/* 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 */