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