Date: Wed, 29 Sep 2010 06:06:59 +0000 (UTC) From: David Xu <davidxu@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r213257 - head/lib/libthr/thread Message-ID: <201009290606.o8T66xja098067@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: davidxu Date: Wed Sep 29 06:06:58 2010 New Revision: 213257 URL: http://svn.freebsd.org/changeset/base/213257 Log: Check invalid mutex in _mutex_cv_unlock. Modified: head/lib/libthr/thread/thr_mutex.c Modified: head/lib/libthr/thread/thr_mutex.c ============================================================================== --- head/lib/libthr/thread/thr_mutex.c Wed Sep 29 02:36:58 2010 (r213256) +++ head/lib/libthr/thread/thr_mutex.c Wed Sep 29 06:06:58 2010 (r213257) @@ -636,6 +636,12 @@ _mutex_cv_unlock(pthread_mutex_t *mutex, struct pthread_mutex *m; m = *mutex; + if (__predict_false(m <= THR_MUTEX_DESTROYED)) { + if (m == THR_MUTEX_DESTROYED) + return (EINVAL); + return (EPERM); + } + /* * Check if the running thread is not the owner of the mutex. */
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201009290606.o8T66xja098067>