[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/mach/mutex-solid.c b/ap/libc/glibc/glibc-2.23/mach/mutex-solid.c
new file mode 100644
index 0000000..5107c4c
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/mach/mutex-solid.c
@@ -0,0 +1,36 @@
+/* Stub versions of mutex_lock_solid/mutex_unlock_solid for no -lthreads.
+ Copyright (C) 1995-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <lock-intern.h>
+#include <cthreads.h>
+
+/* If cthreads is linked in, it will define these functions itself to do
+ real cthreads mutex locks. This file will only be linked in when
+ cthreads is not used, and `mutexes' are in fact just spin locks (and
+ some unused storage). */
+
+void
+__mutex_lock_solid (void *lock)
+{
+ __spin_lock_solid (lock);
+}
+
+void
+__mutex_unlock_solid (void *lock)
+{
+}