316 		int pid = strtol(ptr, &ptr, 10);  in cg_killall()  local
318 		if (pid == 0)  in cg_killall()
324 		if (kill(pid, SIGKILL))  in cg_killall()
351 int cg_enter(const char *cgroup, int pid)  in cg_enter()  argument
355 	snprintf(pidbuf, sizeof(pidbuf), "%d", pid);  in cg_enter()
373 	int pid, retcode;  in cg_run()  local
375 	pid = fork();  in cg_run()
376 	if (pid < 0) {  in cg_run()
377 		return pid;  in cg_run()
378 	} else if (pid == 0) {  in cg_run()
386 		waitpid(pid, &retcode, 0);  in cg_run()
397 	pid_t pid;  in clone_into_cgroup()  local
405 	pid = sys_clone3(&args, sizeof(struct __clone_args));  in clone_into_cgroup()
411 	if (pid < 0 && (errno == ENOSYS || errno == E2BIG))  in clone_into_cgroup()
414 	return pid;  in clone_into_cgroup()
422 int clone_reap(pid_t pid, int options)  in clone_reap()  argument
430 	ret = waitid(P_PID, pid, &info, options | __WALL | __WNOTHREAD);  in clone_reap()
472 	pid_t pid;  in clone_into_cgroup_run_nowait()  local
478 	pid = clone_into_cgroup(cgroup_fd);  in clone_into_cgroup_run_nowait()
480 	if (pid == 0)  in clone_into_cgroup_run_nowait()
483 	return pid;  in clone_into_cgroup_run_nowait()
490 	int pid;  in cg_run_nowait()  local
492 	pid = clone_into_cgroup_run_nowait(cgroup, fn, arg);  in cg_run_nowait()
493 	if (pid > 0)  in cg_run_nowait()
494 		return pid;  in cg_run_nowait()
497 	if (pid < 0 && errno != ENOSYS)  in cg_run_nowait()
500 	pid = fork();  in cg_run_nowait()
501 	if (pid == 0) {  in cg_run_nowait()
510 	return pid;  in cg_run_nowait()
537 ssize_t proc_read_text(int pid, bool thread, const char *item, char *buf, size_t size)  in proc_read_text()  argument
542 	if (!pid)  in proc_read_text()
546 		snprintf(path, sizeof(path), "/proc/%d/%s", pid, item);  in proc_read_text()
552 int proc_read_strstr(int pid, bool thread, const char *item, const char *needle)  in proc_read_strstr()  argument
556 	if (proc_read_text(pid, thread, item, buf, sizeof(buf)) < 0)  in proc_read_strstr()
565 	pid_t pid;  in clone_into_cgroup_run_wait()  local
571 	pid = clone_into_cgroup(cgroup_fd);  in clone_into_cgroup_run_wait()
573 	if (pid < 0)  in clone_into_cgroup_run_wait()
576 	if (pid == 0)  in clone_into_cgroup_run_wait()
583 	(void)clone_reap(pid, WEXITED);  in clone_into_cgroup_run_wait()