[Libc][armlibc] Add STDIN_FILENO, STDOUT_FILENO and STDERR_FILENO to armlibc/sys/unistd.h.

2018-03-22 12:09:39 +08:00 · 2018-03-22 12:09:39 +08:00 · b27b1d8032
parent 2a9ce628e4
commit b27b1d8032
1 changed files with 5 additions and 0 deletions
--- a/components/libc/compilers/armlibc/sys/unistd.h
+++ b/components/libc/compilers/armlibc/sys/unistd.h
@ -4,6 +4,11 @@
 #include <rtthread.h>

 #ifdef RT_USING_DFS
+
+#define STDIN_FILENO    0       /* standard input file descriptor */
+#define STDOUT_FILENO   1       /* standard output file descriptor */
+#define STDERR_FILENO   2       /* standard error file descriptor */
+
 #include <dfs_posix.h>
 #else
 #define _FREAD      0x0001  /* read enabled */