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