/usr/src/blcr-0.8.2/tests/cwd.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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 | /*
* 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: cwd.c,v 1.7 2008/08/29 21:36:53 phargrov Exp $
*
* Simple example for using crut
*/
#ifndef _GNU_SOURCE
#define _GNU_SOURCE // for get_current_dir_name() in unistd
#endif
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
#include <linux/limits.h>
#include "crut.h"
#define TMP_DIR_NAME "tstdir"
#define TMP_DIR_MODE 0755
char checkpoint_cwd[PATH_MAX+1];
static int
cwd_setup(void **testdata)
{
int retval;
(void)rmdir(TMP_DIR_NAME);
retval = mkdir(TMP_DIR_NAME, TMP_DIR_MODE);
if (retval < 0) {
perror("mkdir");
goto out;
}
retval = chdir(TMP_DIR_NAME);
if (retval < 0) {
perror("mkdir");
goto out;
}
if (getcwd(checkpoint_cwd, sizeof(checkpoint_cwd)) == NULL) {
perror("getcwd");
goto out_unlink;
}
retval = 0;
*testdata = NULL;
return retval;
out_unlink:
if (unlink(TMP_DIR_NAME) < 0) {
perror("unlink");
retval = -1;
}
out:
return retval;
}
static int
cwd_precheckpoint(void *p)
{
return 0;
}
static int
cwd_continue(void *p)
{
return 0;
}
static int
cwd_restart(void *p)
{
int retval = -1;
char new_cwd[PATH_MAX+1];
if (getcwd(new_cwd, PATH_MAX) == NULL) {
perror("getcwd");
goto out;
}
if (strncmp(checkpoint_cwd, new_cwd, sizeof(checkpoint_cwd))) {
CRUT_FAIL("Did not restore cwd %s", checkpoint_cwd);
retval = -1;
} else {
retval = 0;
}
out:
return retval;
}
static int
cwd_teardown(void *p)
{
int retval;
/* go back to where we started */
retval = chdir("..");
CRUT_DEBUG("cwd = %s", get_current_dir_name());
if (retval < 0) {
perror("chdir");
goto out;
}
/* now kill the test directory */
retry:
retval = rmdir(TMP_DIR_NAME);
if (retval < 0) {
CRUT_FAIL("rmdir(%s): %s", TMP_DIR_NAME, strerror(errno));
// XXX
sync();
goto retry;
goto out;
}
retval = 0;
out:
return retval;
}
int
main(int argc, char *argv[])
{
int ret;
struct crut_operations cwd_test_ops = {
test_scope:CR_SCOPE_PROC,
test_name:"cwd_rw",
test_description:"Simple example test.",
test_setup:cwd_setup,
test_precheckpoint:cwd_precheckpoint,
test_continue:cwd_continue,
test_restart:cwd_restart,
test_teardown:cwd_teardown,
};
/* add the basic tests */
crut_add_test(&cwd_test_ops);
ret = crut_main(argc, argv);
return ret;
}
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