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* lib/sighandle.h, lib/sighandle.C: signal handling code, new 

files.

svn path=/trunk/boinc/; revision=3090
This commit is contained in:
Kevin Dalley 2004-03-17 05:01:41 +00:00
parent 6f53b88c4e
commit e38ea5f90e
2 changed files with 103 additions and 0 deletions
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// The contents of this file are subject to the BOINC Public License
// Version 1.0 (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at
// http://boinc.berkeley.edu/license_1.0.txt
//
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
// License for the specific language governing rights and limitations
// under the License.
//
// The Original Code is the Berkeley Open Infrastructure for Network Computing.
//
// The Initial Developer of the Original Code is the SETI@home project.
// Portions created by the SETI@home project are Copyright (C) 2002
// University of California at Berkeley. All Rights Reserved.
//
// Contributor(s):
// Thomas Horsten <thomas@horsten.com>
//
#ifdef _WIN32
#include "stdafx.h"
#else
#include "config.h"
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include "sighandle.h"
#ifdef HAVE_SIGNAL_H
// Set a signal handler but only if it is not currently ignored
void boinc_set_signal_handler(int sig, RETSIGTYPE (*handler)(int))
{
#ifdef HAVE_SIGACTION
struct sigaction temp;
sigaction(sig, NULL, &temp);
if (temp.sa_handler != SIG_IGN) {
temp.sa_handler = handler;
sigemptyset(&temp.sa_mask);
sigaction(sig, &temp, NULL);
}
#else
void (*temp)(int);
temp = signal(sig, boinc_catch_signal);
if (temp == SIG_IGN) {
signal(sig, SIG_IGN);
}
#endif /* HAVE_SIGACTION */
}
// Set a signal handler but even if it is currently ignored
void boinc_set_signal_handler_force(int sig, RETSIGTYPE (*handler)(int))
{
#ifdef HAVE_SIGACTION
struct sigaction temp;
sigaction(sig, NULL, &temp);
temp.sa_handler = handler;
sigemptyset(&temp.sa_mask);
sigaction(sig, &temp, NULL);
#else
void (*temp)(int);
temp = signal(sig, boinc_catch_signal);
signal(sig, SIG_IGN);
#endif /* HAVE_SIGACTION */
}
#endif /* HAVE_SIGNAL_H */

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// The contents of this file are subject to the BOINC Public License
// Version 1.0 (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at
// http://boinc.berkeley.edu/license_1.0.txt
//
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
// License for the specific language governing rights and limitations
// under the License.
//
// The Original Code is the Berkeley Open Infrastructure for Network Computing.
//
// The Initial Developer of the Original Code is the SETI@home project.
// Portions created by the SETI@home project are Copyright (C) 2002
// University of California at Berkeley. All Rights Reserved.
//
// Contributor(s):
#ifndef SIGHANDLE_H
#define SIGHANDLE_H
#ifdef _WIN32
#include "stdafx.h"
#else
#include "config.h"
#endif
void boinc_set_signal_handler(int sig, RETSIGTYPE (*handler)(int));
void boinc_set_signal_handler_force(int sig, RETSIGTYPE (*handler)(int));
#endif /* SIGHANDLE_H */