[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/nptl/tst-atfork2mod.c b/ap/libc/glibc/glibc-2.23/nptl/tst-atfork2mod.c
new file mode 100644
index 0000000..7c592b4
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/nptl/tst-atfork2mod.c
@@ -0,0 +1,57 @@
+/* Copyright (C) 2003-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ 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 <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+extern int val;
+
+
+static void
+prepare (void)
+{
+ ++val;
+}
+
+static void
+parent (void)
+{
+ val *= 4;
+}
+
+static void
+child (void)
+{
+ val *= 8;
+}
+
+static void
+__attribute__ ((constructor))
+init (void)
+{
+ extern void *__dso_handle;
+ printf ("dsohandle = %p\n", __dso_handle);
+
+ if (pthread_atfork (prepare, parent, child) != 0)
+ {
+ puts ("init: atfork failed");
+ exit (1);
+ }
+}