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author | Jason Evans <jasone@FreeBSD.org> | 2000-01-20 07:55:42 +0000 |
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committer | Jason Evans <jasone@FreeBSD.org> | 2000-01-20 07:55:42 +0000 |
commit | 4f249023a475d2051cca979a1d775da5fc72a32d (patch) | |
tree | 6f3757f3bd51a8e0d4e48de4129f0f1ada7aeabf /sys/sys/semaphore.h | |
parent | 120bfc9ded5e1b2c07a55564b032f4255fab5804 (diff) | |
download | src-4f249023a475d2051cca979a1d775da5fc72a32d.tar.gz src-4f249023a475d2051cca979a1d775da5fc72a32d.zip |
Track libc_r addition of semaphores implementation.
Approved by: jkh
Notes
Notes:
svn path=/head/; revision=56321
Diffstat (limited to 'sys/sys/semaphore.h')
-rw-r--r-- | sys/sys/semaphore.h | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/sys/sys/semaphore.h b/sys/sys/semaphore.h index e97abee4f67a..9741b068add4 100644 --- a/sys/sys/semaphore.h +++ b/sys/sys/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 |