tsemaphore.c File Reference

#include <pthread.h>
#include <sys/time.h>
#include <errno.h>
#include "tsemaphore.h"
#include "user_debug_levels.h"

Go to the source code of this file.

Functions
void	tsem_init (tsem_t *tsem, unsigned int val)
void	tsem_deinit (tsem_t *tsem)
void	tsem_down (tsem_t *tsem)
void	tsem_up (tsem_t *tsem)
void	tsem_reset (tsem_t *tsem)
void	tsem_wait (tsem_t *tsem)
void	tsem_signal (tsem_t *tsem)

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Function Documentation

void tsem_deinit

(

tsem_t *

tsem

)

Destroy the semaphore

Parameters:

tsem

the semaphore to destroy

Definition at line 52 of file test/components/common/tsemaphore.c.

References tsem_t::condition, and tsem_t::mutex.

void tsem_down

(

tsem_t *

tsem

)

Decreases the value of the semaphore. Blocks if the semaphore value is zero.

Parameters:

tsem

the semaphore to decrease

Definition at line 62 of file test/components/common/tsemaphore.c.

References tsem_t::condition, tsem_t::mutex, and tsem_t::semval.

void tsem_init	(	tsem_t *	tsem,
		unsigned int	val
	)

Initializes the semaphore at a given value

Parameters:

	tsem	the semaphore to initialize
	val	the initial value of the semaphore

Definition at line 42 of file test/components/common/tsemaphore.c.

References tsem_t::condition, tsem_t::mutex, and tsem_t::semval.

void tsem_reset

(

tsem_t *

tsem

)

Reset the value of the semaphore

Parameters:

tsem

the semaphore to reset

Definition at line 86 of file test/components/common/tsemaphore.c.

References tsem_t::mutex, and tsem_t::semval.

void tsem_signal

(

tsem_t *

tsem

)

Signal the condition,if waiting

Parameters:

tsem

the semaphore to signal

Definition at line 106 of file test/components/common/tsemaphore.c.

References tsem_t::condition, and tsem_t::mutex.

void tsem_up

(

tsem_t *

tsem

)

Increases the value of the semaphore

Parameters:

tsem

the semaphore to increase

Definition at line 75 of file test/components/common/tsemaphore.c.

References tsem_t::condition, tsem_t::mutex, and tsem_t::semval.

void tsem_wait

(

tsem_t *

tsem

)

Wait on the condition.

Parameters:

tsem

the semaphore to wait

Definition at line 96 of file test/components/common/tsemaphore.c.

References tsem_t::condition, and tsem_t::mutex.