minix/include/ddekit/lock.h

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2011-02-25 13:31:20 +01:00
#ifndef _DDEKIT_LOCK_H
#define _DDEKIT_LOCK_H
#include <ddekit/ddekit.h>
struct ddekit_lock;
typedef struct ddekit_lock *ddekit_lock_t;
/* Initialize a DDEKit unlocked lock. */
#define ddekit_lock_init ddekit_lock_init_unlocked
/* Initialize a DDEKit unlocked lock. */
_PROTOTYPE( void ddekit_lock_init_unlocked, (ddekit_lock_t *mtx));
/* Initialize a DDEKit locked lock. */
_PROTOTYPE( void ddekit_lock_init_locked, (ddekit_lock_t *mtx));
/* Uninitialize a DDEKit lock. */
_PROTOTYPE( void ddekit_lock_deinit, (ddekit_lock_t *mtx));
/* Acquire a lock. */
_PROTOTYPE( void ddekit_lock_lock, (ddekit_lock_t *mtx));
/* Acquire a lock, non-blocking. */
_PROTOTYPE( int ddekit_lock_try_lock, (ddekit_lock_t *mtx));
/* Unlock function. */
_PROTOTYPE( void ddekit_lock_unlock, (ddekit_lock_t *mtx));
/* Get lock owner. */
_PROTOTYPE( int ddekit_lock_owner, (ddekit_lock_t *mtx));
#endif