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o Adjust the SEM_VALUE_MAX macro so that <machine/limits.h> isn't

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needed.
o Remove unneeded includes which only add namespace pollution.
o Sort function prototypes.
o Add restrict type-qualifier to sem_getvalue().
This commit is contained in:
Mike Barcroft 2002-10-04 21:31:33 +00:00
parent b18fda4edd
commit 696fbe6b05
2 changed files with 14 additions and 30 deletions
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22
sys/posix4/semaphore.h
View file

@ -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_destroy(sem_t *);
sem_t *sem_open(const char *, 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_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

22
sys/sys/semaphore.h
View file

@ -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_destroy(sem_t *);
sem_t *sem_open(const char *, 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_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