Date: Sun, 25 Mar 2012 02:05:43 +0000 (UTC) From: David Xu <davidxu@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r233443 - user/davidxu/pth_objdestroy/lib/libthr/thread Message-ID: <201203250205.q2P25hKd058575@svn.freebsd.org>
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Author: davidxu Date: Sun Mar 25 02:05:43 2012 New Revision: 233443 URL: http://svn.freebsd.org/changeset/base/233443 Log: Use optimistic version of THR_LOCK_RELEASE which is better when lock is contented. Modified: user/davidxu/pth_objdestroy/lib/libthr/thread/thr_sleepq.c Modified: user/davidxu/pth_objdestroy/lib/libthr/thread/thr_sleepq.c ============================================================================== --- user/davidxu/pth_objdestroy/lib/libthr/thread/thr_sleepq.c Sun Mar 25 02:03:22 2012 (r233442) +++ user/davidxu/pth_objdestroy/lib/libthr/thread/thr_sleepq.c Sun Mar 25 02:05:43 2012 (r233443) @@ -90,7 +90,7 @@ _sleepq_unlock(void *wchan) struct pthread *curthread = _get_curthread(); sc = SC_LOOKUP(wchan); - THR_LOCK_RELEASE(curthread, &sc->sc_lock); + THR_LOCK_RELEASE_OPT(curthread, &sc->sc_lock); } struct sleepqueue *
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