[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/bits/sigthread.h b/ap/libc/glibc/glibc-2.22/bits/sigthread.h
new file mode 100644
index 0000000..e4ce536
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+++ b/ap/libc/glibc/glibc-2.22/bits/sigthread.h
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+/* Signal handling function for threaded programs.  Generic version.
+   Copyright (C) 2000-2015 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/>.  */
+
+#ifndef _BITS_SIGTHREAD_H
+#define _BITS_SIGTHREAD_H	1
+
+#if !defined _SIGNAL_H && !defined _PTHREAD_H
+# error "Never include this file directly.  Use <pthread.h> instead"
+#endif
+
+/* Modify the signal mask for the calling thread.  The arguments have the
+   same meaning as for sigprocmask; in fact, this and sigprocmask might be
+   the same function.  We declare this the same on all platforms, since it
+   doesn't use any thread-related types.  */
+extern int pthread_sigmask (int __how, const __sigset_t *__newmask,
+			    __sigset_t *__oldmask) __THROW;
+
+
+#endif	/* bits/sigthread.h */