116 static int cg_enter_and_wait_for_frozen(const char *cgroup, int pid,  in cg_enter_and_wait_for_frozen()  argument
126 	ret = cg_enter(cgroup, pid);  in cg_enter_and_wait_for_frozen()
460 	int pid;  in test_cgfreezer_mkdir()  local
479 	pid = cg_run_nowait(child, child_fn, NULL);  in test_cgfreezer_mkdir()
480 	if (pid < 0)  in test_cgfreezer_mkdir()
569 	int pid;  in test_cgfreezer_migrate()  local
585 	pid = cg_run_nowait(cgroup[0], child_fn, NULL);  in test_cgfreezer_migrate()
586 	if (pid < 0)  in test_cgfreezer_migrate()
598 	if (cg_enter_and_wait_for_frozen(cgroup[1], pid, true))  in test_cgfreezer_migrate()
607 	if (cg_enter_and_wait_for_frozen(cgroup[0], pid, false))  in test_cgfreezer_migrate()
619 	if (cg_enter_and_wait_for_frozen(cgroup[1], pid, true))  in test_cgfreezer_migrate()
645 	int pid;  in test_cgfreezer_ptrace()  local
654 	pid = cg_run_nowait(cgroup, child_fn, NULL);  in test_cgfreezer_ptrace()
655 	if (pid < 0)  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()
670 	waitpid(pid, NULL, 0);  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()
700 static int proc_check_stopped(int pid)  in proc_check_stopped()  argument
705 	len = proc_read_text(pid, 0, "stat", buf, sizeof(buf));  in proc_check_stopped()
707 		debug("Can't get %d stat\n", pid);  in proc_check_stopped()
712 		debug("Process %d in the unexpected state: %s\n", pid, buf);  in proc_check_stopped()
724 	int pid, ret = KSFT_FAIL;  in test_cgfreezer_stopped()  local
734 	pid = cg_run_nowait(cgroup, child_fn, NULL);  in test_cgfreezer_stopped()
739 	if (kill(pid, SIGSTOP))  in test_cgfreezer_stopped()
751 	if (proc_check_stopped(pid))  in test_cgfreezer_stopped()
768 	int pid, ret = KSFT_FAIL;  in test_cgfreezer_ptraced()  local
779 	pid = cg_run_nowait(cgroup, child_fn, NULL);  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()
790 	waitpid(pid, NULL, 0);  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()
822 	int pid = vfork();  in vfork_fn()  local
824 	if (pid == 0)  in vfork_fn()
828 	return pid;  in vfork_fn()