criu/test/zdtm/static/unhashed_proc.c
Pavel Emelyanov 2e13f1f029 test: Get rid of live directory
Move static and transition into zdtm top. We can't move all the micro
tests themselves, as we need to distinguish static from non static (zdtm.py
makes additional checks on static ones).

Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
2016-02-20 13:40:52 +03:00

81 lines
1.4 KiB
C

#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <signal.h>
#include <string.h>
#include <linux/limits.h>
#include "zdtmtst.h"
const char *test_doc = "Chdir into unhashed proc entry";
const char *test_author = "Konstantin Khlebnikov <khlebnikov@openvz.org>";
int main(int argc, char ** argv)
{
int pid, len;
char cwd1[PATH_MAX], cwd2[PATH_MAX];
test_init(argc, argv);
pid = fork();
if (pid < 0) {
pr_perror("fork failed");
exit(1);
} else if (!pid) {
pause();
return 0;
}
sprintf(cwd1, "/proc/%d", pid);
if (chdir(cwd1) < 0) {
kill(pid, SIGKILL);
pr_perror("chdir failed");
exit(1);
}
kill(pid, SIGKILL);
waitpid(pid, NULL, 0);
if (getcwd(cwd1, sizeof(cwd1))) {
pr_perror("successful getcwd: %s", cwd1);
exit(1);
} else if (errno != ENOENT) {
pr_perror("wrong errno");
exit(1);
}
len = readlink("/proc/self/cwd", cwd1, sizeof(cwd1));
if (len < 0) {
pr_perror("can't read cwd symlink");
exit(1);
}
cwd1[len] = 0;
test_daemon();
test_waitsig();
if (getcwd(cwd2, sizeof(cwd2))) {
fail("successful getcwd: %s\n", cwd2);
exit(1);
} else if (errno != ENOENT) {
fail("wrong errno: %m\n");
exit(1);
}
len = readlink("/proc/self/cwd", cwd2, sizeof(cwd2)-1);
if (len < 0) {
fail("can't read cwd symlink %m\n");
exit(1);
}
cwd2[len] = 0;
if (strcmp(cwd1, cwd2))
test_msg("cwd differs: %s != %s\n", cwd1, cwd2);
pass();
return 0;
}