294 		int pid = strtol(ptr, &ptr, 10);  in cg_killall()  local
296 		if (pid == 0)  in cg_killall()
302 		if (kill(pid, SIGKILL))  in cg_killall()
329 int cg_enter(const char *cgroup, int pid)  in cg_enter()  argument
333 	snprintf(pidbuf, sizeof(pidbuf), "%d", pid);  in cg_enter()
351 	int pid, retcode;  in cg_run()  local
353 	pid = fork();  in cg_run()
354 	if (pid < 0) {  in cg_run()
355 		return pid;  in cg_run()
356 	} else if (pid == 0) {  in cg_run()
364 		waitpid(pid, &retcode, 0);  in cg_run()
375 	pid_t pid;  in clone_into_cgroup()  local
383 	pid = sys_clone3(&args, sizeof(struct __clone_args));  in clone_into_cgroup()
389 	if (pid < 0 && (errno == ENOSYS || errno == E2BIG))  in clone_into_cgroup()
392 	return pid;  in clone_into_cgroup()
400 int clone_reap(pid_t pid, int options)  in clone_reap()  argument
408 	ret = waitid(P_PID, pid, &info, options | __WALL | __WNOTHREAD);  in clone_reap()
450 	pid_t pid;  in clone_into_cgroup_run_nowait()  local
456 	pid = clone_into_cgroup(cgroup_fd);  in clone_into_cgroup_run_nowait()
458 	if (pid == 0)  in clone_into_cgroup_run_nowait()
461 	return pid;  in clone_into_cgroup_run_nowait()
468 	int pid;  in cg_run_nowait()  local
470 	pid = clone_into_cgroup_run_nowait(cgroup, fn, arg);  in cg_run_nowait()
471 	if (pid > 0)  in cg_run_nowait()
472 		return pid;  in cg_run_nowait()
475 	if (pid < 0 && errno != ENOSYS)  in cg_run_nowait()
478 	pid = fork();  in cg_run_nowait()
479 	if (pid == 0) {  in cg_run_nowait()
488 	return pid;  in cg_run_nowait()
548 int set_oom_adj_score(int pid, int score)  in set_oom_adj_score()  argument
553 	sprintf(path, "/proc/%d/oom_score_adj", pid);  in set_oom_adj_score()
581 ssize_t proc_read_text(int pid, bool thread, const char *item, char *buf, size_t size)  in proc_read_text()  argument
586 	if (!pid)  in proc_read_text()
590 		snprintf(path, sizeof(path), "/proc/%d/%s", pid, item);  in proc_read_text()
596 int proc_read_strstr(int pid, bool thread, const char *item, const char *needle)  in proc_read_strstr()  argument
600 	if (proc_read_text(pid, thread, item, buf, sizeof(buf)) < 0)  in proc_read_strstr()
609 	pid_t pid;  in clone_into_cgroup_run_wait()  local
615 	pid = clone_into_cgroup(cgroup_fd);  in clone_into_cgroup_run_wait()
617 	if (pid < 0)  in clone_into_cgroup_run_wait()
620 	if (pid == 0)  in clone_into_cgroup_run_wait()
627 	(void)clone_reap(pid, WEXITED);  in clone_into_cgroup_run_wait()