27  * Check if the cgroup is frozen by looking at the cgroup.events::frozen value.
31 	if (frozen) {  in cg_check_frozen()
32 		if (cg_read_strstr(cgroup, "cgroup.events", "frozen 1") != 0) {  in cg_check_frozen()
40 		if (cg_read_strstr(cgroup, "cgroup.events", "frozen 0") != 0) {  in cg_check_frozen()
65 	if (fd == -1) {  in cg_prepare_for_wait()
72 	if (ret == -1) {  in cg_prepare_for_wait()
81  * Wait for an event. If there are no events for 10 seconds,
95 		if (ret == -1) {  in cg_wait_for()
96 			if (errno == EINTR)  in cg_wait_for()
102 		if (ret > 0 && fds.revents & POLLIN) {  in cg_wait_for()
122 	if (fd < 0)  in cg_enter_and_wait_for_frozen()
126 	if (ret)  in cg_enter_and_wait_for_frozen()
131 		if (ret)  in cg_enter_and_wait_for_frozen()
135 		if (ret)  in cg_enter_and_wait_for_frozen()
146  * If there are no events in 10 seconds, treat this as an error.
154 	if (fd < 0)  in cg_freeze_wait()
158 	if (ret) {  in cg_freeze_wait()
164 	if (ret)  in cg_freeze_wait()
199 	if (!cgroup)  in test_cgfreezer_simple()
202 	if (cg_create(cgroup))  in test_cgfreezer_simple()
208 	if (cg_wait_for_proc_count(cgroup, 100))  in test_cgfreezer_simple()
211 	if (cg_check_frozen(cgroup, false))  in test_cgfreezer_simple()
214 	if (cg_freeze_wait(cgroup, true))  in test_cgfreezer_simple()
217 	if (cg_freeze_wait(cgroup, false))  in test_cgfreezer_simple()
223 	if (cgroup)  in test_cgfreezer_simple()
251 	if (!cgroup[0])  in test_cgfreezer_tree()
255 	if (!cgroup[1])  in test_cgfreezer_tree()
259 	if (!cgroup[2])  in test_cgfreezer_tree()
263 	if (!cgroup[3])  in test_cgfreezer_tree()
267 	if (!cgroup[4])  in test_cgfreezer_tree()
271 	if (!cgroup[5])  in test_cgfreezer_tree()
275 	if (!cgroup[6])  in test_cgfreezer_tree()
279 	if (!cgroup[7])  in test_cgfreezer_tree()
283 	if (!cgroup[8])  in test_cgfreezer_tree()
287 	if (!cgroup[9])  in test_cgfreezer_tree()
291 		if (cg_create(cgroup[i]))  in test_cgfreezer_tree()
305 	if (cg_wait_for_proc_count(cgroup[2], 1) ||  in test_cgfreezer_tree()
313 	if (cg_freeze_wait(cgroup[1], true))  in test_cgfreezer_tree()
319 	if (cg_freeze_wait(cgroup[5], true))  in test_cgfreezer_tree()
325 	if (cg_freeze_wait(cgroup[6], true))  in test_cgfreezer_tree()
331 	if (cg_check_frozen(cgroup[0], false))  in test_cgfreezer_tree()
334 	if (cg_check_frozen(cgroup[4], false))  in test_cgfreezer_tree()
340 	if (cg_freeze_wait(cgroup[0], true))  in test_cgfreezer_tree()
343 	if (cg_check_frozen(cgroup[1], true))  in test_cgfreezer_tree()
346 	if (cg_check_frozen(cgroup[4], true))  in test_cgfreezer_tree()
352 	if (cg_freeze_nowait(cgroup[1], false))  in test_cgfreezer_tree()
355 	if (cg_freeze_nowait(cgroup[5], false))  in test_cgfreezer_tree()
358 	if (cg_freeze_nowait(cgroup[6], false))  in test_cgfreezer_tree()
364 	if (cg_check_frozen(cgroup[2], true))  in test_cgfreezer_tree()
367 	if (cg_check_frozen(cgroup[7], true))  in test_cgfreezer_tree()
373 	if (cg_freeze_wait(cgroup[0], false))  in test_cgfreezer_tree()
376 	if (cg_check_frozen(cgroup[2], false))  in test_cgfreezer_tree()
379 	if (cg_check_frozen(cgroup[9], false))  in test_cgfreezer_tree()
422 	if (!cgroup)  in test_cgfreezer_forkbomb()
425 	if (cg_create(cgroup))  in test_cgfreezer_forkbomb()
432 	if (cg_freeze_wait(cgroup, true))  in test_cgfreezer_forkbomb()
435 	if (cg_killall(cgroup))  in test_cgfreezer_forkbomb()
438 	if (cg_wait_for_proc_count(cgroup, 0))  in test_cgfreezer_forkbomb()
444 	if (cgroup)  in test_cgfreezer_forkbomb()
462 	if (!parent)  in test_cgfreezer_mkdir()
466 	if (!child)  in test_cgfreezer_mkdir()
469 	if (cg_create(parent))  in test_cgfreezer_mkdir()
472 	if (cg_freeze_wait(parent, true))  in test_cgfreezer_mkdir()
475 	if (cg_create(child))  in test_cgfreezer_mkdir()
479 	if (pid < 0)  in test_cgfreezer_mkdir()
482 	if (cg_wait_for_proc_count(child, 1))  in test_cgfreezer_mkdir()
485 	if (cg_check_frozen(child, true))  in test_cgfreezer_mkdir()
488 	if (cg_check_frozen(parent, true))  in test_cgfreezer_mkdir()
494 	if (child)  in test_cgfreezer_mkdir()
497 	if (parent)  in test_cgfreezer_mkdir()
515 	if (!parent)  in test_cgfreezer_rmdir()
519 	if (!child)  in test_cgfreezer_rmdir()
522 	if (cg_create(parent))  in test_cgfreezer_rmdir()
525 	if (cg_create(child))  in test_cgfreezer_rmdir()
528 	if (cg_freeze_wait(parent, true))  in test_cgfreezer_rmdir()
531 	if (cg_destroy(child))  in test_cgfreezer_rmdir()
534 	if (cg_check_frozen(parent, true))  in test_cgfreezer_rmdir()
537 	if (cg_create(child))  in test_cgfreezer_rmdir()
540 	if (cg_check_frozen(child, true))  in test_cgfreezer_rmdir()
546 	if (child)  in test_cgfreezer_rmdir()
549 	if (parent)  in test_cgfreezer_rmdir()
571 	if (!cgroup[0])  in test_cgfreezer_migrate()
575 	if (!cgroup[1])  in test_cgfreezer_migrate()
578 	if (cg_create(cgroup[0]))  in test_cgfreezer_migrate()
581 	if (cg_create(cgroup[1]))  in test_cgfreezer_migrate()
585 	if (pid < 0)  in test_cgfreezer_migrate()
588 	if (cg_wait_for_proc_count(cgroup[0], 1))  in test_cgfreezer_migrate()
594 	if (cg_freeze_wait(cgroup[1], true))  in test_cgfreezer_migrate()
597 	if (cg_enter_and_wait_for_frozen(cgroup[1], pid, true))  in test_cgfreezer_migrate()
600 	if (cg_check_frozen(cgroup[0], false))  in test_cgfreezer_migrate()
606 	if (cg_enter_and_wait_for_frozen(cgroup[0], pid, false))  in test_cgfreezer_migrate()
609 	if (cg_check_frozen(cgroup[1], true))  in test_cgfreezer_migrate()
615 	if (cg_freeze_wait(cgroup[0], true))  in test_cgfreezer_migrate()
618 	if (cg_enter_and_wait_for_frozen(cgroup[1], pid, true))  in test_cgfreezer_migrate()
621 	if (cg_check_frozen(cgroup[0], true))  in test_cgfreezer_migrate()
627 	if (cgroup[0])  in test_cgfreezer_migrate()
630 	if (cgroup[1])  in test_cgfreezer_migrate()
647 	if (!cgroup)  in test_cgfreezer_ptrace()
650 	if (cg_create(cgroup))  in test_cgfreezer_ptrace()
654 	if (pid < 0)  in test_cgfreezer_ptrace()
657 	if (cg_wait_for_proc_count(cgroup, 1))  in test_cgfreezer_ptrace()
660 	if (cg_freeze_wait(cgroup, true))  in test_cgfreezer_ptrace()
663 	if (ptrace(PTRACE_SEIZE, pid, NULL, NULL))  in test_cgfreezer_ptrace()
666 	if (ptrace(PTRACE_INTERRUPT, pid, NULL, NULL))  in test_cgfreezer_ptrace()
675 	if (cg_check_frozen(cgroup, true))  in test_cgfreezer_ptrace()
678 	if (ptrace(PTRACE_GETSIGINFO, pid, NULL, &siginfo))  in test_cgfreezer_ptrace()
681 	if (ptrace(PTRACE_DETACH, pid, NULL, NULL))  in test_cgfreezer_ptrace()
684 	if (cg_check_frozen(cgroup, true))  in test_cgfreezer_ptrace()
690 	if (cgroup)  in test_cgfreezer_ptrace()
697  * Check if the process is stopped.
705 	if (len == -1) {  in proc_check_stopped()
710 	if (strstr(buf, "(test_freezer) T ") == NULL) {  in proc_check_stopped()
727 	if (!cgroup)  in test_cgfreezer_stopped()
730 	if (cg_create(cgroup))  in test_cgfreezer_stopped()
735 	if (cg_wait_for_proc_count(cgroup, 1))  in test_cgfreezer_stopped()
738 	if (kill(pid, SIGSTOP))  in test_cgfreezer_stopped()
741 	if (cg_check_frozen(cgroup, false))  in test_cgfreezer_stopped()
744 	if (cg_freeze_wait(cgroup, true))  in test_cgfreezer_stopped()
747 	if (cg_freeze_wait(cgroup, false))  in test_cgfreezer_stopped()
750 	if (proc_check_stopped(pid))  in test_cgfreezer_stopped()
756 	if (cgroup)  in test_cgfreezer_stopped()
772 	if (!cgroup)  in test_cgfreezer_ptraced()
775 	if (cg_create(cgroup))  in test_cgfreezer_ptraced()
780 	if (cg_wait_for_proc_count(cgroup, 1))  in test_cgfreezer_ptraced()
783 	if (ptrace(PTRACE_SEIZE, pid, NULL, NULL))  in test_cgfreezer_ptraced()
786 	if (ptrace(PTRACE_INTERRUPT, pid, NULL, NULL))  in test_cgfreezer_ptraced()
791 	if (cg_check_frozen(cgroup, false))  in test_cgfreezer_ptraced()
794 	if (cg_freeze_wait(cgroup, true))  in test_cgfreezer_ptraced()
801 	if (cg_freeze_wait(cgroup, false))  in test_cgfreezer_ptraced()
804 	if (ptrace(PTRACE_GETSIGINFO, pid, NULL, &siginfo))  in test_cgfreezer_ptraced()
807 	if (ptrace(PTRACE_DETACH, pid, NULL, NULL))  in test_cgfreezer_ptraced()
813 	if (cgroup)  in test_cgfreezer_ptraced()
823 	if (pid == 0)  in vfork_fn()
840 	if (!cgroup)  in test_cgfreezer_vfork()
843 	if (cg_create(cgroup))  in test_cgfreezer_vfork()
848 	if (cg_wait_for_proc_count(cgroup, 2))  in test_cgfreezer_vfork()
851 	if (cg_freeze_wait(cgroup, true))  in test_cgfreezer_vfork()
857 	if (cgroup)  in test_cgfreezer_vfork()
886 	if (cg_find_unified_root(root, sizeof(root)))  in main()