Date: Mon, 8 Nov 2010 00:42:33 +0000 (UTC) From: David Xu <davidxu@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r214967 - user/davidxu/libthr/lib/libthr/thread Message-ID: <201011080042.oA80gXAC097905@svn.freebsd.org>
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Author: davidxu Date: Mon Nov 8 00:42:32 2010 New Revision: 214967 URL: http://svn.freebsd.org/changeset/base/214967 Log: Oops, check c_refcount, if there is no time-shareing threads, we don't need wait. Modified: user/davidxu/libthr/lib/libthr/thread/thr_cond.c Modified: user/davidxu/libthr/lib/libthr/thread/thr_cond.c ============================================================================== --- user/davidxu/libthr/lib/libthr/thread/thr_cond.c Mon Nov 8 00:38:54 2010 (r214966) +++ user/davidxu/libthr/lib/libthr/thread/thr_cond.c Mon Nov 8 00:42:32 2010 (r214967) @@ -140,6 +140,8 @@ _pthread_cond_destroy(pthread_cond_t *co rval = EINVAL; else { cv = *cond; + if (cv->c_refcount == 0) + goto next; _thr_umtx_lock_spin(&cv->c_lock); while (cv->c_refcount != 0) { cv->c_destroying = 1; @@ -156,6 +158,7 @@ _pthread_cond_destroy(pthread_cond_t *co _thr_umtx_lock_spin(&cv->c_lock); } _thr_umtx_unlock(&cv->c_lock); + next: _thr_ucond_broadcast(&cv->c_kerncv); *cond = THR_COND_DESTROYED;
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