1 files changed, 34 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/pause.c b/sysdeps/unix/sysv/linux/pause.c
new file mode 100644
index 0000000000..7b90365b98
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/pause.c
@@ -0,0 +1,34 @@
+/* Linux pause syscall implementation.
+   Copyright (C) 2017-2018 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/>.  */
+
+#include <signal.h>
+#include <unistd.h>
+#include <sysdep-cancel.h>
+
+/* Suspend the process until a signal arrives.
+   This always returns -1 and sets errno to EINTR.  */
+int
+__libc_pause (void)
+{
+#ifdef __NR_pause
+  return SYSCALL_CANCEL (pause);
+#else
+  return SYSCALL_CANCEL (ppoll, NULL, 0, NULL, NULL);
+#endif
+}
+weak_alias (__libc_pause, pause)