From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- hurd/hurdfault.h | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 hurd/hurdfault.h (limited to 'hurd/hurdfault.h') diff --git a/hurd/hurdfault.h b/hurd/hurdfault.h new file mode 100644 index 0000000000..00ec905925 --- /dev/null +++ b/hurd/hurdfault.h @@ -0,0 +1,49 @@ +/* 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 + +/* 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 */ -- cgit 1.4.1