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()
82  * Wait for an event. If there are no events for 10 seconds,
96 		if (ret == -1) {  in cg_wait_for()
97 			if (errno == EINTR)  in cg_wait_for()
103 		if (ret > 0 && fds.revents & POLLIN) {  in cg_wait_for()
123 	if (fd < 0)  in cg_enter_and_wait_for_frozen()
127 	if (ret)  in cg_enter_and_wait_for_frozen()
132 		if (ret)  in cg_enter_and_wait_for_frozen()
136 		if (ret)  in cg_enter_and_wait_for_frozen()
147  * If there are no events in 10 seconds, treat this as an error.
155 	if (fd < 0)  in cg_freeze_wait()
159 	if (ret) {  in cg_freeze_wait()
165 	if (ret)  in cg_freeze_wait()
200 	if (!cgroup)  in test_cgfreezer_simple()
203 	if (cg_create(cgroup))  in test_cgfreezer_simple()
209 	if (cg_wait_for_proc_count(cgroup, 100))  in test_cgfreezer_simple()
212 	if (cg_check_frozen(cgroup, false))  in test_cgfreezer_simple()
215 	if (cg_freeze_wait(cgroup, true))  in test_cgfreezer_simple()
218 	if (cg_freeze_wait(cgroup, false))  in test_cgfreezer_simple()
224 	if (cgroup)  in test_cgfreezer_simple()
252 	if (!cgroup[0])  in test_cgfreezer_tree()
256 	if (!cgroup[1])  in test_cgfreezer_tree()
260 	if (!cgroup[2])  in test_cgfreezer_tree()
264 	if (!cgroup[3])  in test_cgfreezer_tree()
268 	if (!cgroup[4])  in test_cgfreezer_tree()
272 	if (!cgroup[5])  in test_cgfreezer_tree()
276 	if (!cgroup[6])  in test_cgfreezer_tree()
280 	if (!cgroup[7])  in test_cgfreezer_tree()
284 	if (!cgroup[8])  in test_cgfreezer_tree()
288 	if (!cgroup[9])  in test_cgfreezer_tree()
292 		if (cg_create(cgroup[i]))  in test_cgfreezer_tree()
306 	if (cg_wait_for_proc_count(cgroup[2], 1) ||  in test_cgfreezer_tree()
314 	if (cg_freeze_wait(cgroup[1], true))  in test_cgfreezer_tree()
320 	if (cg_freeze_wait(cgroup[5], true))  in test_cgfreezer_tree()
326 	if (cg_freeze_wait(cgroup[6], true))  in test_cgfreezer_tree()
332 	if (cg_check_frozen(cgroup[0], false))  in test_cgfreezer_tree()
335 	if (cg_check_frozen(cgroup[4], false))  in test_cgfreezer_tree()
341 	if (cg_freeze_wait(cgroup[0], true))  in test_cgfreezer_tree()
344 	if (cg_check_frozen(cgroup[1], true))  in test_cgfreezer_tree()
347 	if (cg_check_frozen(cgroup[4], true))  in test_cgfreezer_tree()
353 	if (cg_freeze_nowait(cgroup[1], false))  in test_cgfreezer_tree()
356 	if (cg_freeze_nowait(cgroup[5], false))  in test_cgfreezer_tree()
359 	if (cg_freeze_nowait(cgroup[6], false))  in test_cgfreezer_tree()
365 	if (cg_check_frozen(cgroup[2], true))  in test_cgfreezer_tree()
368 	if (cg_check_frozen(cgroup[7], true))  in test_cgfreezer_tree()
374 	if (cg_freeze_wait(cgroup[0], false))  in test_cgfreezer_tree()
377 	if (cg_check_frozen(cgroup[2], false))  in test_cgfreezer_tree()
380 	if (cg_check_frozen(cgroup[9], false))  in test_cgfreezer_tree()
423 	if (!cgroup)  in test_cgfreezer_forkbomb()
426 	if (cg_create(cgroup))  in test_cgfreezer_forkbomb()
433 	if (cg_freeze_wait(cgroup, true))  in test_cgfreezer_forkbomb()
436 	if (cg_killall(cgroup))  in test_cgfreezer_forkbomb()
439 	if (cg_wait_for_proc_count(cgroup, 0))  in test_cgfreezer_forkbomb()
445 	if (cgroup)  in test_cgfreezer_forkbomb()
463 	if (!parent)  in test_cgfreezer_mkdir()
467 	if (!child)  in test_cgfreezer_mkdir()
470 	if (cg_create(parent))  in test_cgfreezer_mkdir()
473 	if (cg_freeze_wait(parent, true))  in test_cgfreezer_mkdir()
476 	if (cg_create(child))  in test_cgfreezer_mkdir()
480 	if (pid < 0)  in test_cgfreezer_mkdir()
483 	if (cg_wait_for_proc_count(child, 1))  in test_cgfreezer_mkdir()
486 	if (cg_check_frozen(child, true))  in test_cgfreezer_mkdir()
489 	if (cg_check_frozen(parent, true))  in test_cgfreezer_mkdir()
495 	if (child)  in test_cgfreezer_mkdir()
498 	if (parent)  in test_cgfreezer_mkdir()
516 	if (!parent)  in test_cgfreezer_rmdir()
520 	if (!child)  in test_cgfreezer_rmdir()
523 	if (cg_create(parent))  in test_cgfreezer_rmdir()
526 	if (cg_create(child))  in test_cgfreezer_rmdir()
529 	if (cg_freeze_wait(parent, true))  in test_cgfreezer_rmdir()
532 	if (cg_destroy(child))  in test_cgfreezer_rmdir()
535 	if (cg_check_frozen(parent, true))  in test_cgfreezer_rmdir()
538 	if (cg_create(child))  in test_cgfreezer_rmdir()
541 	if (cg_check_frozen(child, true))  in test_cgfreezer_rmdir()
547 	if (child)  in test_cgfreezer_rmdir()
550 	if (parent)  in test_cgfreezer_rmdir()
572 	if (!cgroup[0])  in test_cgfreezer_migrate()
576 	if (!cgroup[1])  in test_cgfreezer_migrate()
579 	if (cg_create(cgroup[0]))  in test_cgfreezer_migrate()
582 	if (cg_create(cgroup[1]))  in test_cgfreezer_migrate()
586 	if (pid < 0)  in test_cgfreezer_migrate()
589 	if (cg_wait_for_proc_count(cgroup[0], 1))  in test_cgfreezer_migrate()
595 	if (cg_freeze_wait(cgroup[1], true))  in test_cgfreezer_migrate()
598 	if (cg_enter_and_wait_for_frozen(cgroup[1], pid, true))  in test_cgfreezer_migrate()
601 	if (cg_check_frozen(cgroup[0], false))  in test_cgfreezer_migrate()
607 	if (cg_enter_and_wait_for_frozen(cgroup[0], pid, false))  in test_cgfreezer_migrate()
610 	if (cg_check_frozen(cgroup[1], true))  in test_cgfreezer_migrate()
616 	if (cg_freeze_wait(cgroup[0], true))  in test_cgfreezer_migrate()
619 	if (cg_enter_and_wait_for_frozen(cgroup[1], pid, true))  in test_cgfreezer_migrate()
622 	if (cg_check_frozen(cgroup[0], true))  in test_cgfreezer_migrate()
628 	if (cgroup[0])  in test_cgfreezer_migrate()
631 	if (cgroup[1])  in test_cgfreezer_migrate()
648 	if (!cgroup)  in test_cgfreezer_ptrace()
651 	if (cg_create(cgroup))  in test_cgfreezer_ptrace()
655 	if (pid < 0)  in test_cgfreezer_ptrace()
658 	if (cg_wait_for_proc_count(cgroup, 1))  in test_cgfreezer_ptrace()
661 	if (cg_freeze_wait(cgroup, true))  in test_cgfreezer_ptrace()
664 	if (ptrace(PTRACE_SEIZE, pid, NULL, NULL))  in test_cgfreezer_ptrace()
667 	if (ptrace(PTRACE_INTERRUPT, pid, NULL, NULL))  in test_cgfreezer_ptrace()
676 	if (cg_check_frozen(cgroup, true))  in test_cgfreezer_ptrace()
679 	if (ptrace(PTRACE_GETSIGINFO, pid, NULL, &siginfo))  in test_cgfreezer_ptrace()
682 	if (ptrace(PTRACE_DETACH, pid, NULL, NULL))  in test_cgfreezer_ptrace()
685 	if (cg_check_frozen(cgroup, true))  in test_cgfreezer_ptrace()
691 	if (cgroup)  in test_cgfreezer_ptrace()
698  * Check if the process is stopped.
706 	if (len == -1) {  in proc_check_stopped()
711 	if (strstr(buf, "(test_freezer) T ") == NULL) {  in proc_check_stopped()
728 	if (!cgroup)  in test_cgfreezer_stopped()
731 	if (cg_create(cgroup))  in test_cgfreezer_stopped()
736 	if (cg_wait_for_proc_count(cgroup, 1))  in test_cgfreezer_stopped()
739 	if (kill(pid, SIGSTOP))  in test_cgfreezer_stopped()
742 	if (cg_check_frozen(cgroup, false))  in test_cgfreezer_stopped()
745 	if (cg_freeze_wait(cgroup, true))  in test_cgfreezer_stopped()
748 	if (cg_freeze_wait(cgroup, false))  in test_cgfreezer_stopped()
751 	if (proc_check_stopped(pid))  in test_cgfreezer_stopped()
757 	if (cgroup)  in test_cgfreezer_stopped()
773 	if (!cgroup)  in test_cgfreezer_ptraced()
776 	if (cg_create(cgroup))  in test_cgfreezer_ptraced()
781 	if (cg_wait_for_proc_count(cgroup, 1))  in test_cgfreezer_ptraced()
784 	if (ptrace(PTRACE_SEIZE, pid, NULL, NULL))  in test_cgfreezer_ptraced()
787 	if (ptrace(PTRACE_INTERRUPT, pid, NULL, NULL))  in test_cgfreezer_ptraced()
792 	if (cg_check_frozen(cgroup, false))  in test_cgfreezer_ptraced()
795 	if (cg_freeze_wait(cgroup, true))  in test_cgfreezer_ptraced()
802 	if (cg_freeze_wait(cgroup, false))  in test_cgfreezer_ptraced()
805 	if (ptrace(PTRACE_GETSIGINFO, pid, NULL, &siginfo))  in test_cgfreezer_ptraced()
808 	if (ptrace(PTRACE_DETACH, pid, NULL, NULL))  in test_cgfreezer_ptraced()
814 	if (cgroup)  in test_cgfreezer_ptraced()
824 	if (pid == 0)  in vfork_fn()
841 	if (!cgroup)  in test_cgfreezer_vfork()
844 	if (cg_create(cgroup))  in test_cgfreezer_vfork()
849 	if (cg_wait_for_proc_count(cgroup, 2))  in test_cgfreezer_vfork()
852 	if (cg_freeze_wait(cgroup, true))  in test_cgfreezer_vfork()
858 	if (cgroup)  in test_cgfreezer_vfork()
887 	if (cg_find_unified_root(root, sizeof(root)))  in main()