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Diffstat (limited to 'examples/kernel/thread_delete.c')
| -rw-r--r-- | examples/kernel/thread_delete.c | 151 |
1 files changed, 0 insertions, 151 deletions
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 |
