54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
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#ifndef _DDEKIT_SEMAPHORE_H
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#define _DDEKIT_SEMAPHORE_H
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#include <ddekit/ddekit.h>
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/** \defgroup DDEKit_synchronization */
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struct ddekit_sem;
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typedef struct ddekit_sem ddekit_sem_t;
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/** Initialize DDEKit semaphore.
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*
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* \ingroup DDEKit_synchronization
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*
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* \param value initial semaphore counter
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*/
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_PROTOTYPE( ddekit_sem_t *ddekit_sem_init, (int value));
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/** Uninitialize semaphore.
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*
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* \ingroup DDEKit_synchronization
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*/
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_PROTOTYPE( void ddekit_sem_deinit, (ddekit_sem_t *sem));
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/** Semaphore down method. */
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_PROTOTYPE( void ddekit_sem_down, (ddekit_sem_t *sem));
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/** Semaphore down method, non-blocking.
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*
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* \ingroup DDEKit_synchronization
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*
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* \return 0 success
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* \return !=0 would block
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*/
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_PROTOTYPE( int ddekit_sem_down_try, (ddekit_sem_t *sem));
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/** Semaphore down with timeout.
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*
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* \ingroup DDEKit_synchronization
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*
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* \return 0 success
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* \return !=0 would block
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*/
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_PROTOTYPE( int ddekit_sem_down_timed, (ddekit_sem_t *sem, int timo));
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/** Semaphore up method.
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*
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* \ingroup DDEKit_synchronization
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*/
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_PROTOTYPE( void ddekit_sem_up, (ddekit_sem_t *sem));
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#endif
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