diff options
Diffstat (limited to 'sys/posix4/semaphore.h')
-rw-r--r-- | sys/posix4/semaphore.h | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/sys/posix4/semaphore.h b/sys/posix4/semaphore.h index e97abee..9741b06 100644 --- a/sys/posix4/semaphore.h +++ b/sys/posix4/semaphore.h @@ -38,27 +38,33 @@ */ #include <sys/_posix.h> +#include <machine/limits.h> #ifdef _P1003_1B_INCLUDE_MAYBES #include <sys/types.h> #include <fcntl.h> #endif -typedef int sem_t; +/* Opaque type definition. */ +struct sem; +typedef struct sem *sem_t; + +#define SEM_FAILED ((sem_t *)0) +#define SEM_VALUE_MAX UINT_MAX #ifndef _KERNEL #include <sys/cdefs.h> __BEGIN_DECLS -int sem_init __P((sem_t *, int, unsigned int)); -int sem_destroy __P((sem_t *)); -sem_t sem_open __P((const char *, int, ...)); -int sem_close __P((sem_t *)); -int sem_unlink __P((const char *)); -int sem_wait __P((sem_t *)); -int sem_trywait __P((sem_t *)); -int sem_post __P((sem_t *)); -int sem_getvalue __P((sem_t *, int *)); +int sem_init __P((sem_t *, int, unsigned int)); +int sem_destroy __P((sem_t *)); +sem_t *sem_open __P((const char *, int, ...)); +int sem_close __P((sem_t *)); +int sem_unlink __P((const char *)); +int sem_wait __P((sem_t *)); +int sem_trywait __P((sem_t *)); +int sem_post __P((sem_t *)); +int sem_getvalue __P((sem_t *, int *)); __END_DECLS #endif |