| /* 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 */ |