-    while (1)
-    {
-        rt_sem_release(sem);
-        rt_thread_delay(5);
-    }
-}
-
-int semaphore_priority_init()
-{
-    sem = rt_sem_create("sem", 0, RT_IPC_FLAG_PRIO);
-    if (sem == RT_NULL)
-    {
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-        return 0;
-    }
-
-    t1_count = t2_count = 0;
-
-    t1 = rt_thread_create("t1",
-                          thread1_entry, RT_NULL,
-                          THREAD_STACK_SIZE, THREAD_PRIORITY + 1, THREAD_TIMESLICE);
-    if (t1 != RT_NULL)
-        rt_thread_startup(t1);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    t2 = rt_thread_create("t2",
-                          thread2_entry, RT_NULL,
-                          THREAD_STACK_SIZE, THREAD_PRIORITY - 1, THREAD_TIMESLICE);
-    if (t2 != RT_NULL)
-        rt_thread_startup(t2);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    worker = rt_thread_create("worker",
-                              worker_thread_entry, RT_NULL,
-                              THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (worker != RT_NULL)
-        rt_thread_startup(worker);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* lock scheduler */
-    rt_enter_critical();
-
-    /* delete t1, t2 and worker thread */
-    rt_thread_delete(t1);
-    rt_thread_delete(t2);
-    rt_thread_delete(worker);
-
-    if (sem)
-    {
-        rt_sem_delete(sem);
-        sem = RT_NULL;
-    }
-
-    if (t1_count > t2_count)
-        tc_done(TC_STAT_FAILED);
-    else
-        tc_done(TC_STAT_PASSED);
-
-    /* unlock scheduler */
-    rt_exit_critical();
-}
-
-int _tc_semaphore_priority()
-{
-    /* set tc cleanup */
-    tc_cleanup(_tc_cleanup);
-    semaphore_priority_init();
-
-    return 50;
-}
-FINSH_FUNCTION_EXPORT(_tc_semaphore_priority, a priority semaphore test);
-#else
-int rt_application_init()
-{
-    semaphore_priority_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/semaphore_producer_consumer.c b/examples/kernel/semaphore_producer_consumer.c
deleted file mode 100644
index 4d9eb24e44..0000000000
--- a/examples/kernel/semaphore_producer_consumer.c
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：生产者消费者例子
- *
- * 这个例子中将创建两个线程用于实现生产者消费者问题
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 定义最大5个元素能够被产生 */
-#define MAXSEM 5
-
-/* 用于放置生产的整数数组 */
-rt_uint32_t array[MAXSEM];
-/* 指向生产者、消费者在array数组中的读写位置 */
-static rt_uint32_t set, get;
-
-/* 指向线程控制块的指针 */
-static rt_thread_t producer_tid = RT_NULL;
-static rt_thread_t consumer_tid = RT_NULL;
-
-struct rt_semaphore sem_lock;
-struct rt_semaphore sem_empty, sem_full;
-
-/* 生成者线程入口 */
-void producer_thread_entry(void* parameter)
-{
-    int cnt = 0;
-
-    /* 运行100次 */
-    while( cnt < 100)
-    {
-        /* 获取一个空位 */
-        rt_sem_take(&sem_empty, RT_WAITING_FOREVER);
-
-        /* 修改array内容，上锁 */
-        rt_sem_take(&sem_lock, RT_WAITING_FOREVER);
-        array[set%MAXSEM] = cnt + 1;
-        rt_kprintf("the producer generates a number: %d\n", array[set%MAXSEM]);
-        set++;
-        rt_sem_release(&sem_lock);
-
-        /* 发布一个满位 */
-        rt_sem_release(&sem_full);
-        cnt++;
-
-        /* 暂停一段时间 */
-        rt_thread_delay(50);
-    }
-
-    rt_kprintf("the producer exit!\n");
-}
-
-/* 消费者线程入口 */
-void consumer_thread_entry(void* parameter)
-{
-    rt_uint32_t no;
-    rt_uint32_t sum;
-
-    /* 第n个线程，由入口参数传进来 */
-    no = (rt_uint32_t)parameter;
-
-    sum = 0;
-    while(1)
-    {
-        /* 获取一个满位 */
-        rt_sem_take(&sem_full, RT_WAITING_FOREVER);
-
-        /* 临界区，上锁进行操作 */
-        rt_sem_take(&sem_lock, RT_WAITING_FOREVER);
-        sum += array[get%MAXSEM];
-        rt_kprintf("the consumer[%d] get a number: %d\n", no, array[get%MAXSEM] );
-        get++;
-        rt_sem_release(&sem_lock);
-
-        /* 释放一个空位 */
-        rt_sem_release(&sem_empty);
-
-        /* 生产者生产到100个数目，停止，消费者线程相应停止 */
-        if (get == 100) break;
-
-        /* 暂停一小会时间 */
-        rt_thread_delay(10);
-    }
-
-    rt_kprintf("the consumer[%d] sum is %d \n ", no, sum);
-    rt_kprintf("the consumer[%d] exit!\n");
-}
-
-int semaphore_producer_consumer_init()
-{
-    /* 初始化3个信号量 */
-    rt_sem_init(&sem_lock , "lock",     1,      RT_IPC_FLAG_PRIO);
-    rt_sem_init(&sem_empty, "empty",    MAXSEM, RT_IPC_FLAG_PRIO);
-    rt_sem_init(&sem_full , "full",     0,      RT_IPC_FLAG_PRIO);
-
-    /* 创建线程1 */
-    producer_tid = rt_thread_create("producer",
-                                    producer_thread_entry, RT_NULL, /* 线程入口是producer_thread_entry, 入口参数是RT_NULL */
-                                    THREAD_STACK_SIZE, THREAD_PRIORITY - 1, THREAD_TIMESLICE);
-    if (producer_tid != RT_NULL)
-        rt_thread_startup(producer_tid);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 创建线程2 */
-    consumer_tid = rt_thread_create("consumer",
-                                    consumer_thread_entry, RT_NULL, /* 线程入口是consumer_thread_entry, 入口参数是RT_NULL */
-                                    THREAD_STACK_SIZE, THREAD_PRIORITY + 1, THREAD_TIMESLICE);
-    if (consumer_tid != RT_NULL)
-        rt_thread_startup(consumer_tid);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    rt_sem_detach(&sem_lock);
-    rt_sem_detach(&sem_empty);
-    rt_sem_detach(&sem_full);
-
-    /* 删除线程 */
-    if (producer_tid != RT_NULL && producer_tid->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(producer_tid);
-    if (consumer_tid != RT_NULL && consumer_tid->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(consumer_tid);
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_semaphore_producer_consumer()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-    semaphore_producer_consumer_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 100;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_semaphore_producer_consumer, producer and consumer example);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    semaphore_producer_consumer_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/semaphore_static.c b/examples/kernel/semaphore_static.c
deleted file mode 100644
index 16b043db9c..0000000000
--- a/examples/kernel/semaphore_static.c
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：静态信号量
- *
- * 这个例子中将创建一个静态信号量（初始值为0 ）及一个静态线程，在这个静态线程中
- * 将试图采用超时方式去持有信号量，应该超时返回。然后这个线程释放一次信号量，并
- * 在后面继续采用永久等待方式去持有信号量， 成功获得信号量后返回。
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 线程控制块及栈 */
-static struct rt_thread thread;
-static rt_uint8_t thread_stack[THREAD_STACK_SIZE];
-/* 信号量控制块 */
-static struct rt_semaphore sem;
-
-/* 线程入口 */
-static void thread_entry(void* parameter)
-{
-    rt_err_t result;
-    rt_tick_t tick;
-
-    /* 获得当前的OS Tick */
-    tick = rt_tick_get();
-
-    /* 试图持有信号量，最大等待10个OS Tick后返回 */
-    result = rt_sem_take(&sem, 10);
-    if (result == -RT_ETIMEOUT)
-    {
-        rt_tick_t new_tick = rt_tick_get();
-        /* 可以有两个 tick 的误差 */
-        if (new_tick - tick >= 12)
-        {
-            rt_kprintf("tick error to large: expect: 10, get %d\n",
-                       new_tick - tick);
-
-            tc_done(TC_STAT_FAILED);
-            rt_sem_detach(&sem);
-            return;
-        }
-        rt_kprintf("take semaphore timeout\n");
-    }
-    else
-    {
-        /* 因为没有其他地方是否信号量，所以不应该成功持有信号量，否则测试失败 */
-        tc_done(TC_STAT_FAILED);
-        rt_sem_detach(&sem);
-        return;
-    }
-
-    /* 释放一次信号量 */
-    rt_sem_release(&sem);
-
-    /* 永久等待方式持有信号量 */
-    result = rt_sem_take(&sem, RT_WAITING_FOREVER);
-    if (result != RT_EOK)
-    {
-        /* 不成功则测试失败 */
-        tc_done(TC_STAT_FAILED);
-        rt_sem_detach(&sem);
-        return;
-    }
-
-    /* 测试通过 */
-    tc_done(TC_STAT_PASSED);
-    /* 脱离信号量对象 */
-    rt_sem_detach(&sem);
-}
-
-int semaphore_static_init(void)
-{
-    rt_err_t result;
-
-    /* 初始化信号量，初始值是0 */
-    result = rt_sem_init(&sem, "sem", 0, RT_IPC_FLAG_PRIO);
-    if (result != RT_EOK)
-    {
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-        return 0;
-    }
-
-    /* 初始化线程1 */
-    result = rt_thread_init(&thread, "thread", /* 线程名：thread */
-                            thread_entry, RT_NULL, /* 线程的入口是thread_entry，入口参数是RT_NULL*/
-                            &thread_stack[0], sizeof(thread_stack), /* 线程栈是thread_stack */
-                            THREAD_PRIORITY, 10);
-    if (result == RT_EOK) /* 如果返回正确，启动线程1 */
-        rt_thread_startup(&thread);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup(void)
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 执行线程脱离 */
-    if (thread.stat != RT_THREAD_CLOSE)
-    {
-        rt_thread_detach(&thread);
-
-        /* 执行信号量对象脱离 */
-        rt_sem_detach(&sem);
-    }
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_semaphore_static(void)
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-    semaphore_static_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 100;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_semaphore_static, a static semaphore example);
-#else
-/* 用户应用入口 */
-int rt_application_init(void)
-{
-    semaphore_static_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/tc_comm.c b/examples/kernel/tc_comm.c
deleted file mode 100644
index 0a43ca3855..0000000000
--- a/examples/kernel/tc_comm.c
+++ /dev/null
@@ -1,206 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-#include "tc_comm.h"
-#ifdef RT_USING_FINSH
-#include <finsh.h>
-#endif
-
-#ifdef RT_USING_TC
-#define TC_PRIORITY        25
-#define TC_STACK_SIZE    0x400
-
-static rt_uint8_t _tc_stat;
-static struct rt_semaphore _tc_sem;
-static struct rt_thread _tc_thread;
-static rt_uint8_t _tc_stack[TC_STACK_SIZE];
-static char _tc_prefix[64];
-static const char* _tc_current;
-static void (*_tc_cleanup)(void) = RT_NULL;
-
-static rt_uint32_t _tc_scale = 1;
-
-static rt_uint32_t _tc_loop;
-
-void tc_thread_entry(void* parameter)
-{
-    unsigned int fail_count = 0;
-    struct finsh_syscall* index;
-
-    /* create tc semaphore */
-    rt_sem_init(&_tc_sem, "tc", 0, RT_IPC_FLAG_PRIO);
-
-    do {
-        for (index = _syscall_table_begin; index < _syscall_table_end; FINSH_NEXT_SYSCALL(index))
-        {
-            /* search testcase */
-            if (rt_strstr(index->name, _tc_prefix) == index->name)
-            {
-                long tick;
-
-                _tc_current = index->name + 4;
-                rt_kprintf("Run TestCase: %s\n", _tc_current);
-                _tc_stat = TC_STAT_PASSED | TC_STAT_RUNNING;
-                tick = index->func();
-                if (tick > 0)
-                {
-                    /* Make sure we are going to be blocked. */
-                    rt_sem_control(&_tc_sem, RT_IPC_CMD_RESET, 0);
-                    rt_sem_take(&_tc_sem, tick * _tc_scale);
-                }
-
-                if (_tc_cleanup != RT_NULL)
-                {
-                    /* perform testcase cleanup */
-                    _tc_cleanup();
-                    _tc_cleanup = RT_NULL;
-                }
-
-                if (_tc_stat & TC_STAT_RUNNING)
-                {
-                    rt_kprintf("TestCase[%s] exit with stat TC_STAT_RUNNING."
-                               " Please fix the TC.\n",
-                               _tc_current);
-                    /* If the TC forgot to clear the flag, we do it. */
-                    _tc_stat &= ~TC_STAT_RUNNING;
-                }
-
-                if (_tc_stat & TC_STAT_FAILED)
-                {
-                    rt_kprintf("TestCase[%s] failed\n", _tc_current);
-                    fail_count++;
-                }
-                else
-                {
-                    rt_kprintf("TestCase[%s] passed\n", _tc_current);
-                }
-            }
-        }
-    } while (_tc_loop);
-
-    rt_kprintf("RT-Thread TestCase Running Done!\n");
-    if (fail_count)
-    {
-        rt_kprintf("%d tests failed\n", fail_count);
-    }
-    else
-    {
-        rt_kprintf("All tests passed\n");
-    }
-    /* detach tc semaphore */
-    rt_sem_detach(&_tc_sem);
-}
-
-void tc_stop()
-{
-    _tc_loop = 0;
-
-    rt_thread_delay(10 * RT_TICK_PER_SECOND);
-    if (_tc_thread.stat != RT_THREAD_INIT)
-    {
-        /* lock scheduler */
-        rt_enter_critical();
-
-        /* detach old tc thread */
-        rt_thread_detach(&_tc_thread);
-        rt_sem_detach(&_tc_sem);
-
-        /* unlock scheduler */
-        rt_exit_critical();
-    }
-    rt_thread_delay(RT_TICK_PER_SECOND/2);
-}
-FINSH_FUNCTION_EXPORT(tc_stop, stop testcase thread);
-
-void tc_done(rt_uint8_t stat)
-{
-    _tc_stat |= stat;
-    _tc_stat &= ~TC_STAT_RUNNING;
-
-    /* release semaphore */
-    rt_sem_release(&_tc_sem);
-}
-
-void tc_stat(rt_uint8_t stat)
-{
-    if (stat & TC_STAT_FAILED)
-    {
-        rt_kprintf("TestCases[%s] failed\n", _tc_current);
-    }
-    _tc_stat |= stat;
-}
-
-void tc_cleanup(void (*cleanup)())
-{
-    _tc_cleanup = cleanup;
-}
-
-void tc_start(const char* tc_prefix)
-{
-    rt_err_t result;
-
-    /* tesecase prefix is null */
-    if (tc_prefix == RT_NULL)
-    {
-        rt_kprintf("TestCase Usage: tc_start(prefix)\n\n");
-        rt_kprintf("list_tc() can list all testcases.\n");
-        return ;
-    }
-
-    /* init tc thread */
-    if (_tc_stat & TC_STAT_RUNNING)
-    {
-        /* stop old tc thread */
-        tc_stop();
-    }
-
-    rt_memset(_tc_prefix, 0, sizeof(_tc_prefix));
-    rt_snprintf(_tc_prefix, sizeof(_tc_prefix), "_tc_%s", tc_prefix);
-
-    result = rt_thread_init(&_tc_thread, "tc",
-                            tc_thread_entry, RT_NULL,
-                            &_tc_stack[0], sizeof(_tc_stack),
-                            TC_PRIORITY - 3, 5);
-
-    /* set tc stat */
-    _tc_stat = TC_STAT_RUNNING | TC_STAT_FAILED;
-
-    if (result == RT_EOK)
-        rt_thread_startup(&_tc_thread);
-}
-FINSH_FUNCTION_EXPORT(tc_start, start testcase with testcase prefix or name);
-
-void tc_loop(const char *tc_prefix)
-{
-    _tc_loop = 1;
-    tc_start(tc_prefix);
-}
-FINSH_FUNCTION_EXPORT(tc_loop, start testcase with testcase prefix or name in loop mode);
-
-void list_tc()
-{
-    struct finsh_syscall* index;
-
-    rt_kprintf("TestCases List:\n");
-    for (index = _syscall_table_begin; index < _syscall_table_end; FINSH_NEXT_SYSCALL(index))
-    {
-        /* search testcase */
-        if (rt_strstr(index->name, "_tc_") == index->name)
-        {
-#ifdef FINSH_USING_DESCRIPTION
-            rt_kprintf("%-16s -- %s\n", index->name + 4, index->desc);
-#else
-            rt_kprintf("%s\n", index->name + 4);
-#endif
-        }
-    }
-}
-FINSH_FUNCTION_EXPORT(list_tc, list all testcases);
-#endif
-
diff --git a/examples/kernel/tc_comm.h b/examples/kernel/tc_comm.h
deleted file mode 100644
index 17dd8eb924..0000000000
--- a/examples/kernel/tc_comm.h
+++ /dev/null
@@ -1,52 +0,0 @@
-
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-#ifndef __TC_COMM_H__
-#define __TC_COMM_H__
-
-/*
- * RT-Thread TestCase
- *
- */
-#include <rtthread.h>
-#ifdef RT_USING_FINSH
-#include <finsh.h>
-#endif
-
-#if RT_THREAD_PRIORITY_MAX == 8
-#define THREAD_PRIORITY        6
-#elif RT_THREAD_PRIORITY_MAX == 32
-#define THREAD_PRIORITY        25
-#elif RT_THREAD_PRIORITY_MAX == 256
-#define THREAD_PRIORITY        200
-#endif
-#define THREAD_STACK_SIZE    512
-#define THREAD_TIMESLICE    5
-
-#define TC_STAT_END        0x00
-#define TC_STAT_RUNNING    0x01
-#define TC_STAT_FAILED    0x10
-#define TC_STAT_PASSED    0x00
-
-#ifdef RT_USING_TC
-void tc_start(const char* tc_prefix);
-void tc_stop(void);
-void tc_done(rt_uint8_t state);
-void tc_stat(rt_uint8_t state);
-void tc_cleanup(void (*cleanup)(void));
-#else
-#define tc_start(x)
-#define tc_stop()
-#define tc_done(s)
-#define tc_stat(s)
-#define tc_cleanup(c)
-#endif
-
-#endif
-
diff --git a/examples/kernel/tc_sample.c b/examples/kernel/tc_sample.c
deleted file mode 100644
index 272edc0e39..0000000000
--- a/examples/kernel/tc_sample.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-#include <rtthread.h>
-#include "tc_comm.h"
-
-static rt_thread_t tid = RT_NULL;
-static void sample_thread(void* parameter)
-{
-    rt_kprintf("I'm sample!\n");
-}
-static void sample_thread_cleanup(struct rt_thread *p)
-{
-    tid = RT_NULL;
-    tc_done(TC_STAT_PASSED);
-}
-
-int sample_init()
-{
-    tid = rt_thread_create("t",
-        sample_thread, RT_NULL,
-        THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid != RT_NULL)
-    {
-        rt_thread_startup(tid);
-        tid->cleanup = sample_thread_cleanup;
-    }
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* lock scheduler */
-    rt_enter_critical();
-    /* delete thread */
-    if (tid != RT_NULL)
-    {
-        rt_kprintf("tid1 is bad\n");
-        tc_stat(TC_STAT_FAILED);
-    }
-    /* unlock scheduler */
-    rt_exit_critical();
-}
-
-int _tc_sample()
-{
-    /* set tc cleanup */
-    tc_cleanup(_tc_cleanup);
-    sample_init();
-
-    return 25;
-}
-FINSH_FUNCTION_EXPORT(_tc_sample, a thread testcase example);
-#else
-int rt_application_init()
-{
-    sample_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/thread_delay.c b/examples/kernel/thread_delay.c
deleted file mode 100644
index 50740e2c8f..0000000000
--- a/examples/kernel/thread_delay.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/*
- * This is an example for delay thread
- */
-static struct rt_thread thread;
-static char thread_stack[THREAD_STACK_SIZE];
-static void thread_entry(void* parameter)
-{
-    rt_tick_t tick;
-    rt_kprintf("thread inited ok\n");
-
-    rt_kprintf("thread delay 10 tick\n");
-    tick = rt_tick_get();
-    rt_thread_delay(10);
-    if (rt_tick_get() - tick > 11)
-    {
-        tc_done(TC_STAT_FAILED);
-        return;
-    }
-
-    rt_kprintf("thread delay 15 tick\n");
-    tick = rt_tick_get();
-    rt_thread_delay(15);
-    if (rt_tick_get() - tick > 16)
-    {
-        tc_done(TC_STAT_FAILED);
-        return;
-    }
-
-    rt_kprintf("thread exit\n");
-
-    tc_done(TC_STAT_PASSED);
-}
-
-rt_err_t thread_delay_init()
-{
-    rt_err_t result;
-
-    result = rt_thread_init(&thread,
-        "test",
-        thread_entry, RT_NULL,
-        &thread_stack[0], sizeof(thread_stack),
-        THREAD_PRIORITY, 10);
-
-    if (result == RT_EOK)
-        rt_thread_startup(&thread);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return result;
-}
-
-#ifdef RT_USING_TC
-int _tc_thread_delay()
-{
-    thread_delay_init();
-
-    return 30;
-}
-FINSH_FUNCTION_EXPORT(_tc_thread_delay, a thread delay test);
-#else
-int rt_application_init()
-{
-    thread_delay_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/thread_delete.c b/examples/kernel/thread_delete.c
deleted file mode 100644
index 924a823f35..0000000000
--- a/examples/kernel/thread_delete.c
+++ /dev/null
@@ -1,151 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：删除线程
- *
- * 这个例子会创建两个线程，在一个线程中删除另外一个线程。
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/*
- * 线程删除(rt_thread_delete)函数仅适合于动态线程，为了在一个线程
- * 中访问另一个线程的控制块，所以把线程块指针声明成全局类型以供全
- * 局访问
- */
-static rt_thread_t tid1 = RT_NULL, tid2 = RT_NULL;
-/* 线程1的入口函数 */
-static void thread1_entry(void* parameter)
-{
-    rt_uint32_t count = 0;
-
-    while (1)
-    {
-        /* 线程1采用低优先级运行，一直打印计数值 */
-        // rt_kprintf("thread count: %d\n", count ++);
-        count ++;
-    }
-}
-static void thread1_cleanup(struct rt_thread *tid)
-{
-    if (tid != tid1)
-    {
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-        return ;
-    }
-    rt_kprintf("thread1 end\n");
-    tid1 = RT_NULL;
-}
-
-/* 线程2的入口函数 */
-static void thread2_entry(void* parameter)
-{
-    /* 线程2拥有较高的优先级，以抢占线程1而获得执行 */
-
-    /* 线程2启动后先睡眠10个OS Tick */
-    rt_thread_delay(RT_TICK_PER_SECOND);
-
-    /*
-     * 线程2唤醒后直接删除线程1，删除线程1后，线程1自动脱离就绪线程
-     * 队列
-     */
-    rt_thread_delete(tid1);
-
-    /*
-     * 线程2继续休眠10个OS Tick然后退出，线程2休眠后应切换到idle线程
-     * idle线程将执行真正的线程1控制块和线程栈的删除
-     */
-    rt_thread_delay(RT_TICK_PER_SECOND);
-}
-
-static void thread2_cleanup(struct rt_thread *tid)
-{
-    /*
-     * 线程2运行结束后也将自动被删除(线程控制块和线程栈在idle线
-     * 程中释放)
-     */
-
-    if (tid != tid2)
-    {
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-        return ;
-    }
-    rt_kprintf("thread2 end\n");
-    tid2 = RT_NULL;
-    tc_done(TC_STAT_PASSED);
-}
-
-/* 线程删除示例的初始化 */
-int thread_delete_init()
-{
-    /* 创建线程1 */
-    tid1 = rt_thread_create("t1", /* 线程1的名称是t1 */
-        thread1_entry, RT_NULL,   /* 入口是thread1_entry，参数是RT_NULL */
-        THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid1 != RT_NULL) /* 如果获得线程控制块，启动这个线程 */
-    {
-        tid1->cleanup = thread1_cleanup;
-        rt_thread_startup(tid1);
-    }
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 创建线程1 */
-    tid2 = rt_thread_create("t2", /* 线程1的名称是t2 */
-        thread2_entry, RT_NULL,   /* 入口是thread2_entry，参数是RT_NULL */
-        THREAD_STACK_SIZE, THREAD_PRIORITY - 1, THREAD_TIMESLICE);
-    if (tid2 != RT_NULL) /* 如果获得线程控制块，启动这个线程 */
-    {
-        tid2->cleanup = thread2_cleanup;
-        rt_thread_startup(tid2);
-    }
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 10 * RT_TICK_PER_SECOND;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* lock scheduler */
-    rt_enter_critical();
-
-    /* delete thread */
-    if (tid1 != RT_NULL)
-    {
-        rt_kprintf("tid1 is %p, should be NULL\n", tid1);
-        tc_stat(TC_STAT_FAILED);
-    }
-    if (tid2 != RT_NULL)
-    {
-        rt_kprintf("tid2 is %p, should be NULL\n", tid2);
-        tc_stat(TC_STAT_FAILED);
-    }
-
-    /* unlock scheduler */
-    rt_exit_critical();
-}
-
-int _tc_thread_delete()
-{
-    /* set tc cleanup */
-    tc_cleanup(_tc_cleanup);
-    return thread_delete_init();
-}
-FINSH_FUNCTION_EXPORT(_tc_thread_delete, a thread delete example);
-#else
-int rt_application_init()
-{
-    thread_delete_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/thread_detach.c b/examples/kernel/thread_detach.c
deleted file mode 100644
index d0d72d017b..0000000000
--- a/examples/kernel/thread_detach.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：线程脱离
- *
- * 这个例子会创建两个线程，在其中一个线程中执行对另一个线程的脱离。
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 线程1控制块 */
-static struct rt_thread thread1;
-/* 线程1栈 */
-static rt_uint8_t thread1_stack[THREAD_STACK_SIZE];
-/* 线程2控制块 */
-static struct rt_thread thread2;
-/* 线程2栈 */
-static rt_uint8_t thread2_stack[THREAD_STACK_SIZE];
-
-/* 线程1入口 */
-static void thread1_entry(void* parameter)
-{
-    rt_uint32_t count = 0;
-
-    while (1)
-    {
-        /* 线程1采用低优先级运行，一直打印计数值 */
-        rt_kprintf("thread count: %d\n", count ++);
-    }
-}
-
-/* 线程2入口 */
-static void thread2_entry(void* parameter)
-{
-    /* 线程2拥有较高的优先级，以抢占线程1而获得执行 */
-
-    /* 线程2启动后先睡眠10个OS Tick */
-    rt_thread_delay(10);
-
-    /*
-     * 线程2唤醒后直接执行线程1脱离，线程1将从就绪线程队列中删除
-     */
-    rt_thread_detach(&thread1);
-
-    /*
-     * 线程2继续休眠10个OS Tick然后退出
-     */
-    rt_thread_delay(10);
-
-    /*
-     * 线程2运行结束后也将自动被从就绪队列中删除，并脱离线程队列
-     */
-}
-
-int thread_detach_init()
-{
-    rt_err_t result;
-
-    /* 初始化线程1 */
-    result = rt_thread_init(&thread1, "t1", /* 线程名：t1 */
-        thread1_entry, RT_NULL, /* 线程的入口是thread1_entry，入口参数是RT_NULL*/
-        &thread1_stack[0], sizeof(thread1_stack), /* 线程栈是thread1_stack */
-        THREAD_PRIORITY, 10);
-    if (result == RT_EOK) /* 如果返回正确，启动线程1 */
-        rt_thread_startup(&thread1);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 初始化线程2 */
-    result = rt_thread_init(&thread2, "t2", /* 线程名：t2 */
-        thread2_entry, RT_NULL, /* 线程的入口是thread2_entry，入口参数是RT_NULL*/
-        &thread2_stack[0], sizeof(thread2_stack), /* 线程栈是thread2_stack */
-        THREAD_PRIORITY - 1, 10);
-    if (result == RT_EOK) /* 如果返回正确，启动线程2 */
-        rt_thread_startup(&thread2);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 执行线程脱离 */
-    if (thread1.stat != RT_THREAD_CLOSE)
-        rt_thread_detach(&thread1);
-    if (thread2.stat != RT_THREAD_CLOSE)
-        rt_thread_detach(&thread2);
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_thread_detach()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-    thread_detach_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 25;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_thread_detach, a static thread example);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    thread_detach_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/thread_dynamic.c b/examples/kernel/thread_dynamic.c
deleted file mode 100644
index 35c67c02fc..0000000000
--- a/examples/kernel/thread_dynamic.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-#include <rtthread.h>
-#include "tc_comm.h"
-
-static void thread_entry(void* parameter)
-{
-    rt_kprintf("thread dynamicly created ok\n");
-    rt_thread_delay(10);
-    rt_kprintf("thread exit\n");
-
-    tc_done(TC_STAT_PASSED);
-}
-
-int thread_dynamic_init()
-{
-    rt_thread_t tid;
-
-    tid = rt_thread_create("test",
-        thread_entry, RT_NULL,
-        THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid != RT_NULL)
-        rt_thread_startup(tid);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-int _tc_thread_dynamic()
-{
-    thread_dynamic_init();
-
-    return 20;
-}
-FINSH_FUNCTION_EXPORT(_tc_thread_dynamic, a dynamic thread test);
-#else
-int rt_application_init()
-{
-    thread_dynamic_init();
-
-    return 0;
-}
-#endif
-
diff --git a/examples/kernel/thread_dynamic_simple.c b/examples/kernel/thread_dynamic_simple.c
deleted file mode 100644
index dc378a6696..0000000000
--- a/examples/kernel/thread_dynamic_simple.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：动态线程
- *
- * 这个程序会初始化2个动态线程，它们拥有共同的入口函数，但参数不相同
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 指向线程控制块的指针 */
-static rt_thread_t tid1 = RT_NULL;
-static rt_thread_t tid2 = RT_NULL;
-/* 线程入口 */
-static void thread_entry(void* parameter)
-{
-    rt_uint32_t count = 0;
-    rt_uint32_t no = (rt_uint32_t) parameter; /* 获得正确的入口参数 */
-
-    while (1)
-    {
-        /* 打印线程计数值输出 */
-        rt_kprintf("thread%d count: %d\n", no, count ++);
-
-        /* 休眠10个OS Tick */
-        rt_thread_delay(10);
-    }
-}
-
-int thread_dynamic_simple_init()
-{
-    /* 创建线程1 */
-    tid1 = rt_thread_create("t1",
-        thread_entry, (void*)1, /* 线程入口是thread_entry, 入口参数是1 */
-        THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid1 != RT_NULL)
-        rt_thread_startup(tid1);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 创建线程2 */
-    tid2 = rt_thread_create("t2",
-        thread_entry, (void*)2, /* 线程入口是thread_entry, 入口参数是2 */
-        THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid2 != RT_NULL)
-        rt_thread_startup(tid2);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 删除线程 */
-    if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid1);
-    if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid2);
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_thread_dynamic_simple()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-    thread_dynamic_simple_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 100;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_thread_dynamic_simple, a dynamic thread example);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    thread_dynamic_simple_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/thread_priority.c b/examples/kernel/thread_priority.c
deleted file mode 100644
index abf45bbe07..0000000000
--- a/examples/kernel/thread_priority.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-#include <rtthread.h>
-#include "tc_comm.h"
-
-struct rt_thread thread1;
-struct rt_thread thread2;
-static char thread1_stack[THREAD_STACK_SIZE];
-static char thread2_stack[THREAD_STACK_SIZE];
-static rt_uint32_t count = 0;
-
-/*
- * the priority of thread1 > the priority of thread2
- */
-static void thread1_entry(void* parameter)
-{
-    while (1)
-    {
-        count ++;
-        rt_kprintf("count = %d\n", count);
-
-        rt_thread_delay(10);
-    }
-}
-
-static void thread2_entry(void* parameter)
-{
-    rt_tick_t tick;
-
-    tick = rt_tick_get();
-    while (1)
-    {
-        if (rt_tick_get() - tick >= 50)
-        {
-            if (count == 0)
-                tc_done(TC_STAT_FAILED);
-            else
-                tc_done(TC_STAT_PASSED);
-
-            break;
-        }
-    }
-}
-
-int thread_priority_init()
-{
-    rt_err_t result;
-
-    result = rt_thread_init(&thread1,
-                            "t1",
-                            thread1_entry, RT_NULL,
-                            &thread1_stack[0], sizeof(thread1_stack),
-                            THREAD_PRIORITY - 1, THREAD_TIMESLICE);
-
-    if (result == RT_EOK)
-        rt_thread_startup(&thread1);
-    else
-        tc_stat(TC_STAT_FAILED);
-
-    rt_thread_init(&thread2,
-                   "t2",
-                   thread2_entry, RT_NULL,
-                   &thread2_stack[0], sizeof(thread2_stack),
-                   THREAD_PRIORITY + 1, THREAD_TIMESLICE);
-
-    if (result == RT_EOK)
-        rt_thread_startup(&thread2);
-    else
-        tc_stat(TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* lock scheduler */
-    rt_enter_critical();
-
-    if (thread1.stat != RT_THREAD_CLOSE)
-        rt_thread_detach(&thread1);
-    if (thread2.stat != RT_THREAD_CLOSE)
-        rt_thread_detach(&thread2);
-
-    /* unlock scheduler */
-    rt_exit_critical();
-}
-int _tc_thread_priority()
-{
-    count = 0;
-
-    /* set tc cleanup */
-    tc_cleanup(_tc_cleanup);
-    thread_priority_init();
-
-    return RT_TICK_PER_SECOND;
-}
-FINSH_FUNCTION_EXPORT(_tc_thread_priority, a priority thread test);
-#else
-int rt_application_init()
-{
-    thread_priority_init();
-
-    return 0;
-}
-#endif
-
diff --git a/examples/kernel/thread_resume.c b/examples/kernel/thread_resume.c
deleted file mode 100644
index e776466326..0000000000
--- a/examples/kernel/thread_resume.c
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：唤醒线程
- *
- * 这个例子中将创建两个动态线程，低优先级线程将挂起自身，然后
- * 高优先级线程将在一定时刻后唤醒低优先级线程。
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 指向线程控制块的指针 */
-static rt_thread_t tid1 = RT_NULL;
-static rt_thread_t tid2 = RT_NULL;
-/* 线程1入口 */
-static void thread1_entry(void* parameter)
-{
-    /* 低优先级线程1开始运行 */
-    rt_kprintf("thread1 startup%d\n");
-
-    /* 挂起自身 */
-    rt_kprintf("suspend thread self\n");
-    rt_thread_suspend(tid1);
-    /* 主动执行线程调度 */
-    rt_schedule();
-
-    /* 当线程1被唤醒时 */
-    rt_kprintf("thread1 resumed\n");
-}
-static void thread_cleanup(rt_thread_t tid)
-{
-    if (tid == tid1)
-    {
-        tid1 = RT_NULL;
-    }
-    if (tid == tid2)
-    {
-        tid = RT_NULL;
-    }
-}
-
-/* 线程2入口 */
-static void thread2_entry(void* parameter)
-{
-    /* 延时10个OS Tick */
-    rt_thread_delay(10);
-
-    /* 唤醒线程1 */
-    rt_thread_resume(tid1);
-    rt_kprintf("thread2: to resume thread1\n");
-
-    /* 延时10个OS Tick */
-    rt_thread_delay(10);
-
-    /* 线程2自动退出 */
-}
-
-int thread_resume_init()
-{
-    /* 创建线程1 */
-    tid1 = rt_thread_create("thread",
-        thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */
-        THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid1 != RT_NULL)
-    {
-        tid1->cleanup = thread_cleanup;
-        rt_thread_startup(tid1);
-    }
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 创建线程2 */
-    tid2 = rt_thread_create("thread",
-        thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
-        THREAD_STACK_SIZE, THREAD_PRIORITY - 1, THREAD_TIMESLICE);
-    if (tid2 != RT_NULL)
-    {
-        tid2->cleanup = thread_cleanup;
-        rt_thread_startup(tid2);
-    }
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 删除线程 */
-    if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid1);
-    if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid2);
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_thread_resume()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-    thread_resume_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 25;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_thread_resume, a thread resume example);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    thread_resume_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/thread_same_priority.c b/examples/kernel/thread_same_priority.c
deleted file mode 100644
index a238e24932..0000000000
--- a/examples/kernel/thread_same_priority.c
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-#include <rtthread.h>
-#include "tc_comm.h"
-
-static struct rt_thread thread1;
-static struct rt_thread thread2;
-static char thread1_stack[THREAD_STACK_SIZE];
-static char thread2_stack[THREAD_STACK_SIZE];
-
-volatile static rt_uint32_t t1_count = 0;
-volatile static rt_uint32_t t2_count = 0;
-static void thread1_entry(void* parameter)
-{
-    while (1)
-    {
-        t1_count ++;
-    }
-}
-
-static void thread2_entry(void* parameter)
-{
-    while (1)
-    {
-        t2_count ++;
-    }
-}
-
-rt_err_t thread_same_priority_init()
-{
-    rt_err_t result;
-
-    result = rt_thread_init(&thread1,
-        "t1",
-        thread1_entry, RT_NULL,
-        &thread1_stack[0], sizeof(thread1_stack),
-        THREAD_PRIORITY, 10);
-    if (result == RT_EOK)
-        rt_thread_startup(&thread1);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    result = rt_thread_init(&thread2,
-        "t2",
-        thread2_entry, RT_NULL,
-        &thread2_stack[0], sizeof(thread2_stack),
-        THREAD_PRIORITY, 5);
-    if (result == RT_EOK)
-        rt_thread_startup(&thread2);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return result;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* lock scheduler */
-    rt_enter_critical();
-
-    if (thread1.stat != RT_THREAD_CLOSE)
-        rt_thread_detach(&thread1);
-    if (thread2.stat != RT_THREAD_CLOSE)
-        rt_thread_detach(&thread2);
-
-    /* unlock scheduler */
-    rt_exit_critical();
-
-    rt_kprintf("t1_count=%d t2_count=%d\n",t1_count,t2_count);
-
-    if (t1_count / t2_count != 2)
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-    else
-        tc_done(TC_STAT_PASSED);
-}
-
-int _tc_thread_same_priority()
-{
-    t1_count = 0;
-    t2_count = 0;
-
-    /* set tc cleanup */
-    tc_cleanup(_tc_cleanup);
-
-    thread_same_priority_init();
-
-    return 100;
-}
-FINSH_FUNCTION_EXPORT(_tc_thread_same_priority, a same priority thread test);
-#else
-int rt_application_init()
-{
-    thread_same_priority_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/thread_static.c b/examples/kernel/thread_static.c
deleted file mode 100644
index 9234255679..0000000000
--- a/examples/kernel/thread_static.c
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/*
- * This is an example for static thread
- */
-static struct rt_thread thread;
-static char thread_stack[THREAD_STACK_SIZE];
-static void thread_entry(void* parameter)
-{
-    rt_kprintf("thread staticly inited ok\n");
-    rt_thread_delay(10);
-    rt_kprintf("thread exit\n");
-
-    tc_done(TC_STAT_PASSED);
-}
-
-rt_err_t thread_static_init()
-{
-    rt_err_t result;
-
-    result = rt_thread_init(&thread,
-        "test",
-        thread_entry, RT_NULL,
-        &thread_stack[0], sizeof(thread_stack),
-        THREAD_PRIORITY, 10);
-
-    if (result == RT_EOK)
-        rt_thread_startup(&thread);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return result;
-}
-
-#ifdef RT_USING_TC
-int _tc_thread_static()
-{
-    thread_static_init();
-
-    return 20;
-}
-FINSH_FUNCTION_EXPORT(_tc_thread_static, a static thread test);
-#else
-int rt_application_init()
-{
-    thread_static_init();
-
-    return 0;
-}
-#endif
-
diff --git a/examples/kernel/thread_static_simple.c b/examples/kernel/thread_static_simple.c
deleted file mode 100644
index e0021d2c5f..0000000000
--- a/examples/kernel/thread_static_simple.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：静态线程
- *
- * 这个程序会初始化2个静态线程，它们拥有共同的入口函数，但参数不相同
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 线程1控制块 */
-static struct rt_thread thread1;
-/* 线程1栈 */
-static rt_uint8_t thread1_stack[THREAD_STACK_SIZE];
-/* 线程2控制块 */
-static struct rt_thread thread2;
-/* 线程2栈 */
-static rt_uint8_t thread2_stack[THREAD_STACK_SIZE];
-
-/* 线程入口 */
-static void thread_entry(void* parameter)
-{
-    rt_uint32_t count = 0;
-    rt_uint32_t no = (rt_uint32_t) parameter; /* 获得正确的入口参数 */
-
-    while (1)
-    {
-        /* 打印线程计数值输出 */
-        rt_kprintf("thread%d count: %d\n", no, count ++);
-
-        /* 休眠10个OS Tick */
-        rt_thread_delay(10);
-    }
-}
-
-int thread_static_simple_init()
-{
-    rt_err_t result;
-
-    /* 初始化线程1 */
-    result = rt_thread_init(&thread1, "t1", /* 线程名：t1 */
-        thread_entry, (void*)1, /* 线程的入口是thread_entry，入口参数是1 */
-        &thread1_stack[0], sizeof(thread1_stack), /* 线程栈是thread1_stack */
-        THREAD_PRIORITY, 10);
-    if (result == RT_EOK) /* 如果返回正确，启动线程1 */
-        rt_thread_startup(&thread1);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 初始化线程2 */
-    result = rt_thread_init(&thread2, "t2", /* 线程名：t2 */
-        thread_entry, RT_NULL, /* 线程的入口是thread_entry，入口参数是2 */
-        &thread2_stack[0], sizeof(thread2_stack), /* 线程栈是thread2_stack */
-        THREAD_PRIORITY + 1, 10);
-    if (result == RT_EOK) /* 如果返回正确，启动线程2 */
-        rt_thread_startup(&thread2);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 执行线程脱离 */
-    if (thread1.stat != RT_THREAD_CLOSE)
-        rt_thread_detach(&thread1);
-    if (thread2.stat != RT_THREAD_CLOSE)
-        rt_thread_detach(&thread2);
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_thread_static_simple()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-    thread_static_simple_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 100;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_thread_static_simple, a static thread example);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    thread_static_simple_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/thread_suspend.c b/examples/kernel/thread_suspend.c
deleted file mode 100644
index 2219c7b8d6..0000000000
--- a/examples/kernel/thread_suspend.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：挂起线程
- *
- * 这个例子中将创建两个动态线程，高优先级线程将在一定时刻后挂起低优先级线程。
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 指向线程控制块的指针 */
-static rt_thread_t tid1 = RT_NULL;
-static rt_thread_t tid2 = RT_NULL;
-/* 线程1入口 */
-static void thread1_entry(void* parameter)
-{
-    rt_uint32_t count = 0;
-
-    while (1)
-    {
-        /* 线程1采用低优先级运行，一直打印计数值 */
-        rt_kprintf("thread count: %d\n", count ++);
-    }
-}
-
-/* 线程2入口 */
-static void thread2_entry(void* parameter)
-{
-    /* 延时10个OS Tick */
-    rt_thread_delay(10);
-
-    /* 挂起线程1 */
-    rt_thread_suspend(tid1);
-
-    /* 延时10个OS Tick */
-    rt_thread_delay(10);
-
-    /* 线程2自动退出 */
-    tid2 = RT_NULL;
-}
-
-int thread_suspend_init()
-{
-    /* 创建线程1 */
-    tid1 = rt_thread_create("thread",
-        thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */
-        THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid1 != RT_NULL)
-        rt_thread_startup(tid1);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 创建线程2 */
-    tid2 = rt_thread_create("thread",
-        thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
-        THREAD_STACK_SIZE, THREAD_PRIORITY - 1, THREAD_TIMESLICE);
-    if (tid2 != RT_NULL)
-        rt_thread_startup(tid2);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 删除线程 */
-    if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid1);
-    if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid2);
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_thread_suspend()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-    thread_suspend_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 100;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_thread_suspend, a thread suspend example);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    thread_suspend_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/thread_yield.c b/examples/kernel/thread_yield.c
deleted file mode 100644
index 97e57ba841..0000000000
--- a/examples/kernel/thread_yield.c
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 指向线程控制块的指针 */
-static rt_thread_t tid1 = RT_NULL;
-static rt_thread_t tid2 = RT_NULL;
-/* 线程1入口 */
-static void thread1_entry(void* parameter)
-{
-    rt_uint32_t count = 0;
-
-    while (1)
-    {
-        /* 打印线程1的输出 */
-        rt_kprintf("thread1: count = %d\n", count ++);
-
-        /* 执行yield后应该切换到thread2执行 */
-        rt_thread_yield();
-    }
-}
-
-/* 线程2入口 */
-static void thread2_entry(void* parameter)
-{
-    rt_uint32_t count = 0;
-
-    while (1)
-    {
-        /* 打印线程2的输出 */
-        rt_kprintf("thread2: count = %d\n", count ++);
-
-        /* 执行yield后应该切换到thread1执行 */
-        rt_thread_yield();
-    }
-}
-
-int thread_yield_init()
-{
-    /* 创建线程1 */
-    tid1 = rt_thread_create("thread",
-        thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */
-        THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid1 != RT_NULL)
-        rt_thread_startup(tid1);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 创建线程2 */
-    tid2 = rt_thread_create("thread",
-        thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
-        THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid2 != RT_NULL)
-        rt_thread_startup(tid2);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 删除线程 */
-    if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid1);
-    if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid2);
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_thread_yield()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-    thread_yield_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 30;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_thread_yield, a thread yield example);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    thread_yield_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/timer_control.c b/examples/kernel/timer_control.c
deleted file mode 100644
index c92d558d5c..0000000000
--- a/examples/kernel/timer_control.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：动态定时器例程
- *
- * 这个例程会创建1个动态周期型定时器对象，然后控制它进行定时时间长度的更改。
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 定时器的控制块 */
-static rt_timer_t timer1;
-static rt_uint8_t count;
-
-/* 定时器超时函数 */
-static void timeout1(void* parameter)
-{
-    rt_tick_t timeout = 50;
-
-    rt_kprintf("periodic timer is timeout\n");
-
-    count ++;
-    /* 停止定时器自身 */
-    if (count >= 8)
-    {
-        /* 控制定时器然后更改超时时间长度 */
-        rt_timer_control(timer1, RT_TIMER_CTRL_SET_TIME, (void *)&timeout);
-        count = 0;
-    }
-}
-
-void timer_control_init()
-{
-    /* 创建定时器1 */
-    timer1 = rt_timer_create("timer1",  /* 定时器名字是 timer1 */
-        timeout1, /* 超时时回调的处理函数 */
-        RT_NULL, /* 超时函数的入口参数 */
-        10, /* 定时长度，以OS Tick为单位，即10个OS Tick */
-        RT_TIMER_FLAG_PERIODIC); /* 周期性定时器 */
-    /* 启动定时器 */
-    if (timer1 != RT_NULL)
-        rt_timer_start(timer1);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 删除定时器对象 */
-    rt_timer_delete(timer1);
-    timer1 = RT_NULL;
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_timer_control()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-
-    /* 执行定时器例程 */
-    count = 0;
-    timer_control_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 100;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_timer_control, a timer control example);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    timer_control_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/timer_dynamic.c b/examples/kernel/timer_dynamic.c
deleted file mode 100644
index 35d7b845dd..0000000000
--- a/examples/kernel/timer_dynamic.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：动态定时器例程
- *
- * 这个例程会创建两个动态定时器对象，一个是单次定时，一个是周期性的定时
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 定时器的控制块 */
-static rt_timer_t timer1;
-static rt_timer_t timer2;
-
-/* 定时器1超时函数 */
-static void timeout1(void* parameter)
-{
-    rt_kprintf("periodic timer is timeout\n");
-}
-
-/* 定时器2超时函数 */
-static void timeout2(void* parameter)
-{
-    rt_kprintf("one shot timer is timeout\n");
-}
-
-void timer_create_init()
-{
-    /* 创建定时器1 */
-    timer1 = rt_timer_create("timer1",  /* 定时器名字是 timer1 */
-        timeout1, /* 超时时回调的处理函数 */
-        RT_NULL, /* 超时函数的入口参数 */
-        10, /* 定时长度，以OS Tick为单位，即10个OS Tick */
-        RT_TIMER_FLAG_PERIODIC); /* 周期性定时器 */
-    /* 启动定时器 */
-    if (timer1 != RT_NULL)
-        rt_timer_start(timer1);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    /* 创建定时器2 */
-    timer2 = rt_timer_create("timer2",   /* 定时器名字是 timer2 */
-        timeout2, /* 超时时回调的处理函数 */
-        RT_NULL, /* 超时函数的入口参数 */
-        30, /* 定时长度为30个OS Tick */
-        RT_TIMER_FLAG_ONE_SHOT); /* 单次定时器 */
-
-    /* 启动定时器 */
-    if (timer2 != RT_NULL)
-        rt_timer_start(timer2);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 删除定时器对象 */
-    rt_timer_delete(timer1);
-    rt_timer_delete(timer2);
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_timer_create()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-
-    /* 执行定时器例程 */
-    timer_create_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 100;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_timer_create, a dynamic timer example);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    timer_create_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/timer_static.c b/examples/kernel/timer_static.c
deleted file mode 100644
index 1523869b9a..0000000000
--- a/examples/kernel/timer_static.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：定时器例程
- *
- * 这个程序会初始化2个静态定时器，一个是单次定时，一个是周期性的定时
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 定时器的控制块 */
-static struct rt_timer timer1;
-static struct rt_timer timer2;
-
-/* 定时器1超时函数 */
-static void timeout1(void* parameter)
-{
-    rt_kprintf("periodic timer is timeout\n");
-}
-
-/* 定时器2超时函数 */
-static void timeout2(void* parameter)
-{
-    rt_kprintf("one shot timer is timeout\n");
-}
-
-void timer_static_init()
-{
-    /* 初始化定时器 */
-    rt_timer_init(&timer1, "timer1",  /* 定时器名字是 timer1 */
-        timeout1, /* 超时时回调的处理函数 */
-        RT_NULL, /* 超时函数的入口参数 */
-        10, /* 定时长度，以OS Tick为单位，即10个OS Tick */
-        RT_TIMER_FLAG_PERIODIC); /* 周期性定时器 */
-    rt_timer_init(&timer2, "timer2",   /* 定时器名字是 timer2 */
-        timeout2, /* 超时时回调的处理函数 */
-        RT_NULL, /* 超时函数的入口参数 */
-        30, /* 定时长度为30个OS Tick */
-        RT_TIMER_FLAG_ONE_SHOT); /* 单次定时器 */
-
-    /* 启动定时器 */
-    rt_timer_start(&timer1);
-    rt_timer_start(&timer2);
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 执行定时器脱离 */
-    rt_timer_detach(&timer1);
-    rt_timer_detach(&timer2);
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_timer_static()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-
-    /* 执行定时器例程 */
-    timer_static_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 100;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_timer_static, a static timer example);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    timer_static_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/timer_stop_self.c b/examples/kernel/timer_stop_self.c
deleted file mode 100644
index 584bc4128e..0000000000
--- a/examples/kernel/timer_stop_self.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：动态定时器例程
- *
- * 这个例程会创建1个动态周期型定时器对象
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 定时器的控制块 */
-static rt_timer_t timer1;
-static rt_uint8_t count;
-
-/* 定时器超时函数 */
-static void timeout1(void* parameter)
-{
-    rt_kprintf("periodic timer is timeout\n");
-
-    count ++;
-    /* 停止定时器自身 */
-    if (count >= 8)
-    {
-        /* 停止定时器 */
-        rt_timer_stop(timer1);
-        count = 0;
-    }
-}
-
-void timer_stop_self_init()
-{
-    /* 创建定时器1 */
-    timer1 = rt_timer_create("timer1",  /* 定时器名字是 timer1 */
-        timeout1, /* 超时时回调的处理函数 */
-        RT_NULL, /* 超时函数的入口参数 */
-        10, /* 定时长度，以OS Tick为单位，即10个OS Tick */
-        RT_TIMER_FLAG_PERIODIC); /* 周期性定时器 */
-    /* 启动定时器 */
-    if (timer1 != RT_NULL)
-        rt_timer_start(timer1);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 删除定时器对象 */
-    rt_timer_delete(timer1);
-    timer1 = RT_NULL;
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_timer_stop_self()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-
-    /* 执行定时器例程 */
-    count = 0;
-    timer_stop_self_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 100;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_timer_stop_self, a dynamic timer example);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    timer_stop_self_init();
-
-    return 0;
-}
-#endif
diff --git a/examples/kernel/timer_timeout.c b/examples/kernel/timer_timeout.c
deleted file mode 100644
index f72b45be3c..0000000000
--- a/examples/kernel/timer_timeout.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-
-/*
- * 程序清单：消息队列例程
- *
- * 这个程序会创建3个动态线程，一个线程会从消息队列中收取消息；一个线程会定时给消
- * 息队列发送消息；一个线程会定时给消息队列发送紧急消息。
- */
-#include <rtthread.h>
-#include "tc_comm.h"
-
-/* 指向线程控制块的指针 */
-static rt_thread_t tid = RT_NULL;
-
-/* 消息队列控制块 */
-static struct rt_messagequeue mq;
-/* 消息队列中用到的放置消息的内存池 */
-static char msg_pool[2048];
-
-/* 定时器的控制块 */
-static struct rt_timer timer;
-static rt_uint16_t no = 0;
-static void timer_timeout(void* parameter)
-{
-    char buf[32];
-    rt_uint32_t length;
-
-    length = rt_snprintf(buf, sizeof(buf), "message %d", no++);
-    rt_mq_send(&mq, &buf[0], length);
-}
-
-/* 线程入口函数 */
-static void thread_entry(void* parameter)
-{
-    char buf[64];
-    rt_err_t result;
-
-    /* 初始化定时器 */
-    rt_timer_init(&timer, "timer",  /* 定时器名字是 timer1 */
-        timer_timeout, /* 超时时回调的处理函数 */
-        RT_NULL, /* 超时函数的入口参数 */
-        1, /* 定时长度，以OS Tick为单位，即1个OS Tick */
-        RT_TIMER_FLAG_PERIODIC); /* 周期性定时器 */
-
-    while (1)
-    {
-        rt_memset(&buf[0], 0, sizeof(buf));
-
-        /* 从消息队列中接收消息 */
-        result = rt_mq_recv(&mq, &buf[0], sizeof(buf), 1);
-        if (result == RT_EOK)
-        {
-            rt_kprintf("recv msg: %s\n", buf);
-        }
-        else if (result == -RT_ETIMEOUT)
-        {
-            rt_kprintf("recv msg timeout\n");
-        }
-    }
-}
-
-int timer_timeout_init()
-{
-    /* 初始化消息队列 */
-    rt_mq_init(&mq, "mqt",
-        &msg_pool[0], /* 内存池指向msg_pool */
-        128 - sizeof(void*), /* 每个消息的大小是 128 - void* */
-        sizeof(msg_pool), /* 内存池的大小是msg_pool的大小 */
-        RT_IPC_FLAG_PRIO); /* 如果有多个线程等待，按照优先级由高到低的方法分配消息 */
-
-    /* 创建线程 */
-    tid = rt_thread_create("t",
-        thread_entry, RT_NULL, /* 线程入口是thread_entry, 入口参数是RT_NULL */
-        THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
-    if (tid != RT_NULL)
-        rt_thread_startup(tid);
-    else
-        tc_stat(TC_STAT_END | TC_STAT_FAILED);
-
-    return 0;
-}
-
-#ifdef RT_USING_TC
-static void _tc_cleanup()
-{
-    /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
-    rt_enter_critical();
-
-    /* 删除线程 */
-    if (tid != RT_NULL && tid->stat != RT_THREAD_CLOSE)
-        rt_thread_delete(tid);
-
-    /* 执行消息队列对象脱离 */
-    rt_mq_detach(&mq);
-    /* 执行定时器脱离 */
-    rt_timer_detach(&timer);
-
-    /* 调度器解锁 */
-    rt_exit_critical();
-
-    /* 设置TestCase状态 */
-    tc_done(TC_STAT_PASSED);
-}
-
-int _tc_timer_timeout()
-{
-    /* 设置TestCase清理回调函数 */
-    tc_cleanup(_tc_cleanup);
-    timer_timeout_init();
-
-    /* 返回TestCase运行的最长时间 */
-    return 100;
-}
-/* 输出函数命令到finsh shell中 */
-FINSH_FUNCTION_EXPORT(_tc_timer_timeout, a thread timer testcase);
-#else
-/* 用户应用入口 */
-int rt_application_init()
-{
-    timer_timeout_init();
-
-    return 0;
-}
-#endif