1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/pthread/thrd_sleep.c b/sysdeps/pthread/thrd_sleep.c
new file mode 100644
index 0000000000..c9805d5fd1
--- /dev/null
+++ b/sysdeps/pthread/thrd_sleep.c
@@ -0,0 +1,36 @@
+/* C11 threads thread sleep implementation.
+   Copyright (C) 2018-2020 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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <time.h>
+#include <sysdep-cancel.h>
+
+#include "thrd_priv.h"
+
+int
+thrd_sleep (const struct timespec* time_point, struct timespec* remaining)
+{
+  int ret = __clock_nanosleep (CLOCK_REALTIME, 0, time_point, remaining);
+  /* C11 states thrd_sleep function returns -1 if it has been interrupted
+     by a signal, or a negative value if it fails.  */
+  switch (ret)
+  {
+     case 0:      return 0;
+     case EINTR:  return -1;
+     default:     return -2;
+  }
+}