1 files changed, 51 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/posix/sigsuspend.c b/REORG.TODO/sysdeps/posix/sigsuspend.c
new file mode 100644
index 0000000000..336a2e773e
--- /dev/null
+++ b/REORG.TODO/sysdeps/posix/sigsuspend.c
@@ -0,0 +1,51 @@
+/* Copyright (C) 1991-2017 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 <errno.h>
+#include <signal.h>
+#include <stddef.h>
+#include <unistd.h>
+
+
+/* Change the set of blocked signals to SET,
+   wait until a signal arrives, and restore the set of blocked signals.  */
+int
+__sigsuspend (const sigset_t *set)
+{
+  sigset_t oset;
+  int save;
+
+  if (set == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (sigprocmask (SIG_SETMASK, set, &oset) < 0)
+    return -1;
+
+  (void) pause();
+  save = errno;
+
+  if (sigprocmask (SIG_SETMASK, &oset, (sigset_t *) NULL) < 0)
+    return -1;
+
+  __set_errno (save);
+  return -1;
+}
+libc_hidden_def (__sigsuspend)
+weak_alias (__sigsuspend, sigsuspend)