59 static int cg_enter_and_wait_for_frozen(const char *cgroup, int pid,  in cg_enter_and_wait_for_frozen()  argument
69 	ret = cg_enter(cgroup, pid);  in cg_enter_and_wait_for_frozen()
403 	int pid;  in test_cgfreezer_mkdir()  local
422 	pid = cg_run_nowait(child, child_fn, NULL);  in test_cgfreezer_mkdir()
423 	if (pid < 0)  in test_cgfreezer_mkdir()
512 	int pid;  in test_cgfreezer_migrate()  local
528 	pid = cg_run_nowait(cgroup[0], child_fn, NULL);  in test_cgfreezer_migrate()
529 	if (pid < 0)  in test_cgfreezer_migrate()
541 	if (cg_enter_and_wait_for_frozen(cgroup[1], pid, true))  in test_cgfreezer_migrate()
550 	if (cg_enter_and_wait_for_frozen(cgroup[0], pid, false))  in test_cgfreezer_migrate()
562 	if (cg_enter_and_wait_for_frozen(cgroup[1], pid, true))  in test_cgfreezer_migrate()
588 	int pid;  in test_cgfreezer_ptrace()  local
597 	pid = cg_run_nowait(cgroup, child_fn, NULL);  in test_cgfreezer_ptrace()
598 	if (pid < 0)  in test_cgfreezer_ptrace()
607 	if (ptrace(PTRACE_SEIZE, pid, NULL, NULL))  in test_cgfreezer_ptrace()
610 	if (ptrace(PTRACE_INTERRUPT, pid, NULL, NULL))  in test_cgfreezer_ptrace()
613 	waitpid(pid, NULL, 0);  in test_cgfreezer_ptrace()
622 	if (ptrace(PTRACE_GETSIGINFO, pid, NULL, &siginfo))  in test_cgfreezer_ptrace()
625 	if (ptrace(PTRACE_DETACH, pid, NULL, NULL))  in test_cgfreezer_ptrace()
643 static int proc_check_stopped(int pid)  in proc_check_stopped()  argument
648 	len = proc_read_text(pid, 0, "stat", buf, sizeof(buf));  in proc_check_stopped()
650 		debug("Can't get %d stat\n", pid);  in proc_check_stopped()
655 		debug("Process %d in the unexpected state: %s\n", pid, buf);  in proc_check_stopped()
667 	int pid, ret = KSFT_FAIL;  in test_cgfreezer_stopped()  local
677 	pid = cg_run_nowait(cgroup, child_fn, NULL);  in test_cgfreezer_stopped()
682 	if (kill(pid, SIGSTOP))  in test_cgfreezer_stopped()
694 	if (proc_check_stopped(pid))  in test_cgfreezer_stopped()
711 	int pid, ret = KSFT_FAIL;  in test_cgfreezer_ptraced()  local
722 	pid = cg_run_nowait(cgroup, child_fn, NULL);  in test_cgfreezer_ptraced()
727 	if (ptrace(PTRACE_SEIZE, pid, NULL, NULL))  in test_cgfreezer_ptraced()
730 	if (ptrace(PTRACE_INTERRUPT, pid, NULL, NULL))  in test_cgfreezer_ptraced()
733 	waitpid(pid, NULL, 0);  in test_cgfreezer_ptraced()
748 	if (ptrace(PTRACE_GETSIGINFO, pid, NULL, &siginfo))  in test_cgfreezer_ptraced()
751 	if (ptrace(PTRACE_DETACH, pid, NULL, NULL))  in test_cgfreezer_ptraced()
765 	int pid = vfork();  in vfork_fn()  local
767 	if (pid == 0)  in vfork_fn()
771 	return pid;  in vfork_fn()