magic/utils/signals.h

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/*
* signals.h --
*
* Routines to signals, such as handle keyboard interrupts
*
* *********************************************************************
* * Copyright (C) 1985, 1990 Regents of the University of California. *
* * Permission to use, copy, modify, and distribute this *
* * software and its documentation for any purpose and without *
* * fee is hereby granted, provided that the above copyright *
* * notice appear in all copies. The University of California *
* * makes no representations about the suitability of this *
* * software for any purpose. It is provided "as is" without *
* * express or implied warranty. Export of this software outside *
* * of the United States of America may require an export license. *
* *********************************************************************
*
*
* rcsid[]="$Header: /usr/cvsroot/magic-8.0/utils/signals.h,v 1.1.1.1 2008/02/03 20:43:50 tim Exp $";
*/
#ifndef _MAGSIGNAL_H
#define _MAGSIGNAL_H
#include "utils/magic.h"
/* Some machines have signal handlers returning an int, while other machines
* have it returning a void. If you have a machine that requires ints put
* it in the list of machines in utils/magic.h.
*/
#ifdef SIG_RETURNS_INT
#define sigRetVal int
#define sigReturn return 0
#else
#define sigRetVal void
#define sigReturn return
#endif
/* data structures */
extern bool SigInterruptPending;
extern bool SigIOReady;
extern char SigInterruptOnSigIO;
extern bool SigGotSigWinch;
/* procedures */
extern void SigInit();
extern void SigDisableInterrupts();
extern void SigEnableInterrupts();
extern void SigWatchFile();
extern void SigUnWatchFile();
extern bool SigCheckProcess();
extern void SigSetTimer();
extern void SigTimerInterrupts();
extern void SigTimerDisplay();
extern sigRetVal sigOnInterrupt();
#endif /* _MAGSIGNAL_H */