mirror of https://github.com/BOINC/boinc.git
74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
// The contents of this file are subject to the BOINC Public License
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// Version 1.0 (the "License"); you may not use this file except in
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// compliance with the License. You may obtain a copy of the License at
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// http://boinc.berkeley.edu/license_1.0.txt
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//
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// Software distributed under the License is distributed on an "AS IS"
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// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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// License for the specific language governing rights and limitations
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// under the License.
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//
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// The Original Code is the Berkeley Open Infrastructure for Network Computing.
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//
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// The Initial Developer of the Original Code is the SETI@home project.
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// Portions created by the SETI@home project are Copyright (C) 2002
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// University of California at Berkeley. All Rights Reserved.
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//
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// Contributor(s):
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// Thomas Horsten <thomas@horsten.com>
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//
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#ifdef _WIN32
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#include "stdafx.h"
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#else
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#include "config.h"
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#endif
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#ifdef HAVE_SIGNAL_H
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#include <signal.h>
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#endif
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#include "sighandle.h"
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#ifdef HAVE_SIGNAL_H
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// Set a signal handler only if it is not currently ignored
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//
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void boinc_set_signal_handler(int sig, RETSIGTYPE (*handler)(int)) {
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#ifdef HAVE_SIGACTION
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struct sigaction temp;
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sigaction(sig, NULL, &temp);
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if (temp.sa_handler != SIG_IGN) {
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temp.sa_handler = handler;
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sigemptyset(&temp.sa_mask);
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sigaction(sig, &temp, NULL);
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}
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#else
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void (*temp)(int);
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temp = signal(sig, boinc_catch_signal);
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if (temp == SIG_IGN) {
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signal(sig, SIG_IGN);
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}
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#endif /* HAVE_SIGACTION */
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}
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// Set a signal handler even if it is currently ignored
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//
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void boinc_set_signal_handler_force(int sig, RETSIGTYPE (*handler)(int)) {
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#ifdef HAVE_SIGACTION
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struct sigaction temp;
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sigaction(sig, NULL, &temp);
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temp.sa_handler = handler;
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sigemptyset(&temp.sa_mask);
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sigaction(sig, &temp, NULL);
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#else
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void (*temp)(int);
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temp = signal(sig, boinc_catch_signal);
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signal(sig, SIG_IGN);
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#endif /* HAVE_SIGACTION */
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}
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#endif /* HAVE_SIGNAL_H */
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