270 		int pid = strtol(ptr, &ptr, 10);  in cg_killall()  local
272 		if (pid == 0)  in cg_killall()
278 		if (kill(pid, SIGKILL))  in cg_killall()
303 int cg_enter(const char *cgroup, int pid)  in cg_enter()  argument
307 	snprintf(pidbuf, sizeof(pidbuf), "%d", pid);  in cg_enter()
325 	int pid, retcode;  in cg_run()  local
327 	pid = fork();  in cg_run()
328 	if (pid < 0) {  in cg_run()
329 		return pid;  in cg_run()
330 	} else if (pid == 0) {  in cg_run()
338 		waitpid(pid, &retcode, 0);  in cg_run()
349 	pid_t pid;  in clone_into_cgroup()  local
357 	pid = sys_clone3(&args, sizeof(struct __clone_args));  in clone_into_cgroup()
363 	if (pid < 0 && (errno == ENOSYS || errno == E2BIG))  in clone_into_cgroup()
366 	return pid;  in clone_into_cgroup()
374 int clone_reap(pid_t pid, int options)  in clone_reap()  argument
382 	ret = waitid(P_PID, pid, &info, options | __WALL | __WNOTHREAD);  in clone_reap()
424 	pid_t pid;  in clone_into_cgroup_run_nowait()  local
430 	pid = clone_into_cgroup(cgroup_fd);  in clone_into_cgroup_run_nowait()
432 	if (pid == 0)  in clone_into_cgroup_run_nowait()
435 	return pid;  in clone_into_cgroup_run_nowait()
442 	int pid;  in cg_run_nowait()  local
444 	pid = clone_into_cgroup_run_nowait(cgroup, fn, arg);  in cg_run_nowait()
445 	if (pid > 0)  in cg_run_nowait()
446 		return pid;  in cg_run_nowait()
449 	if (pid < 0 && errno != ENOSYS)  in cg_run_nowait()
452 	pid = fork();  in cg_run_nowait()
453 	if (pid == 0) {  in cg_run_nowait()
462 	return pid;  in cg_run_nowait()
522 int set_oom_adj_score(int pid, int score)  in set_oom_adj_score()  argument
527 	sprintf(path, "/proc/%d/oom_score_adj", pid);  in set_oom_adj_score()
555 ssize_t proc_read_text(int pid, bool thread, const char *item, char *buf, size_t size)  in proc_read_text()  argument
559 	if (!pid)  in proc_read_text()
563 		snprintf(path, sizeof(path), "/proc/%d/%s", pid, item);  in proc_read_text()
569 int proc_read_strstr(int pid, bool thread, const char *item, const char *needle)  in proc_read_strstr()  argument
573 	if (proc_read_text(pid, thread, item, buf, sizeof(buf)) < 0)  in proc_read_strstr()
582 	pid_t pid;  in clone_into_cgroup_run_wait()  local
588 	pid = clone_into_cgroup(cgroup_fd);  in clone_into_cgroup_run_wait()
590 	if (pid < 0)  in clone_into_cgroup_run_wait()
593 	if (pid == 0)  in clone_into_cgroup_run_wait()
600 	(void)clone_reap(pid, WEXITED);  in clone_into_cgroup_run_wait()