1 files changed, 34 insertions, 0 deletions
diff --git a/REORG.TODO/signal/sigismem.c b/REORG.TODO/signal/sigismem.c
new file mode 100644
index 0000000000..6ef4a4d19d
--- /dev/null
+++ b/REORG.TODO/signal/sigismem.c
@@ -0,0 +1,34 @@
+/* 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 <sigsetops.h>
+
+/* Return 1 if SIGNO is in SET, 0 if not.  */
+int
+sigismember (const sigset_t *set, int signo)
+{
+  if (set == NULL || signo <= 0 || signo >= NSIG)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  return __sigismember (set, signo);
+}
+libc_hidden_def (sigismember)