int main(void)
{
int p, s, r;
struct rusage rr;
long long tms = 0;
fprintf(stderr, "t6: checking millisecond time limits\n");
if ((linux_version = get_linux_version()) < 0)
return 1;
if (!linux_version) {
fprintf(stderr, "failed: not Linux or unknown linux version\n");
return 1;
}
fprintf(stderr, "t6: linux version %d\n", linux_version);
if (linux_version >= 3000000) {
fprintf(stderr, "t6: patch for linux >= 3.0.0 does not support millisecond time limits\n");
return 0;
}
if ((p = fork()) < 0) {
fprintf(stderr, "failed: unexpected fork() error: %s\n", strerror(errno));
return 1;
}
if (!p) do_son();
sleep(5);
r = wait4(-1, &s, WNOHANG, &rr);
if (!r) {
fprintf(stderr, "failed: child did not terminate in 5 seconds\n");
kill(p, SIGKILL);
wait(0);
return 1;
}
if (WIFEXITED(s) && WEXITSTATUS(s) == 111) {
fprintf(stderr, "failed: child failed to setup limitations\n");
return 1;
}
if (WIFEXITED(s)) {
fprintf(stderr, "info: child exited: %d\n", WEXITSTATUS(s));
} else if (WIFSIGNALED(s)) {
fprintf(stderr, "info: child signaled: %d\n", WTERMSIG(s));
}
tms = 0;
tms += rr.ru_utime.tv_sec * 1000;
tms += rr.ru_stime.tv_sec * 1000;
tms += rr.ru_utime.tv_usec / 1000;
tms += rr.ru_stime.tv_usec / 1000;
fprintf(stderr, "info: child user+sys ms: %lld\n", tms);
if (tms > 900) {
fprintf(stderr, "failed: millisecond timelimit does not work\n");
return 1;
}
fprintf(stderr, "ok\n");
return 0;
}
int main(int argc, char **argv)
{
int p, s, d = 0;
snprintf(progname, sizeof(progname), "%s_helper", argv[0]);
fprintf(stderr, "t5: checking memory limit error for program size\n");
if ((linux_version = get_linux_version()) < 0)
return 1;
if (!linux_version) {
fprintf(stderr, "failed: not Linux or unknown linux version\n");
return 1;
}
fprintf(stderr, "t5: linux version %d\n", linux_version);
if ((p = fork()) < 0) {
fprintf(stderr, "failed: unexpected fork() error: %s\n", strerror(errno));
return 1;
}
if (!p) do_son();
wait(&s);
if ((s & 0x10000)) {
fprintf(stderr, "info: 0x10000 detected\n");
s &= 0xffff;
d = 1;
}
if (WIFEXITED(s) && WEXITSTATUS(s) == 111) {
fprintf(stderr, "failed: child failed to setup limitations\n");
return 1;
}
if (WIFEXITED(s)) {
fprintf(stderr, "info: child exited: %d\n", WEXITSTATUS(s));
} else if (WIFSIGNALED(s)) {
fprintf(stderr, "info: child signaled: %d\n", WTERMSIG(s));
}
if (!d) {
fprintf(stderr, "failed: memory limit error not detected\n");
return 1;
}
fprintf(stderr, "ok\n");
return 0;
}
int main(void)
{
int p, s, d = 0;
fprintf(stderr, "t3: checking memory limit error for stack\n");
if ((linux_version = get_linux_version()) < 0)
return 1;
if (!linux_version) {
fprintf(stderr, "failed: not Linux or unknown linux version\n");
return 1;
}
fprintf(stderr, "t3: linux version %d\n", linux_version);
if ((p = fork()) < 0) {
fprintf(stderr, "failed: unexpected fork() error: %s\n", strerror(errno));
return 1;
}
if (!p) do_son();
wait(&s);
if ((s & 0x10000)) {
fprintf(stderr, "\ninfo: 0x10000 detected\n");
s &= 0xffff;
d = 1;
}
if (WIFEXITED(s) && WEXITSTATUS(s) == 111) {
fprintf(stderr, "failed: child failed to setup limitations\n");
return 1;
}
if (WIFEXITED(s)) {
fprintf(stderr, "info: child exited: %d\n", WEXITSTATUS(s));
} else if (WIFSIGNALED(s)) {
fprintf(stderr, "info: child signaled: %d\n", WTERMSIG(s));
}
if (!d) {
fprintf(stderr, "failed: memory limit error not detected\n");
return 1;
}
fprintf(stderr, "ok\n");
return 0;
}
