1152 static int map_ids(pid_t pid, unsigned long nsid, unsigned long hostid,  in map_ids()  argument
1157 	snprintf(procfile, sizeof(procfile), "/proc/%d/uid_map", pid);  in map_ids()
1163 	snprintf(procfile, sizeof(procfile), "/proc/%d/gid_map", pid);  in map_ids()
1192 static int wait_for_pid(pid_t pid)  in wait_for_pid()  argument
1197 	ret = waitpid(pid, &status, 0);  in wait_for_pid()
1214 	pid_t pid;  in get_userns_fd()  local
1217 	pid = do_clone(get_userns_fd_cb, NULL, CLONE_NEWUSER);  in get_userns_fd()
1218 	if (pid < 0)  in get_userns_fd()
1221 	ret = map_ids(pid, nsid, hostid, range);  in get_userns_fd()
1225 	snprintf(path, sizeof(path), "/proc/%d/ns/user", pid);  in get_userns_fd()
1227 	kill(pid, SIGKILL);  in get_userns_fd()
1228 	wait_for_pid(pid);  in get_userns_fd()