~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/sound/core/seq/seq_lock.h

Version: ~ [ linux-5.10-rc1 ] ~ [ linux-5.9.1 ] ~ [ linux-5.8.16 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.72 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.152 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.202 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.240 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.240 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 #ifndef __SND_SEQ_LOCK_H
  2 #define __SND_SEQ_LOCK_H
  3 
  4 #include <linux/sched.h>
  5 
  6 #if defined(CONFIG_SMP) || defined(CONFIG_SND_DEBUG)
  7 
  8 typedef atomic_t snd_use_lock_t;
  9 
 10 /* initialize lock */
 11 #define snd_use_lock_init(lockp) atomic_set(lockp, 0)
 12 
 13 /* increment lock */
 14 #define snd_use_lock_use(lockp) atomic_inc(lockp)
 15 
 16 /* release lock */
 17 #define snd_use_lock_free(lockp) atomic_dec(lockp)
 18 
 19 /* wait until all locks are released */
 20 void snd_use_lock_sync_helper(snd_use_lock_t *lock, const char *file, int line);
 21 #define snd_use_lock_sync(lockp) snd_use_lock_sync_helper(lockp, __BASE_FILE__, __LINE__)
 22 
 23 #else /* SMP || CONFIG_SND_DEBUG */
 24 
 25 typedef spinlock_t snd_use_lock_t;      /* dummy */
 26 #define snd_use_lock_init(lockp) /**/
 27 #define snd_use_lock_use(lockp) /**/
 28 #define snd_use_lock_free(lockp) /**/
 29 #define snd_use_lock_sync(lockp) /**/
 30 
 31 #endif /* SMP || CONFIG_SND_DEBUG */
 32 
 33 #endif /* __SND_SEQ_LOCK_H */
 34 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp