1 files changed, 37 insertions, 0 deletions
diff --git a/nptl/libc-pthread_once.c b/nptl/libc-pthread_once.c
new file mode 100644
index 0000000000..ed26e06e7f
--- /dev/null
+++ b/nptl/libc-pthread_once.c
@@ -0,0 +1,37 @@
+/* Copyright (C) 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/>.  */
+
+#ifdef HAVE_ASM_SECONDARY_DIRECTIVE
+#include "pthreadP.h"
+
+/* Make sure that it is used only when libpthread is not used.  */
+asm (".secondary __pthread_once");
+asm (".secondary pthread_once");
+
+int
+__pthread_once (pthread_once_t *once_control,
+		void (*init_routine) (void))
+{
+  if (*once_control == PTHREAD_ONCE_INIT)
+    {
+      init_routine ();
+      *once_control |= 2;
+    }
+  return 0;
+}
+strong_alias (__pthread_once, pthread_once)
+#endif