hc
2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __SND_SEQ_LOCK_H
#define __SND_SEQ_LOCK_H
 
#include <linux/sched.h>
 
typedef atomic_t snd_use_lock_t;
 
/* initialize lock */
#define snd_use_lock_init(lockp) atomic_set(lockp, 0)
 
/* increment lock */
#define snd_use_lock_use(lockp) atomic_inc(lockp)
 
/* release lock */
#define snd_use_lock_free(lockp) atomic_dec(lockp)
 
/* wait until all locks are released */
void snd_use_lock_sync_helper(snd_use_lock_t *lock, const char *file, int line);
#define snd_use_lock_sync(lockp) snd_use_lock_sync_helper(lockp, __BASE_FILE__, __LINE__)
 
#endif /* __SND_SEQ_LOCK_H */