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-rw-r--r--signal/sigempty.c32
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diff --git a/signal/sigempty.c b/signal/sigempty.c
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+++ b/signal/sigempty.c
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+/* Copyright (C) 1991 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include "sigsetops.h"
+
+/* Clear all signals from SET.  */
+int
+DEFUN(sigemptyset, (set), sigset_t *set)
+{
+  if (set == NULL)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+
+  return __sigemptyset (set);
+}