[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/signal/sigismem.c b/ap/libc/glibc/glibc-2.23/signal/sigismem.c
new file mode 100644
index 0000000..ead8a05
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/signal/sigismem.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 1991-2016 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/>. */
+
+#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)