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Adjust some comments to be a bit more correct.

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Approved by:	re (scottl)
This commit is contained in:
John Baldwin 2005-06-23 21:55:11 +00:00
parent dc802c0628
commit 849bfaf9af
1 changed files with 3 additions and 3 deletions
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6
sys/sys/mutex.h
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@ -124,19 +124,19 @@ void _mtx_assert(struct mtx *m, int what, const char *file, int line);
* here, if they are not already defined in the machine-dependent mutex.h
*/
/* Actually obtain mtx_lock */
/* Try to obtain mtx_lock once. */
#ifndef _obtain_lock
#define _obtain_lock(mp, tid) \
atomic_cmpset_acq_ptr(&(mp)->mtx_lock, (void *)MTX_UNOWNED, (tid))
#endif
/* Actually release mtx_lock */
/* Try to release mtx_lock if it is unrecursed and uncontested. */
#ifndef _release_lock
#define _release_lock(mp, tid) \
atomic_cmpset_rel_ptr(&(mp)->mtx_lock, (tid), (void *)MTX_UNOWNED)
#endif
/* Actually release mtx_lock quickly, assuming we own it. */
/* Release mtx_lock quickly, assuming we own it. */
#ifndef _release_lock_quick
#define _release_lock_quick(mp) \
atomic_store_rel_ptr(&(mp)->mtx_lock, (void *)MTX_UNOWNED)