Date: Mon, 31 Mar 2008 02:55:50 +0000 (UTC) From: David Xu <davidxu@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/lib/libthr/thread thr_cond.c thr_private.h thr_rwlock.c Message-ID: <200803310255.m2V2toJl053104@repoman.freebsd.org>
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davidxu 2008-03-31 02:55:50 UTC
FreeBSD src repository
Modified files:
lib/libthr/thread thr_cond.c thr_private.h thr_rwlock.c
Log:
Rewrite rwlock to user atomic operations to change rwlock state, this
eliminates internal mutex lock contention when most rwlock operations
are read.
Orignal patch provided by: jeff
Revision Changes Path
1.24 +53 -0 src/lib/libthr/thread/thr_cond.c
1.86 +5 -1 src/lib/libthr/thread/thr_private.h
1.11 +222 -139 src/lib/libthr/thread/thr_rwlock.c
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