semaphore.h File Reference

Semaphore APIs. More...

#include <tinyara/config.h>
#include <stdint.h>
#include <limits.h>

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Data Structures
struct	semholder_s
	Structure of semholder. More...
struct	sem_s
	Structure of generic semaphore. More...

Macros
#define	EXTERN   extern
#define	SEMHOLDER_INITIALIZER   {NULL, NULL, 0}
#define	SEM_INITIALIZER(c)   {(c), NULL} /* semcount, hhead */
	Sem initializer. More...

Typedefs
typedef struct sem_s	sem_t

Functions
int	sem_init (FAR sem_t *sem, int pshared, unsigned int value)
	POSIX APIs (refer to : http://pubs.opengroup.org/onlinepubs/9699919799/) More...
int	sem_destroy (FAR sem_t *sem)
	POSIX APIs (refer to : http://pubs.opengroup.org/onlinepubs/9699919799/) More...
int	sem_wait (FAR sem_t *sem)
	POSIX APIs (refer to : http://pubs.opengroup.org/onlinepubs/9699919799/) More...
int	sem_timedwait (FAR sem_t *sem, FAR const struct timespec *abstime)
	POSIX APIs (refer to : http://pubs.opengroup.org/onlinepubs/9699919799/) More...
int	sem_trywait (FAR sem_t *sem)
	POSIX APIs (refer to : http://pubs.opengroup.org/onlinepubs/9699919799/) More...
int	sem_post (FAR sem_t *sem)
	POSIX APIs (refer to : http://pubs.opengroup.org/onlinepubs/9699919799/) More...
int	sem_getvalue (FAR sem_t *sem, FAR int *sval)
	POSIX APIs (refer to : http://pubs.opengroup.org/onlinepubs/9699919799/) More...

Detailed Description

Semaphore APIs.

Definition in file semaphore.h.

Macro Definition Documentation

#define EXTERN   extern

Definition at line 77 of file semaphore.h.

#define SEMHOLDER_INITIALIZER   {NULL, NULL, 0}

Definition at line 105 of file semaphore.h.

Typedef Documentation

typedef struct sem_s sem_t

Definition at line 131 of file semaphore.h.