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/*
* 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: simple.c,v 1.9 2008/08/29 21:36:53 phargrov Exp $
*
* Simple example for using crut
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <signal.h>
#include <fcntl.h>
#include <string.h>
#include "crut.h"
#define MSG "Hello world!\n"
static int my_pid;
static int
simple_setup(void **testdata)
{
char msg[] = MSG;
void *p;
CRUT_DEBUG("Initializing simple.");
CRUT_DEBUG("sizeof(msg) = %d", (int)sizeof(msg)+1);
p = malloc(sizeof(msg)+1);
if (p == NULL) { return -1; }
memcpy(p, msg, sizeof(msg)+1);
*testdata = p;
return 0;
}
static int
simple_precheckpoint(void *p)
{
int retval;
CRUT_DEBUG("Testing sanity before we checkpoint");
retval = strncmp((char *)p, MSG, sizeof(MSG)) ? -1 : 0;
my_pid = (int)getpid();
return retval;
}
static int
simple_continue(void *p)
{
int retval;
CRUT_DEBUG("Continuing after checkpoint.");
retval = strncmp((char *)p, MSG, sizeof(MSG)) ? -1 : 0;
if (my_pid != (int)getpid()) {
retval = -1;
}
return retval;
}
static int
simple_restart(void *p)
{
int retval;
CRUT_DEBUG("Restarting from checkpoint.");
retval = strncmp((char *)p, MSG, sizeof(MSG)) ? -1 : 0;
if (my_pid != (int)getpid()) {
retval = -1;
}
return retval;
}
static int
simple_teardown(void *p)
{
free(p);
return 0;
}
int
main(int argc, char *argv[])
{
int ret;
struct crut_operations simple_test_ops = {
test_scope:CR_SCOPE_PROC,
test_name:"simple_rw",
test_description:"Simple example test.",
test_setup:simple_setup,
test_precheckpoint:simple_precheckpoint,
test_continue:simple_continue,
test_restart:simple_restart,
test_teardown:simple_teardown,
};
/* add the basic tests */
crut_add_test(&simple_test_ops);
ret = crut_main(argc, argv);
return ret;
}
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