summaryrefslogtreecommitdiffstats
path: root/sys/posix4/semaphore.h
diff options
context:
space:
mode:
authormike <mike@FreeBSD.org>2002-10-04 21:31:33 +0000
committermike <mike@FreeBSD.org>2002-10-04 21:31:33 +0000
commit308c69ee6a0c88f6783afba7505bc043dbc4e918 (patch)
tree82bea680d71147f2d60a180167c7f814485a14c4 /sys/posix4/semaphore.h
parent1ed00d451b97e1d2bddbaad5568f86b26b9082e4 (diff)
downloadFreeBSD-src-308c69ee6a0c88f6783afba7505bc043dbc4e918.zip
FreeBSD-src-308c69ee6a0c88f6783afba7505bc043dbc4e918.tar.gz
o Adjust the SEM_VALUE_MAX macro so that <machine/limits.h> isn't
needed. o Remove unneeded includes which only add namespace pollution. o Sort function prototypes. o Add restrict type-qualifier to sem_getvalue().
Diffstat (limited to 'sys/posix4/semaphore.h')
-rw-r--r--sys/posix4/semaphore.h20
1 files changed, 6 insertions, 14 deletions
diff --git a/sys/posix4/semaphore.h b/sys/posix4/semaphore.h
index a4ee56e5..b717b98 100644
--- a/sys/posix4/semaphore.h
+++ b/sys/posix4/semaphore.h
@@ -37,34 +37,26 @@
#ifndef _SEMAPHORE_H_
#define _SEMAPHORE_H_
-#include <sys/_posix.h>
-#include <machine/limits.h>
-
-#ifdef _P1003_1B_INCLUDE_MAYBES
-#include <sys/types.h>
-#include <fcntl.h>
-#endif
-
/* Opaque type definition. */
struct sem;
typedef struct sem * sem_t;
#define SEM_FAILED ((sem_t *)0)
-#define SEM_VALUE_MAX UINT_MAX
+#define SEM_VALUE_MAX (~0U) /* Equivalent to UINT_MAX. */
#ifndef _KERNEL
#include <sys/cdefs.h>
__BEGIN_DECLS
-int sem_init(sem_t *, int, unsigned int);
+int sem_close(sem_t *);
int sem_destroy(sem_t *);
+int sem_getvalue(sem_t * __restrict, int * __restrict);
+int sem_init(sem_t *, int, unsigned int);
sem_t *sem_open(const char *, int, ...);
-int sem_close(sem_t *);
+int sem_post(sem_t *);
+int sem_trywait(sem_t *);
int sem_unlink(const char *);
int sem_wait(sem_t *);
-int sem_trywait(sem_t *);
-int sem_post(sem_t *);
-int sem_getvalue(sem_t *, int *);
__END_DECLS
#endif
OpenPOWER on IntegriCloud