1 files changed, 34 insertions, 0 deletions
diff --git a/support/xsignal.h b/support/xsignal.h
new file mode 100644
index 0000000000..b10521484c
--- /dev/null
+++ b/support/xsignal.h
@@ -0,0 +1,34 @@
+/* Support functionality for using signals.
+   Copyright (C) 2016 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/>.  */
+
+#ifndef SUPPORT_SIGNAL_H
+#define SUPPORT_SIGNAL_H
+
+#include <signal.h>
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+/* The following functions call the corresponding libpthread functions
+   and terminate the process on error.  */
+
+void xpthread_sigmask (int how, const sigset_t *set, sigset_t *oldset);
+
+__END_DECLS
+
+#endif /* SUPPORT_SIGNAL_H */