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// This may look like C code, but it is really -*- C++ -*-
/*
Copyright (C) 1989 Free Software Foundation
written by Doug Lea (dl@rocky.oswego.edu)
This file is part of the GNU C++ Library. This 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. This 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 this library; if not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _signal_h
#include <_G_config.h>
extern "C" {
#ifdef __signal_h_recursive
#include_next <signal.h>
#else
#define __signal_h_recursive
#define signal __hide_signal
#define psignal __hide_psignal
#include_next <signal.h>
#undef signal
#undef psignal
#define _signal_h 1
// The Interviews folks call this SignalHandler. Might as well conform.
typedef _G_signal_return_type (*SignalHandler) (...);
typedef int (*SSignalHandler) (...);
extern SignalHandler signal _G_ARGS((int sig, SignalHandler action));
//extern SignalHandler sigset _G_ARGS((int sig, SignalHandler action));
extern SSignalHandler ssignal _G_ARGS((int sig, SSignalHandler action));
extern int gsignal _G_ARGS((int sig));
extern int kill _G_ARGS((_G_pid_t pid, int sig));
extern int killpg _G_ARGS((int, int));
extern int siginterrupt _G_ARGS((int, int));
extern void psignal _G_ARGS((unsigned, const char*));
#ifndef hpux // Interviews folks claim that hpux doesn't like these
extern int sigsetmask _G_ARGS((int mask));
extern int sigblock _G_ARGS((int mask));
extern int sigpause _G_ARGS((int mask));
extern int sigvec _G_ARGS((int, struct sigvec*, struct sigvec*));
#endif
// The Interviews version also has these ...
#define SignalBad ((SignalHandler)-1)
#define SignalDefault ((SignalHandler)0)
#define SignalIgnore ((SignalHandler)1)
#undef BADSIG
#undef SIG_DFL
#undef SIG_IGN
#define BAD_SIG SignalBad
#define SIG_DFL SignalDefault
#define SIG_IGN SignalIgnore
#endif
}
#endif
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