// sighandlers.h                                               -*- C++ -*-
/*

Copyright (C) 1992, 1993 John W. Eaton

This file is part of Octave.

Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.

Octave 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 General Public License
for more details.

You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING.  If not, write to the Free
Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#if !defined (_sighandlers_h)
#define _sighandlers_h 1

// Signal handler return type.
#ifndef RETSIGTYPE
#define RETSIGTYPE void
#endif
#ifndef BADSIG
#define BADSIG (RETSIGTYPE (*)(int))-1
#endif

typedef RETSIGTYPE sig_handler (int);

// Nonzero means we have already printed a message for this series of
// SIGPIPES.  We assume that the writer will eventually give up.
extern int pipe_handler_error_count;

// Nonzero means we can be interrupted.
extern int can_interrupt;

extern void install_signal_handlers (void);

#endif

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