initial import

1 files changed, 49 insertions, 0 deletions

diff --git a/hurd/hurdfault.h b/hurd/hurdfault.h
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+++ b/hurd/hurdfault.h
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+/* Declarations for handling faults in the signal thread.
+Copyright (C) 1994 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#ifndef _HURD_FAULT_H
+#define _HURD_FAULT_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(signo) \
+  (_hurdsig_fault_expect_signo = (signo), setjmp (_hurdsig_fault_env))
+
+/* Call this at the end of a section protected by _hurdsig_catch_fault.  */
+
+#define _hurdsig_end_catch_fault() \
+  (_hurdsig_fault_expect_signo = 0)
+
+extern jmp_buf _hurdsig_fault_env;
+extern int _hurdsig_fault_expect_signo;
+
+/* If _hurdsig_catch_fault returns nonzero, these variables
+   contain information about the signal that arrived.  */
+
+
+
+extern long int _hurdsig_fault_sigcode;
+extern int _hurdsig_fault_sigerror;
+
+#endif	/* hurd/fault.h */