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| author | jhb <jhb@FreeBSD.org> | 2005-06-23 21:55:11 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2005-06-23 21:55:11 +0000 |
| commit | 1de20fc8107f79bbf674b04119ecb0b2c73e8e02 (patch) | |
| tree | 5a5f77d65e440e11487fc21bec66ef8abf140fc5 /sys/sys/mutex.h | |
| parent | 4e2603348a74cac9fc901cb90da392ead7565750 (diff) | |
| download | FreeBSD-src-1de20fc8107f79bbf674b04119ecb0b2c73e8e02.zip FreeBSD-src-1de20fc8107f79bbf674b04119ecb0b2c73e8e02.tar.gz | |
Adjust some comments to be a bit more correct.
Approved by: re (scottl)
Diffstat (limited to 'sys/sys/mutex.h')
| -rw-r--r-- | sys/sys/mutex.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/sys/mutex.h b/sys/sys/mutex.h index 3942a5a..b2b678e 100644 --- a/sys/sys/mutex.h +++ b/sys/sys/mutex.h @@ -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) |
