[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/benchtests/pthread_once-source.c b/ap/libc/glibc/glibc-2.22/benchtests/pthread_once-source.c
new file mode 100644
index 0000000..2eabe7d
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/benchtests/pthread_once-source.c
@@ -0,0 +1,25 @@
+/* Measure pthread_once best-case latency (i.e., when already initialized.
+
+   Copyright (C) 2014-2015 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/>.  */
+
+static pthread_once_t once = PTHREAD_ONCE_INIT;
+
+static void
+once_handler (void)
+{
+}