5 files changed, 15 insertions, 21 deletions
diff --git a/components/libc/compilers/armlibc/syscalls.c b/components/libc/compilers/armlibc/syscalls.c
index 71eacb1c41..bfd3777193 100644
--- a/components/libc/compilers/armlibc/syscalls.c
+++ b/components/libc/compilers/armlibc/syscalls.c
@@ -21,9 +21,9 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <sys/stat.h>
-#ifdef RT_USING_POSIX_STDIO
+#ifdef RT_USING_POSIX_DEVIO
 #include "libc.h"
-#endif
+#endif /* RT_USING_POSIX_DEVIO */
 
 #define DBG_TAG    "armlibc.syscalls"
 #define DBG_LVL    DBG_INFO
@@ -149,7 +149,7 @@ int _sys_read(FILEHANDLE fh, unsigned char *buf, unsigned len, int mode)
 
     if (fh == STDIN)
     {
-#ifdef RT_USING_POSIX_STDIO
+#ifdef RT_USING_POSIX_DEVIO
         if (libc_stdio_get_console() < 0)
         {
             LOG_W("Do not invoke standard output before initializing libc");
@@ -159,7 +159,7 @@ int _sys_read(FILEHANDLE fh, unsigned char *buf, unsigned len, int mode)
         return 0; /* success */
 #else
         return 0; /* error */
-#endif
+#endif /* RT_USING_POSIX_DEVIO */
     }
     else if (fh == STDOUT || fh == STDERR)
     {
@@ -332,7 +332,7 @@ int fputc(int c, FILE *f)
 
 int fgetc(FILE *f)
 {
-#ifdef RT_USING_POSIX_STDIO
+#ifdef RT_USING_POSIX_DEVIO
     char ch;
 
     if (libc_stdio_get_console() < 0)
@@ -343,7 +343,7 @@ int fgetc(FILE *f)
 
     if(read(STDIN_FILENO, &ch, 1) == 1)
         return ch;
-#endif /* RT_USING_POSIX_STDIO */
+#endif /* RT_USING_POSIX_DEVIO */
     return 0; /* error */
 }
 
diff --git a/components/libc/compilers/common/sys/ioctl.h b/components/libc/compilers/common/sys/ioctl.h
index 04f73837bc..29ed3a8b84 100644
--- a/components/libc/compilers/common/sys/ioctl.h
+++ b/components/libc/compilers/common/sys/ioctl.h
@@ -11,9 +11,7 @@
 #define _SYS_IOCTL_H
 
 #include <rtconfig.h>
-#ifdef RT_USING_POSIX
 #include <dfs_posix.h>
-#endif
 
 #ifdef _WIN32
 #include <winsock.h>
diff --git a/components/libc/compilers/dlib/syscall_read.c b/components/libc/compilers/dlib/syscall_read.c
index 469ea7c1dd..62bc05d243 100644
--- a/components/libc/compilers/dlib/syscall_read.c
+++ b/components/libc/compilers/dlib/syscall_read.c
@@ -11,9 +11,9 @@
 #include <rtthread.h>
 #include <LowLevelIOInterface.h>
 #include <unistd.h>
-#ifdef RT_USING_POSIX_STDIO
+#ifdef RT_USING_POSIX_DEVIO
 #include "libc.h"
-#endif
+#endif /* RT_USING_POSIX_DEVIO */
 
 #define DBG_TAG    "dlib.syscall_read"
 #define DBG_LVL    DBG_INFO
@@ -39,7 +39,7 @@ size_t __read(int handle, unsigned char *buf, size_t len)
 
     if (handle == _LLIO_STDIN)
     {
-#ifdef RT_USING_POSIX_STDIO
+#ifdef RT_USING_POSIX_DEVIO
         if (libc_stdio_get_console() < 0)
         {
             LOG_W("Do not invoke standard input before initializing libc");
@@ -48,7 +48,7 @@ size_t __read(int handle, unsigned char *buf, size_t len)
         return read(STDIN_FILENO, buf, len); /* return the length of the data read */
 #else
         return _LLIO_ERROR;
-#endif /* RT_USING_POSIX_STDIO */
+#endif /* RT_USING_POSIX_DEVIO */
     }
     else if ((handle == _LLIO_STDOUT) || (handle == _LLIO_STDERR))
     {
diff --git a/components/libc/compilers/dlib/syscall_write.c b/components/libc/compilers/dlib/syscall_write.c
index d5ede3e59e..2bc5863d8a 100644
--- a/components/libc/compilers/dlib/syscall_write.c
+++ b/components/libc/compilers/dlib/syscall_write.c
@@ -11,10 +11,6 @@
 #include <rtthread.h>
 #include <LowLevelIOInterface.h>
 #include <unistd.h>
-#ifdef RT_USING_POSIX_STDIO
-#include "libc.h"
-#endif
-
 #define DBG_TAG    "dlib.syscall_write"
 #define DBG_LVL    DBG_INFO
 #include <rtdbg.h>
diff --git a/components/libc/compilers/gcc/newlib/syscalls.c b/components/libc/compilers/gcc/newlib/syscalls.c
index 8bb9af940d..8fe8c5be4b 100644
--- a/components/libc/compilers/gcc/newlib/syscalls.c
+++ b/components/libc/compilers/gcc/newlib/syscalls.c
@@ -20,12 +20,12 @@
 #include <unistd.h>
 #include <sys/errno.h>
 #include <sys/stat.h>
-#ifdef RT_USING_POSIX_STDIO
+#ifdef RT_USING_POSIX_DEVIO
 #include "libc.h"
-#endif
+#endif /* RT_USING_POSIX_DEVIO */
 #ifdef RT_USING_MODULE
 #include <dlmodule.h>
-#endif
+#endif /* RT_USING_MODULE */
 
 #define DBG_TAG    "newlib.syscalls"
 #define DBG_LVL    DBG_INFO
@@ -225,7 +225,7 @@ _ssize_t _read_r(struct _reent *ptr, int fd, void *buf, size_t nbytes)
     _ssize_t rc;
     if (fd == STDIN_FILENO)
     {
-#ifdef RT_USING_POSIX_STDIO
+#ifdef RT_USING_POSIX_DEVIO
         if (libc_stdio_get_console() < 0)
         {
             LOG_W("Do not invoke standard input before initializing libc");
@@ -234,7 +234,7 @@ _ssize_t _read_r(struct _reent *ptr, int fd, void *buf, size_t nbytes)
 #else
         ptr->_errno = ENOTSUP;
         return -1;
-#endif /* RT_USING_POSIX_STDIO */
+#endif /* RT_USING_POSIX_DEVIO */
     }
     else if (fd == STDOUT_FILENO || fd == STDERR_FILENO)
     {