Merge branch 'master' of https://github.com/RT-Thread/rt-thread into nuvoton

9 files changed, 44 insertions, 536 deletions

diff --git a/include/libc/libc_dirent.h b/include/libc/libc_dirent.h
deleted file mode 100644
index a86332e633..0000000000
--- a/include/libc/libc_dirent.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- */
-
-#ifndef LIBC_DIRENT_H__
-#define LIBC_DIRENT_H__
-
-#define DT_UNKNOWN           0x00
-#define DT_REG               0x01
-#define DT_DIR               0x02
-
-#endif
diff --git a/include/libc/libc_fcntl.h b/include/libc/libc_fcntl.h
deleted file mode 100644
index 945e674d35..0000000000
--- a/include/libc/libc_fcntl.h
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2018-02-07     Bernard      Add O_DIRECTORY definition in NEWLIB mode.
- * 2018-02-09     Bernard      Add O_BINARY definition
- */
-
-#ifndef LIBC_FCNTL_H__
-#define LIBC_FCNTL_H__
-
-#if defined(RT_USING_NEWLIB) || defined(_WIN32) || (defined( __GNUC__ ) && !defined(__ARMCC_VERSION))
-#include <fcntl.h>
-
-#ifndef O_NONBLOCK
-#define O_NONBLOCK   0x4000
-#endif
-
-#if defined(_WIN32)
-#define O_ACCMODE   (_O_RDONLY | _O_WRONLY | _O_RDWR)
-#endif
-
-#ifndef F_GETFL
-#define F_GETFL  3
-#endif
-#ifndef F_SETFL
-#define F_SETFL  4
-#endif
-
-#ifndef O_DIRECTORY
-#define O_DIRECTORY 0x200000
-#endif
-
-#ifndef O_BINARY
-#ifdef  _O_BINARY
-#define O_BINARY _O_BINARY
-#else
-#define O_BINARY         0
-#endif
-#endif
-
-#else
-#define O_RDONLY         00
-#define O_WRONLY         01
-#define O_RDWR           02
-
-#define O_CREAT        0100
-#define O_EXCL         0200
-#define O_NOCTTY       0400
-#define O_TRUNC       01000
-#define O_APPEND      02000
-#define O_NONBLOCK    04000
-#define O_DSYNC      010000
-#define O_SYNC     04010000
-#define O_RSYNC    04010000
-#define O_BINARY    0100000
-#define O_DIRECTORY 0200000
-#define O_NOFOLLOW  0400000
-#define O_CLOEXEC  02000000
-
-#define O_ASYNC      020000
-#define O_DIRECT     040000
-#define O_LARGEFILE 0100000
-#define O_NOATIME  01000000
-#define O_PATH    010000000
-#define O_TMPFILE 020200000
-#define O_NDELAY O_NONBLOCK
-
-#define O_SEARCH  O_PATH
-#define O_EXEC    O_PATH
-
-#define O_ACCMODE (03|O_SEARCH)
-
-#define F_DUPFD  0
-#define F_GETFD  1
-#define F_SETFD  2
-#define F_GETFL  3
-#define F_SETFL  4
-
-#define F_SETOWN 8
-#define F_GETOWN 9
-#define F_SETSIG 10
-#define F_GETSIG 11
-
-#define F_GETLK 12
-#define F_SETLK 13
-#define F_SETLKW 14
-
-#define F_SETOWN_EX 15
-#define F_GETOWN_EX 16
-
-#define F_GETOWNER_UIDS 17
-#endif
-
-#endif
diff --git a/include/libc/libc_fdset.h b/include/libc/libc_fdset.h
deleted file mode 100644
index c542e6855c..0000000000
--- a/include/libc/libc_fdset.h
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017-10-30     Bernard      The first version
- */
-
-#ifndef LIBC_FDSET_H__
-#define LIBC_FDSET_H__
-
-#include <rtconfig.h>
-
-#if defined(RT_USING_NEWLIB) || defined(_WIN32) || (defined( __GNUC__ ) && !defined(__ARMCC_VERSION))
-#include <sys/types.h>
-#if defined(HAVE_SYS_SELECT_H)
-#include <sys/select.h>
-#endif
-
-#else
-
-#ifdef SAL_USING_POSIX
-
-#ifdef FD_SETSIZE
-#undef FD_SETSIZE
-#endif
-
-#define FD_SETSIZE      DFS_FD_MAX
-#endif
-
-#  ifndef   FD_SETSIZE
-#   define  FD_SETSIZE  32
-#  endif
-
-#  define   NBBY    8       /* number of bits in a byte */
-
-typedef long    fd_mask;
-#  define   NFDBITS (sizeof (fd_mask) * NBBY)   /* bits per mask */
-#  ifndef   howmany
-#   define  howmany(x,y)    (((x)+((y)-1))/(y))
-#  endif
-
-/* We use a macro for fd_set so that including Sockets.h afterwards
-   can work.  */
-typedef struct _types_fd_set {
-    fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)];
-} _types_fd_set;
-
-#define fd_set _types_fd_set
-
-#  define   FD_SET(n, p)    ((p)->fds_bits[(n)/NFDBITS] |= (1L << ((n) % NFDBITS)))
-#  define   FD_CLR(n, p)    ((p)->fds_bits[(n)/NFDBITS] &= ~(1L << ((n) % NFDBITS)))
-#  define   FD_ISSET(n, p)  ((p)->fds_bits[(n)/NFDBITS] & (1L << ((n) % NFDBITS)))
-#  define   FD_ZERO(p)      memset((void*)(p), 0, sizeof(*(p)))
-
-#endif
-
-#endif
diff --git a/include/libc/libc_signal.h b/include/libc/libc_signal.h
deleted file mode 100644
index 1fb8194643..0000000000
--- a/include/libc/libc_signal.h
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017-09-12     Bernard      The first version
- */
-
-#ifndef LIBC_SIGNAL_H__
-#define LIBC_SIGNAL_H__
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <stdint.h>
-#ifdef HAVE_CCONFIG_H
-#include <cconfig.h>
-#endif
-
-#ifndef HAVE_SIGVAL
-/*  Signal Generation and Delivery, P1003.1b-1993, p. 63
-    NOTE: P1003.1c/D10, p. 34 adds sigev_notify_function and
-          sigev_notify_attributes to the sigevent structure.  */
-
-union sigval
-{
-    int    sival_int;    /* Integer signal value */
-    void  *sival_ptr;    /* Pointer signal value */
-};
-#endif
-
-#ifndef HAVE_SIGEVENT
-struct sigevent
-{
-    int          sigev_notify;               /* Notification type */
-    int          sigev_signo;                /* Signal number */
-    union sigval sigev_value;                /* Signal value */
-    void         (*sigev_notify_function)( union sigval );
-                                             /* Notification function */
-    void         *sigev_notify_attributes;   /* Notification Attributes, really pthread_attr_t */
-};
-#endif
-
-#ifndef HAVE_SIGINFO
-struct siginfo
-{
-    uint16_t si_signo;
-    uint16_t si_code;
-
-    union sigval si_value;
-};
-typedef struct siginfo siginfo_t;
-#endif
-
-#define SI_USER     0x01    /* Signal sent by kill(). */
-#define SI_QUEUE    0x02    /* Signal sent by sigqueue(). */
-#define SI_TIMER    0x03    /* Signal generated by expiration of a
-                               timer set by timer_settime(). */
-#define SI_ASYNCIO  0x04    /* Signal generated by completion of an
-                               asynchronous I/O request. */
-#define SI_MESGQ    0x05    /* Signal generated by arrival of a
-                               message on an empty message queue. */
-
-#if !defined(RT_USING_NEWLIB)
-typedef void (*_sig_func_ptr)(int);
-typedef unsigned long sigset_t;
-#endif
-
-#include <signal.h>
-
-#ifdef __ARMCC_VERSION
-
-#define SIGHUP       1
-/* #define SIGINT       2 */
-#define SIGQUIT      3
-/* #define SIGILL       4 */
-#define SIGTRAP      5
-/* #define SIGABRT      6 */
-#define SIGEMT       7
-/* #define SIGFPE       8 */
-#define SIGKILL      9
-#define SIGBUS      10
-/* #define SIGSEGV     11 */
-#define SIGSYS      12
-#define SIGPIPE     13
-#define SIGALRM     14
-/* #define SIGTERM     15 */
-#define SIGURG      16
-#define SIGSTOP     17
-#define SIGTSTP     18
-#define SIGCONT     19
-#define SIGCHLD     20
-#define SIGTTIN     21
-#define SIGTTOU     22
-#define SIGPOLL     23
-#define SIGWINCH    24
-/* #define SIGUSR1     25 */
-/* #define SIGUSR2     26 */
-#define SIGRTMIN    27
-#define SIGRTMAX    31
-#define NSIG        32
-
-#define SIG_SETMASK 0   /* set mask with sigprocmask() */
-#define SIG_BLOCK   1   /* set of signals to block */
-#define SIG_UNBLOCK 2   /* set of signals to, well, unblock */
-
-struct sigaction
-{
-    _sig_func_ptr sa_handler;
-    sigset_t sa_mask;
-    int sa_flags;
-};
-
-#define sigaddset(what,sig) (*(what) |= (1<<(sig)), 0)
-#define sigdelset(what,sig) (*(what) &= ~(1<<(sig)), 0)
-#define sigemptyset(what)   (*(what) = 0, 0)
-#define sigfillset(what)    (*(what) = ~(0), 0)
-#define sigismember(what,sig) (((*(what)) & (1<<(sig))) != 0)
-
-int sigprocmask (int how, const sigset_t *set, sigset_t *oset);
-int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact);
-
-#elif defined(__IAR_SYSTEMS_ICC__)
-
-#define SIGHUP       1
-#define SIGINT       2
-#define SIGQUIT      3
-#define SIGILL       4
-#define SIGTRAP      5
-/* #define SIGABRT      6 */
-#define SIGEMT       7
-#define SIGFPE       8
-#define SIGKILL      9
-#define SIGBUS      10
-#define SIGSEGV     11
-#define SIGSYS      12
-#define SIGPIPE     13
-#define SIGALRM     14
-#define SIGTERM     15
-#define SIGURG      16
-#define SIGSTOP     17
-#define SIGTSTP     18
-#define SIGCONT     19
-#define SIGCHLD     20
-#define SIGTTIN     21
-#define SIGTTOU     22
-#define SIGPOLL     23
-#define SIGWINCH    24
-#define SIGUSR1     25
-#define SIGUSR2     26
-#define SIGRTMIN    27
-#define SIGRTMAX    31
-#define NSIG        32
-
-#define SIG_SETMASK 0   /* set mask with sigprocmask() */
-#define SIG_BLOCK   1   /* set of signals to block */
-#define SIG_UNBLOCK 2   /* set of signals to, well, unblock */
-
-struct sigaction
-{
-    _sig_func_ptr sa_handler;
-    sigset_t sa_mask;
-    int sa_flags;
-};
-
-#define sigaddset(what,sig) (*(what) |= (1<<(sig)), 0)
-#define sigdelset(what,sig) (*(what) &= ~(1<<(sig)), 0)
-#define sigemptyset(what)   (*(what) = 0, 0)
-#define sigfillset(what)    (*(what) = ~(0), 0)
-#define sigismember(what,sig) (((*(what)) & (1<<(sig))) != 0)
-
-int sigprocmask (int how, const sigset_t *set, sigset_t *oset);
-int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact);
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
-
diff --git a/include/libc/libc_stat.h b/include/libc/libc_stat.h
deleted file mode 100644
index f680de4e06..0000000000
--- a/include/libc/libc_stat.h
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- */
-
-#ifndef LIBC_STAT_H__
-#define LIBC_STAT_H__
-
-#include <rtconfig.h>
-
-#if defined(RT_USING_NEWLIB) || (defined( __GNUC__ ) && !defined(__ARMCC_VERSION))
-/* use header file of newlib */
-#include <sys/stat.h>
-
-#elif defined(_WIN32)
-#include <sys/stat.h>
-
-#define S_IRWXU              00700
-#define S_IRUSR              00400
-#define S_IWUSR              00200
-#define S_IXUSR              00100
-
-#define S_IRWXG              00070
-#define S_IRGRP              00040
-#define S_IWGRP              00020
-#define S_IXGRP              00010
-
-#define S_IRWXO              00007
-#define S_IROTH              00004
-#define S_IWOTH              00002
-#define S_IXOTH              00001
-
-#define S_IFSOCK             0140000
-#define S_IFLNK              0120000
-#define S_IFBLK              0060000
-#define S_IFIFO              0010000
-#define S_ISUID              0004000
-#define S_ISGID              0002000
-#define S_ISVTX              0001000
-
-#define S_ISDIR(m)           (((m) & S_IFMT) == S_IFDIR)
-
-#else
-#define S_IFMT               00170000
-#define S_IFSOCK             0140000
-#define S_IFLNK              0120000
-#define S_IFREG              0100000
-#define S_IFBLK              0060000
-#define S_IFDIR              0040000
-#define S_IFCHR              0020000
-#define S_IFIFO              0010000
-#define S_ISUID              0004000
-#define S_ISGID              0002000
-#define S_ISVTX              0001000
-
-#define S_ISLNK(m)           (((m) & S_IFMT) == S_IFLNK)
-#define S_ISREG(m)           (((m) & S_IFMT) == S_IFREG)
-#define S_ISDIR(m)           (((m) & S_IFMT) == S_IFDIR)
-#define S_ISCHR(m)           (((m) & S_IFMT) == S_IFCHR)
-#define S_ISBLK(m)           (((m) & S_IFMT) == S_IFBLK)
-#define S_ISFIFO(m)          (((m) & S_IFMT) == S_IFIFO)
-#define S_ISSOCK(m)          (((m) & S_IFMT) == S_IFSOCK)
-
-#define S_IRWXU              00700
-#define S_IRUSR              00400
-#define S_IWUSR              00200
-#define S_IXUSR              00100
-
-#define S_IRWXG              00070
-#define S_IRGRP              00040
-#define S_IWGRP              00020
-#define S_IXGRP              00010
-
-#define S_IRWXO              00007
-#define S_IROTH              00004
-#define S_IWOTH              00002
-#define S_IXOTH              00001
-
-/* stat structure */
-#include <stdint.h>
-#include <time.h>
-
-struct stat
-{
-    struct rt_device *st_dev;
-    uint16_t  st_ino;
-    uint16_t  st_mode;
-    uint16_t  st_nlink;
-    uint16_t  st_uid;
-    uint16_t  st_gid;
-    struct rt_device *st_rdev;
-    uint32_t  st_size;
-    time_t    st_atime;
-    long      st_spare1;
-    time_t    st_mtime;
-    long      st_spare2;
-    time_t    st_ctime;
-    long      st_spare3;
-    uint32_t  st_blksize;
-    uint32_t  st_blocks;
-    long      st_spare4[2];
-};
-
-#endif
-
-#endif
diff --git a/include/rtdebug.h b/include/rtdebug.h
index 8c7d450ad4..c170d148c1 100644
--- a/include/rtdebug.h
+++ b/include/rtdebug.h
@@ -17,18 +17,7 @@
 #if !defined(RT_USING_DFS) || !defined(RT_USING_DFS_DEVFS)
 #error "POSIX poll/select, stdin need file system(RT_USING_DFS) and device file system(RT_USING_DFS_DEVFS)"
 #endif
-
-#if !defined(RT_USING_LIBC)
-#error "POSIX layer need standard C library(RT_USING_LIBC)"
-#endif
-
-#endif
-
-#ifdef RT_USING_POSIX_TERMIOS
-#if !defined(RT_USING_POSIX)
-#error "termios need POSIX layer(RT_USING_POSIX)"
-#endif
-#endif
+#endif /* RT_USING_POSIX */
 
 /* Using this macro to control all kernel debug features. */
 #ifdef RT_DEBUG
diff --git a/include/rtdef.h b/include/rtdef.h
index 394bbca5d2..a324eea122 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -34,6 +34,7 @@
  * 2019-12-20     Bernard      change version number to v4.0.3
  * 2020-08-10     Meco Man     add macro for struct rt_device_ops
  * 2020-10-23     Meco Man     define maximum value of ipc type
+ * 2021-03-19     Meco Man     add security devices
  * 2021-05-10     armink       change version number to v4.0.4
  */
 
@@ -276,7 +277,6 @@ typedef int (*init_fn_t)(void);
 /* define these to empty, even if not include finsh.h file */
 #define FINSH_FUNCTION_EXPORT(name, desc)
 #define FINSH_FUNCTION_EXPORT_ALIAS(name, alias, desc)
-#define FINSH_VAR_EXPORT(name, type, desc)
 
 #define MSH_CMD_EXPORT(command, desc)
 #define MSH_CMD_EXPORT_ALIAS(command, alias, desc)
@@ -510,7 +510,7 @@ typedef struct rt_timer *rt_timer_t;
  * @addtogroup Signal
  */
 #ifdef RT_USING_SIGNALS
-#include <libc/libc_signal.h>
+#include <sys/signal.h>
 typedef unsigned long rt_sigset_t;
 typedef void (*rt_sighandler_t)(int signo);
 typedef siginfo_t rt_siginfo_t;
@@ -908,6 +908,7 @@ enum rt_device_class_type
     RT_Device_Class_I2CBUS,                             /**< I2C bus device */
     RT_Device_Class_USBDevice,                          /**< USB slave device */
     RT_Device_Class_USBHost,                            /**< USB host bus */
+    RT_Device_Class_USBOTG,                             /**< USB OTG bus */
     RT_Device_Class_SPIBUS,                             /**< SPI bus device */
     RT_Device_Class_SPIDevice,                          /**< SPI device */
     RT_Device_Class_SDIO,                               /**< SDIO bus device */
@@ -919,6 +920,7 @@ enum rt_device_class_type
     RT_Device_Class_Sensor,                             /**< Sensor device */
     RT_Device_Class_Touch,                              /**< Touch device */
     RT_Device_Class_PHY,                                /**< PHY device */
+    RT_Device_Class_Security,                           /**< Security device */
     RT_Device_Class_Unknown                             /**< unknown device */
 };
 
@@ -964,13 +966,13 @@ enum rt_device_class_type
 /**
  * special device commands
  */
-#define RT_DEVICE_CTRL_CHAR_STREAM      0x10            /**< stream mode on char device */
-#define RT_DEVICE_CTRL_BLK_GETGEOME     0x10            /**< get geometry information   */
-#define RT_DEVICE_CTRL_BLK_SYNC         0x11            /**< flush data to block device */
-#define RT_DEVICE_CTRL_BLK_ERASE        0x12            /**< erase block on block device */
-#define RT_DEVICE_CTRL_BLK_AUTOREFRESH  0x13            /**< block device : enter/exit auto refresh mode */
-#define RT_DEVICE_CTRL_NETIF_GETMAC     0x10            /**< get mac address */
-#define RT_DEVICE_CTRL_MTD_FORMAT       0x10            /**< format a MTD device */
+#define RT_DEVICE_CTRL_CHAR_STREAM      0x20            /**< stream mode on char device */
+#define RT_DEVICE_CTRL_BLK_GETGEOME     0x20            /**< get geometry information   */
+#define RT_DEVICE_CTRL_BLK_SYNC         0x21            /**< flush data to block device */
+#define RT_DEVICE_CTRL_BLK_ERASE        0x22            /**< erase block on block device */
+#define RT_DEVICE_CTRL_BLK_AUTOREFRESH  0x23            /**< block device : enter/exit auto refresh mode */
+#define RT_DEVICE_CTRL_NETIF_GETMAC     0x20            /**< get mac address */
+#define RT_DEVICE_CTRL_MTD_FORMAT       0x20            /**< format a MTD device */
 
 typedef struct rt_device *rt_device_t;
 
@@ -1144,9 +1146,6 @@ struct rt_device_graphic_ops
 /**@}*/
 #endif
 
-/* definitions for libc */
-#include "rtlibc.h"
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/include/rtlibc.h b/include/rtlibc.h
deleted file mode 100644
index ac44a97831..0000000000
--- a/include/rtlibc.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017-01-21     Bernard      the first version
- */
-
-#ifndef RTLIBC_H__
-#define RTLIBC_H__
-
-/* definitions for libc if toolchain has no these definitions */
-#include "libc/libc_stat.h"
-
-#include "libc/libc_fcntl.h"
-#include "libc/libc_dirent.h"
-#include "libc/libc_signal.h"
-#include "libc/libc_fdset.h"
-
-#ifndef RT_USING_LIBC
-#if defined(__ARMCC_VERSION) || defined(__IAR_SYSTEMS_ICC__)
-typedef signed long off_t;
-typedef int mode_t;
-#endif
-#endif
-
-#if defined(__MINGW32__) || defined(_WIN32)
-typedef signed long off_t;
-typedef int mode_t;
-#endif
-
-#endif
-
diff --git a/include/rtthread.h b/include/rtthread.h
index cf47a48efe..83be7d1ebc 100644
--- a/include/rtthread.h
+++ b/include/rtthread.h
@@ -48,9 +48,11 @@ void rt_object_init(struct rt_object         *object,
                     enum rt_object_class_type type,
                     const char               *name);
 void rt_object_detach(rt_object_t object);
+#ifdef RT_USING_HEAP
 rt_object_t rt_object_allocate(enum rt_object_class_type type,
                                const char               *name);
 void rt_object_delete(rt_object_t object);
+#endif
 rt_bool_t rt_object_is_systemobject(rt_object_t object);
 rt_uint8_t rt_object_get_type(rt_object_t object);
 rt_object_t rt_object_find(const char *name, rt_uint8_t type);
@@ -90,12 +92,14 @@ void rt_timer_init(rt_timer_t  timer,
                    rt_tick_t   time,
                    rt_uint8_t  flag);
 rt_err_t rt_timer_detach(rt_timer_t timer);
+#ifdef RT_USING_HEAP
 rt_timer_t rt_timer_create(const char *name,
                            void (*timeout)(void *parameter),
                            void       *parameter,
                            rt_tick_t   time,
                            rt_uint8_t  flag);
 rt_err_t rt_timer_delete(rt_timer_t timer);
+#endif
 rt_err_t rt_timer_start(rt_timer_t timer);
 rt_err_t rt_timer_stop(rt_timer_t timer);
 rt_err_t rt_timer_control(rt_timer_t timer, int cmd, void *arg);
@@ -128,17 +132,18 @@ rt_err_t rt_thread_init(struct rt_thread *thread,
                         rt_uint8_t        priority,
                         rt_uint32_t       tick);
 rt_err_t rt_thread_detach(rt_thread_t thread);
+#ifdef RT_USING_HEAP
 rt_thread_t rt_thread_create(const char *name,
                              void (*entry)(void *parameter),
                              void       *parameter,
                              rt_uint32_t stack_size,
                              rt_uint8_t  priority,
                              rt_uint32_t tick);
+rt_err_t rt_thread_delete(rt_thread_t thread);
+#endif
 rt_thread_t rt_thread_self(void);
 rt_thread_t rt_thread_find(char *name);
 rt_err_t rt_thread_startup(rt_thread_t thread);
-rt_err_t rt_thread_delete(rt_thread_t thread);
-
 rt_err_t rt_thread_yield(void);
 rt_err_t rt_thread_delay(rt_tick_t tick);
 rt_err_t rt_thread_delay_until(rt_tick_t *tick, rt_tick_t inc_tick);
@@ -228,10 +233,12 @@ rt_err_t rt_mp_init(struct rt_mempool *mp,
                     rt_size_t          size,
                     rt_size_t          block_size);
 rt_err_t rt_mp_detach(struct rt_mempool *mp);
+#ifdef RT_USING_HEAP
 rt_mp_t rt_mp_create(const char *name,
                      rt_size_t   block_count,
                      rt_size_t   block_size);
 rt_err_t rt_mp_delete(rt_mp_t mp);
+#endif
 
 void *rt_mp_alloc(rt_mp_t mp, rt_int32_t time);
 void rt_mp_free(void *block);
@@ -303,8 +310,10 @@ rt_err_t rt_sem_init(rt_sem_t    sem,
                      rt_uint32_t value,
                      rt_uint8_t  flag);
 rt_err_t rt_sem_detach(rt_sem_t sem);
+#ifdef RT_USING_HEAP
 rt_sem_t rt_sem_create(const char *name, rt_uint32_t value, rt_uint8_t flag);
 rt_err_t rt_sem_delete(rt_sem_t sem);
+#endif
 
 rt_err_t rt_sem_take(rt_sem_t sem, rt_int32_t time);
 rt_err_t rt_sem_trytake(rt_sem_t sem);
@@ -318,8 +327,10 @@ rt_err_t rt_sem_control(rt_sem_t sem, int cmd, void *arg);
  */
 rt_err_t rt_mutex_init(rt_mutex_t mutex, const char *name, rt_uint8_t flag);
 rt_err_t rt_mutex_detach(rt_mutex_t mutex);
+#ifdef RT_USING_HEAP
 rt_mutex_t rt_mutex_create(const char *name, rt_uint8_t flag);
 rt_err_t rt_mutex_delete(rt_mutex_t mutex);
+#endif
 
 rt_err_t rt_mutex_take(rt_mutex_t mutex, rt_int32_t time);
 rt_err_t rt_mutex_trytake(rt_mutex_t mutex);
@@ -333,8 +344,10 @@ rt_err_t rt_mutex_control(rt_mutex_t mutex, int cmd, void *arg);
  */
 rt_err_t rt_event_init(rt_event_t event, const char *name, rt_uint8_t flag);
 rt_err_t rt_event_detach(rt_event_t event);
+#ifdef RT_USING_HEAP
 rt_event_t rt_event_create(const char *name, rt_uint8_t flag);
 rt_err_t rt_event_delete(rt_event_t event);
+#endif
 
 rt_err_t rt_event_send(rt_event_t event, rt_uint32_t set);
 rt_err_t rt_event_recv(rt_event_t   event,
@@ -355,8 +368,10 @@ rt_err_t rt_mb_init(rt_mailbox_t mb,
                     rt_size_t    size,
                     rt_uint8_t   flag);
 rt_err_t rt_mb_detach(rt_mailbox_t mb);
+#ifdef RT_USING_HEAP
 rt_mailbox_t rt_mb_create(const char *name, rt_size_t size, rt_uint8_t flag);
 rt_err_t rt_mb_delete(rt_mailbox_t mb);
+#endif
 
 rt_err_t rt_mb_send(rt_mailbox_t mb, rt_ubase_t value);
 rt_err_t rt_mb_send_wait(rt_mailbox_t mb,
@@ -377,11 +392,13 @@ rt_err_t rt_mq_init(rt_mq_t     mq,
                     rt_size_t   pool_size,
                     rt_uint8_t  flag);
 rt_err_t rt_mq_detach(rt_mq_t mq);
+#ifdef RT_USING_HEAP
 rt_mq_t rt_mq_create(const char *name,
                      rt_size_t   msg_size,
                      rt_size_t   max_msgs,
                      rt_uint8_t  flag);
 rt_err_t rt_mq_delete(rt_mq_t mq);
+#endif
 
 rt_err_t rt_mq_send(rt_mq_t mq, const void *buffer, rt_size_t size);
 rt_err_t rt_mq_send_wait(rt_mq_t     mq,
@@ -440,8 +457,10 @@ rt_err_t rt_device_register(rt_device_t dev,
                             rt_uint16_t flags);
 rt_err_t rt_device_unregister(rt_device_t dev);
 
+#ifdef RT_USING_HEAP
 rt_device_t rt_device_create(int type, int attach_size);
 void rt_device_destroy(rt_device_t device);
+#endif
 
 rt_err_t
 rt_device_set_rx_indicate(rt_device_t dev,
@@ -545,6 +564,7 @@ int __rt_ffs(int value);
 
 void *rt_memset(void *src, int c, rt_ubase_t n);
 void *rt_memcpy(void *dest, const void *src, rt_ubase_t n);
+char *rt_strdup(const char *s);
 
 #ifndef RT_KSERVICE_USING_STDLIB
 void *rt_memmove(void *dest, const void *src, rt_ubase_t n);
@@ -554,7 +574,6 @@ rt_int32_t rt_strcasecmp(const char *a, const char *b);
 char *rt_strncpy(char *dest, const char *src, rt_ubase_t n);
 rt_int32_t rt_strncmp(const char *cs, const char *ct, rt_ubase_t count);
 rt_int32_t rt_strcmp(const char *cs, const char *ct);
-rt_size_t rt_strnlen(const char *s, rt_ubase_t maxlen);
 rt_size_t rt_strlen(const char *src);
 #else
 #include <string.h>
@@ -565,15 +584,20 @@ rt_size_t rt_strlen(const char *src);
 #define rt_strncpy(dest, src, n)    strncpy(dest, src, n)
 #define rt_strncmp(cs, ct, count)   strncmp(cs, ct, count)
 #define rt_strcmp(cs, ct)           strcmp(cs, ct)
-#define rt_strnlen(s, maxlen)       strnlen(s, maxlen)
 #define rt_strlen(src)              strlen(src)
 #endif /*RT_KSERVICE_USING_STDLIB*/
 
-char *rt_strdup(const char *s);
+#if !defined(RT_KSERVICE_USING_STDLIB) || defined(__ARMCC_VERSION)
+rt_size_t rt_strnlen(const char *s, rt_ubase_t maxlen);
+#else
+#define rt_strnlen(s, maxlen)       strnlen(s, maxlen)
+#endif /* !defined(RT_KSERVICE_USING_STDLIB) || defined(__ARMCC_VERSION) */
+
 #ifdef __ARMCC_VERSION
-/* lack strdup interface */
+/* MDK doesn't have these APIs */
 char* strdup(const char* str);
-#endif
+rt_size_t strnlen(const char *s, rt_size_t maxlen);
+#endif /* __ARMCC_VERSION */
 
 void rt_show_version(void);
 
@@ -585,7 +609,7 @@ void rt_assert_handler(const char *ex, const char *func, rt_size_t line);
 #endif /* RT_DEBUG */
 
 #ifdef RT_USING_FINSH
-#include <finsh_api.h>
+#include <finsh.h>
 #endif
 
 /**@}*/