6816409 mutex_lock() for process robust mutex could not return EOWNERDEAD with 137111-01 or later

--HG--
rename : usr/src/lib/libc/common/sys/mmap.s => usr/src/lib/libc/common/sys/__mmap.s
rename : usr/src/lib/libc/common/sys/munmap.s => usr/src/lib/libc/common/sys/__munmap.s

1 files changed, 40 insertions, 0 deletions

diff --git a/usr/src/lib/libc/port/gen/munmap.c b/usr/src/lib/libc/port/gen/munmap.c
new file mode 100644
index 0000000000..c7d7b34f3f
--- /dev/null
+++ b/usr/src/lib/libc/port/gen/munmap.c
@@ -0,0 +1,40 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma weak _munmap = munmap
+
+#include "lint.h"
+#include <sys/mman.h>
+
+extern void unregister_locks(caddr_t, size_t);
+extern int __munmap(caddr_t, size_t);
+
+int
+munmap(caddr_t addr, size_t len)
+{
+	unregister_locks(addr, len);
+	return (__munmap(addr, len));
+}