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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2000-2002
* Sleepycat Software. All rights reserved.
*/
#include "db_config.h"
#ifndef lint
static const char revid[] = "$Id: util_sig.c,v 1.7 2002/02/02 17:04:42 bostic Exp $";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#include <signal.h>
#endif
#include "db_int.h"
static int interrupt;
static void onint __P((int));
/*
* onint --
* Interrupt signal handler.
*/
static void
onint(signo)
int signo;
{
if ((interrupt = signo) == 0)
interrupt = SIGINT;
}
/*
* __db_util_siginit --
*
* PUBLIC: void __db_util_siginit __P((void));
*/
void
__db_util_siginit()
{
/*
* Initialize the set of signals for which we want to clean up.
* Generally, we try not to leave the shared regions locked if
* we can.
*/
#ifdef SIGHUP
(void)signal(SIGHUP, onint);
#endif
(void)signal(SIGINT, onint);
#ifdef SIGPIPE
(void)signal(SIGPIPE, onint);
#endif
(void)signal(SIGTERM, onint);
}
/*
* __db_util_interrupted --
* Return if interrupted.
*
* PUBLIC: int __db_util_interrupted __P((void));
*/
int
__db_util_interrupted()
{
return (interrupt != 0);
}
/*
* __db_util_sigresend --
*
* PUBLIC: void __db_util_sigresend __P((void));
*/
void
__db_util_sigresend()
{
/* Resend any caught signal. */
if (interrupt != 0) {
(void)signal(interrupt, SIG_DFL);
(void)raise(interrupt);
/* NOTREACHED */
}
}
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