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From: David Xu <davidxu@FreeBSD.org>
Date: Fri, 27 Aug 2010 03:23:07 +0000 (UTC)
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Subject: svn commit: r211859 - head/lib/libthr/thread
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Author: davidxu
Date: Fri Aug 27 03:23:07 2010
New Revision: 211859
URL: http://svn.freebsd.org/changeset/base/211859

Log:
  clear lock to zero state if it is destroyed.

Modified:
  head/lib/libthr/thread/thr_rtld.c

Modified: head/lib/libthr/thread/thr_rtld.c
==============================================================================
--- head/lib/libthr/thread/thr_rtld.c	Fri Aug 27 02:46:21 2010	(r211858)
+++ head/lib/libthr/thread/thr_rtld.c	Fri Aug 27 03:23:07 2010	(r211859)
@@ -81,8 +81,11 @@ static void
 _thr_rtld_lock_destroy(void *lock)
 {
 	int locki;
+	size_t i;
 
 	locki = (struct rtld_lock *)lock - &lock_place[0];
+	for (i = 0; i < sizeof(struct rtld_lock); ++i)
+		((char *)lock)[i] = 0;
 	busy_places &= ~(1 << locki);
 }