[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/hurd/hurdfault.h b/ap/libc/glibc/glibc-2.23/hurd/hurdfault.h
new file mode 100644
index 0000000..075955b
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/hurd/hurdfault.h
@@ -0,0 +1,50 @@
+/* Declarations for handling faults in the signal thread.
+ Copyright (C) 1994-2016 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/>. */
+
+#ifndef _HURD_FAULT_H
+#define _HURD_FAULT_H
+
+#include <hurd/sigpreempt.h>
+#include <setjmp.h>
+
+/* Call this before code that might fault in the signal thread; SIGNO is
+ the signal expected to possibly arrive. This behaves like setjmp: it
+ returns zero the first time, and returns again nonzero if the signal
+ does arrive. */
+
+#define _hurdsig_catch_fault(sigset, firstcode, lastcode) \
+ (_hurdsig_fault_preemptor.signals = (sigset), \
+ _hurdsig_fault_preemptor.first = (long int) (firstcode), \
+ _hurdsig_fault_preemptor.last = (long int) (lastcode), \
+ setjmp (_hurdsig_fault_env))
+
+/* Call this at the end of a section protected by _hurdsig_catch_fault. */
+
+#define _hurdsig_end_catch_fault() \
+ (_hurdsig_fault_preemptor.signals = 0)
+
+extern jmp_buf _hurdsig_fault_env;
+extern struct hurd_signal_preemptor _hurdsig_fault_preemptor;
+
+
+#define _hurdsig_catch_memory_fault(object) \
+ _hurdsig_catch_fault (sigmask (SIGSEGV) | sigmask (SIGBUS), \
+ (object), (object) + 1)
+
+
+#endif /* hurdfault.h */