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| author | ups <ups@FreeBSD.org> | 2007-11-08 14:47:55 +0000 |
|---|---|---|
| committer | ups <ups@FreeBSD.org> | 2007-11-08 14:47:55 +0000 |
| commit | 9c75ede409d60f494cbb4b5c953e103ca672a0df (patch) | |
| tree | e657852bc96f8f77553f7abb0596889a6b8d5e00 /sys/sys/lock.h | |
| parent | 6d7755ffed75007fcc52c6aa8ee3347a280b4706 (diff) | |
| download | FreeBSD-src-9c75ede409d60f494cbb4b5c953e103ca672a0df.zip FreeBSD-src-9c75ede409d60f494cbb4b5c953e103ca672a0df.tar.gz | |
Initial checkin for rmlock (read mostly lock) a multi reader single writer
lock optimized for almost exclusive reader access. (see also rmlock.9)
TODO:
Convert to per cpu variables linkerset as soon as it is available.
Optimize UP (single processor) case.
Diffstat (limited to 'sys/sys/lock.h')
| -rw-r--r-- | sys/sys/lock.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/sys/lock.h b/sys/sys/lock.h index 6d35ce5..2a9c4aa 100644 --- a/sys/sys/lock.h +++ b/sys/sys/lock.h @@ -222,6 +222,7 @@ extern struct lock_class lock_class_mtx_sleep; extern struct lock_class lock_class_mtx_spin; extern struct lock_class lock_class_sx; extern struct lock_class lock_class_rw; +extern struct lock_class lock_class_rm; extern struct lock_class lock_class_lockmgr; extern struct lock_class *lock_classes[]; |
