/usr/src/blcr-0.8.5/tests/bug2003_aux.c is in blcr-dkms 0.8.5-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | /*
* Berkeley Lab Checkpoint/Restart (BLCR) for Linux is Copyright (c)
* 2007, The Regents of the University of California, through Lawrence
* Berkeley National Laboratory (subject to receipt of any required
* approvals from the U.S. Dept. of Energy). All rights reserved.
*
* Portions may be copyrighted by others, as may be noted in specific
* copyright notices within specific files.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id: bug2003_aux.c,v 1.1 2007/06/01 22:03:38 phargrov Exp $
*
* Intentionally screw w/ sa_restorer.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include "blcr_common.h" /* For CR_SIGNUM */
int main(void) {
/* corrupt the sa_restorer!!
* This approximates what guile does when it saves/restores
* sa_sigaction and sa_flags w/o preserving sa_restorer.
*/
struct sigaction sa;
sigset_t mask;
(void)sigaction(CR_SIGNUM, NULL, &sa); /* Ignore any failure */
if (sa.sa_restorer) {
sa.sa_restorer = (void *)&abort;
(void)sigaction(CR_SIGNUM, &sa, NULL); /* Ignore any failure */
} else {
/* Don't mess w/ NULL */
}
/* Wait upto 30 seconds for the checkpoint */
(void)sigemptyset(&mask);
(void)alarm(30);
(void)sigsuspend(&mask);
(void)alarm(0);
return 0;
}
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