minix/include/ddekit/lock.h

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#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. */
void ddekit_lock_init_unlocked(ddekit_lock_t *mtx);
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/* Initialize a DDEKit locked lock. */
void ddekit_lock_init_locked(ddekit_lock_t *mtx);
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/* Uninitialize a DDEKit lock. */
void ddekit_lock_deinit(ddekit_lock_t *mtx);
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/* Acquire a lock. */
void ddekit_lock_lock(ddekit_lock_t *mtx);
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/* Acquire a lock, non-blocking. */
int ddekit_lock_try_lock(ddekit_lock_t *mtx);
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/* Unlock function. */
void ddekit_lock_unlock(ddekit_lock_t *mtx);
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/* Get lock owner. */
int ddekit_lock_owner(ddekit_lock_t *mtx);
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#endif