minix/include/ddekit/lock.h
Ben Gras 6a73e85ad1 retire _PROTOTYPE
. only good for obsolete K&R support
	. also remove a stray ansi.h and the proto cmd
2012-03-25 16:17:10 +02:00

34 lines
788 B
C

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