115 static int cg_enter_and_wait_for_frozen(const char *cgroup, int pid,  in cg_enter_and_wait_for_frozen()  argument
125 	ret = cg_enter(cgroup, pid);  in cg_enter_and_wait_for_frozen()
459 	int pid;  in test_cgfreezer_mkdir()  local
478 	pid = cg_run_nowait(child, child_fn, NULL);  in test_cgfreezer_mkdir()
479 	if (pid < 0)  in test_cgfreezer_mkdir()
568 	int pid;  in test_cgfreezer_migrate()  local
584 	pid = cg_run_nowait(cgroup[0], child_fn, NULL);  in test_cgfreezer_migrate()
585 	if (pid < 0)  in test_cgfreezer_migrate()
597 	if (cg_enter_and_wait_for_frozen(cgroup[1], pid, true))  in test_cgfreezer_migrate()
606 	if (cg_enter_and_wait_for_frozen(cgroup[0], pid, false))  in test_cgfreezer_migrate()
618 	if (cg_enter_and_wait_for_frozen(cgroup[1], pid, true))  in test_cgfreezer_migrate()
644 	int pid;  in test_cgfreezer_ptrace()  local
653 	pid = cg_run_nowait(cgroup, child_fn, NULL);  in test_cgfreezer_ptrace()
654 	if (pid < 0)  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()
669 	waitpid(pid, NULL, 0);  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()
699 static int proc_check_stopped(int pid)  in proc_check_stopped()  argument
704 	len = proc_read_text(pid, "stat", buf, sizeof(buf));  in proc_check_stopped()
706 		debug("Can't get %d stat\n", pid);  in proc_check_stopped()
711 		debug("Process %d in the unexpected state: %s\n", pid, buf);  in proc_check_stopped()
723 	int pid, ret = KSFT_FAIL;  in test_cgfreezer_stopped()  local
733 	pid = cg_run_nowait(cgroup, child_fn, NULL);  in test_cgfreezer_stopped()
738 	if (kill(pid, SIGSTOP))  in test_cgfreezer_stopped()
750 	if (proc_check_stopped(pid))  in test_cgfreezer_stopped()
767 	int pid, ret = KSFT_FAIL;  in test_cgfreezer_ptraced()  local
778 	pid = cg_run_nowait(cgroup, child_fn, NULL);  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()
789 	waitpid(pid, NULL, 0);  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()
821 	int pid = vfork();  in vfork_fn()  local
823 	if (pid == 0)  in vfork_fn()
827 	return pid;  in vfork_fn()