criu/test/zdtm/static/pstree.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

87 lines
1.3 KiB
C

#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include "zdtmtst.h"
const char *test_doc = "Check that environment didn't change";
const char *test_author = "Pavel Emelianov <xemul@parallels.com>";
int main(int argc, char **argv)
{
char x;
int pid, ppid;
int sp[2], fp[2], rp[2];
test_init(argc, argv);
if (pipe(sp) || pipe(fp) || pipe(rp)) {
pr_perror("pipe");
return 1;
}
pid = fork();
if (pid == 0) {
close(sp[0]);
close(fp[1]);
close(rp[0]);
pid = getpid();
ppid = getppid();
close(sp[1]);
if (read(fp[0], &x, 1)) {
pr_perror("read");
return 1;
}
close(fp[0]);
if (pid != getpid())
x = 'p';
else if (ppid != getppid())
x = 'P';
else
x = '0';
if (write(rp[1], &x, 1) != 1) {
pr_perror("write");
return 1;
}
close(rp[1]);
_exit(0);
}
x = 'X';
close(sp[1]);
close(fp[0]);
close(rp[1]);
if (read(sp[0], &x, 1)) {
pr_perror("read");
return 1;
}
test_daemon();
test_waitsig();
close(fp[1]);
if (read(rp[0], &x, 1) != 1) {
pr_perror("read");
return 1;
}
close(rp[0]);
if (x == 'X')
fail("Sync failed");
else if (x == 'p')
fail("Pid failed");
else if (x == 'P')
fail("PPid failed");
else if (x != '0')
fail("Shit happened");
else
pass();
return 0;
}