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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-03-20 16:51:12 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-03-20 16:51:12 +0000 |
| commit | 360b2b7ab8fd7cf337f02e260346a0f0ecbb8064 (patch) | |
| tree | 7e83b806156983fa5af8a32715d849762b8c7346 /nuttx/include/unistd.h | |
| parent | d913f00d3b4bcbebc12dfa7ea017bacd17464b88 (diff) | |
| download | px4-nuttx-360b2b7ab8fd7cf337f02e260346a0f0ecbb8064.tar.gz px4-nuttx-360b2b7ab8fd7cf337f02e260346a0f0ecbb8064.tar.bz2 px4-nuttx-360b2b7ab8fd7cf337f02e260346a0f0ecbb8064.zip | |
Restructure header files for POSIX compliance; eliminate compile warnings
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@107 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/include/unistd.h')
| -rw-r--r-- | nuttx/include/unistd.h | 54 |
1 files changed, 51 insertions, 3 deletions
diff --git a/nuttx/include/unistd.h b/nuttx/include/unistd.h index faf50e3a3..164b5368e 100644 --- a/nuttx/include/unistd.h +++ b/nuttx/include/unistd.h @@ -53,6 +53,49 @@ #define ATEXIT_MAX 1 +/* Values for seeking */ + +#define SEEK_SET 0 /* From the start of the file */ +#define SEEK_CUR 1 /* From the current file offset */ +#define SEEK_END 2 /* From the end of the file */ + +/* Bit values for the second argument to access */ + +#define F_OK 0 /* Test existence */ +#define R_OK 1 /* Test read permission */ +#define W_OK 2 /* Test write permission */ +#define X_OK 4 /* Test execute permission */ + +/* POSIX feature set macros */ + +#define POSIX_VERSION +#undef _POSIX_SAVED_IDS +#undef _POSIX_JOB_CONTROL +#define _POSIX_REALTIME_SIGNALS 1 +#define _POSIX_MESSAGE_PASSING 1 +#undef _POSIX_MAPPED_FILES +#undef _POSIX_SHARED_MEMORY_OBJECTS +#define _POSIX_PRIORITY_SCHEDULING 1 +#define _POSIX_TIMERS +#undef _POSIX_MEMLOCK +#undef _POSIX_MEMLOCK_RANGE +#undef _POSIX_FSYNC +#define _POSIX_SYNCHRONIZED_IO +#undef _POSIX_ASYNCHRONOUS_IO +#undef _POSIX_PRIORITIZED_IO + +/* Execution time constants (not supported) */ + +#undef _POSIX_CHOWN_RESTRICTED +#undef _POSIX_NO_TRUNC +#undef _POSIX_VDISABLE + +#define _POSIX_SYNC_IO +#undef _POSIX_ASYNC_IO +#undef _POSIX_PRIO_IO + +#define fsync(f) + /************************************************************ * Global Function Prototypes ************************************************************/ @@ -70,12 +113,17 @@ extern "C" { EXTERN pid_t getpid(void); EXTERN void _exit(int status) noreturn_function; EXTERN unsigned int sleep(unsigned int seconds); -EXTERN void usleep(unsigned long usec); +EXTERN void usleep(unsigned long usec); /* File descriptor operations */ -EXTERN int dup(int fildes); -EXTERN int dup2(int fildes1, int fildes2); +EXTERN int close(int fd); +EXTERN int dup(int fildes); +EXTERN int dup2(int fildes1, int fildes2); +EXTERN off_t lseek(int fd, off_t offset, int whence); +EXTERN int read(int fd, void *buf, unsigned int nbytes); +EXTERN int unlink(const char *path); +EXTERN int write(int fd, const void *buf, unsigned int nbytes); #undef EXTERN #if defined(__cplusplus) |