#ifndef __SND_SEQ_LOCK_H #define __SND_SEQ_LOCK_H #include <linux/sched.h> #if defined([31mCONFIG_SMP[0m) || defined([31mCONFIG_SND_DEBUG[0m) 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__) #else /* SMP || CONFIG_SND_DEBUG */ typedef spinlock_t snd_use_lock_t; /* dummy */ #define snd_use_lock_init(lockp) /**/ #define snd_use_lock_use(lockp) /**/ #define snd_use_lock_free(lockp) /**/ #define snd_use_lock_sync(lockp) /**/ #endif /* SMP || CONFIG_SND_DEBUG */ #endif /* __SND_SEQ_LOCK_H */ |