/usr/src/blcr-0.8.2/tests/lam.c is in blcr-dkms 0.8.2-15ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | /*
* Berkeley Lab Checkpoint/Restart (BLCR) for Linux is Copyright (c)
* 2003, 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: lam.c,v 1.2 2008/12/05 23:15:21 phargrov Exp $
*
* Test exec from restart portion of signal callback, in presence of a
* thread callback. This is the "pattern" of LAM/MPI's mpirun.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "crut.h"
static int thread_callback(void *arg)
{
(void)cr_checkpoint(CR_CHECKPOINT_READY);
return 0;
}
static int signal_callback(void *arg)
{
int rc = cr_checkpoint(CR_CHECKPOINT_READY);
if (rc > 0) {
execl("/bin/true", "true", NULL);
}
return 0;
}
static int
lam_setup(void **testdata)
{
CRUT_DEBUG("Initializing lam.");
*testdata = NULL;
cr_register_callback(signal_callback, NULL, CR_SIGNAL_CONTEXT);
cr_register_callback(thread_callback, NULL, CR_THREAD_CONTEXT);
return 0;
}
static int
lam_precheckpoint(void *p)
{
return 0;
}
static int
lam_continue(void *p)
{
return 0;
}
static int
lam_restart(void *p)
{
return 0;
}
int
main(int argc, char *argv[])
{
int ret;
struct crut_operations lam_test_ops = {
test_scope:CR_SCOPE_PROC,
test_name:"lam",
test_description:"test to mimic behavior of lam's mpirun.",
test_setup:lam_setup,
test_precheckpoint:lam_precheckpoint,
test_continue:lam_continue,
test_restart:lam_restart,
test_teardown:NULL,
};
crut_add_test(&lam_test_ops);
ret = crut_main(argc, argv);
return ret;
}
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