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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 int _hurdsig_fault_sigcode;
- extern int _hurdsig_fault_sigerror;
-
- #endif /* hurd/fault.h */
-