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()
305 int cg_enter(const char *cgroup, int pid)  in cg_enter()  argument
309 	snprintf(pidbuf, sizeof(pidbuf), "%d", pid);  in cg_enter()
327 	int pid, retcode;  in cg_run()  local
329 	pid = fork();  in cg_run()
330 	if (pid < 0) {  in cg_run()
331 		return pid;  in cg_run()
332 	} else if (pid == 0) {  in cg_run()
340 		waitpid(pid, &retcode, 0);  in cg_run()
351 	pid_t pid;  in clone_into_cgroup()  local
359 	pid = sys_clone3(&args, sizeof(struct __clone_args));  in clone_into_cgroup()
365 	if (pid < 0 && (errno == ENOSYS || errno == E2BIG))  in clone_into_cgroup()
368 	return pid;  in clone_into_cgroup()
376 int clone_reap(pid_t pid, int options)  in clone_reap()  argument
384 	ret = waitid(P_PID, pid, &info, options | __WALL | __WNOTHREAD);  in clone_reap()
426 	pid_t pid;  in clone_into_cgroup_run_nowait()  local
432 	pid = clone_into_cgroup(cgroup_fd);  in clone_into_cgroup_run_nowait()
434 	if (pid == 0)  in clone_into_cgroup_run_nowait()
437 	return pid;  in clone_into_cgroup_run_nowait()
444 	int pid;  in cg_run_nowait()  local
446 	pid = clone_into_cgroup_run_nowait(cgroup, fn, arg);  in cg_run_nowait()
447 	if (pid > 0)  in cg_run_nowait()
448 		return pid;  in cg_run_nowait()
451 	if (pid < 0 && errno != ENOSYS)  in cg_run_nowait()
454 	pid = fork();  in cg_run_nowait()
455 	if (pid == 0) {  in cg_run_nowait()
464 	return pid;  in cg_run_nowait()
524 int set_oom_adj_score(int pid, int score)  in set_oom_adj_score()  argument
529 	sprintf(path, "/proc/%d/oom_score_adj", pid);  in set_oom_adj_score()
557 ssize_t proc_read_text(int pid, bool thread, const char *item, char *buf, size_t size)  in proc_read_text()  argument
562 	if (!pid)  in proc_read_text()
566 		snprintf(path, sizeof(path), "/proc/%d/%s", pid, item);  in proc_read_text()
572 int proc_read_strstr(int pid, bool thread, const char *item, const char *needle)  in proc_read_strstr()  argument
576 	if (proc_read_text(pid, thread, item, buf, sizeof(buf)) < 0)  in proc_read_strstr()
585 	pid_t pid;  in clone_into_cgroup_run_wait()  local
591 	pid = clone_into_cgroup(cgroup_fd);  in clone_into_cgroup_run_wait()
593 	if (pid < 0)  in clone_into_cgroup_run_wait()
596 	if (pid == 0)  in clone_into_cgroup_run_wait()
603 	(void)clone_reap(pid, WEXITED);  in clone_into_cgroup_run_wait()