[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/sunrpc/create_xid.c b/ap/libc/glibc/glibc-2.23/sunrpc/create_xid.c
new file mode 100644
index 0000000..7c79235
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/sunrpc/create_xid.c
@@ -0,0 +1,55 @@
+/* Copyright (c) 1998-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1998.
+
+ 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 <unistd.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#include <libc-lock.h>
+#include <rpc/rpc.h>
+
+/* The RPC code is not threadsafe, but new code should be threadsafe. */
+
+__libc_lock_define_initialized (static, createxid_lock)
+
+static pid_t is_initialized;
+static struct drand48_data __rpc_lrand48_data;
+
+unsigned long
+_create_xid (void)
+{
+ long int res;
+
+ __libc_lock_lock (createxid_lock);
+
+ pid_t pid = getpid ();
+ if (is_initialized != pid)
+ {
+ struct timeval now;
+
+ __gettimeofday (&now, (struct timezone *) 0);
+ __srand48_r (now.tv_sec ^ now.tv_usec ^ pid,
+ &__rpc_lrand48_data);
+ is_initialized = pid;
+ }
+
+ lrand48_r (&__rpc_lrand48_data, &res);
+
+ __libc_lock_unlock (createxid_lock);
+
+ return res;
+}