171                 int pair[2];  in TEST()  local
199                 assert_se(socketpair(AF_UNIX, SOCK_STREAM, 0, pair) >= 0);  in TEST()
201                 assert_se(getpeercred(pair[0], &ucred) >= 0);  in TEST()
210                         r = getpeergroups(pair[0], &peer_groups);  in TEST()
219                 safe_close_pair(pair);  in TEST()
226         _cleanup_close_pair_ int pair[2] = { -1, -1 };  in TEST()  local
229         assert_se(socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) >= 0);  in TEST()
236                 pair[0] = safe_close(pair[0]);  in TEST()
245                 assert_se(send_one_fd(pair[1], tmpfd, MSG_DONTWAIT) == 0);  in TEST()
254         pair[1] = safe_close(pair[1]);  in TEST()
256         assert_se(receive_one_fd_iov(pair[0], &iov, 1, MSG_DONTWAIT, &fd) == 0);  in TEST()
266         _cleanup_close_pair_ int pair[2] = { -1, -1 };  in TEST()  local
271         assert_se(socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) >= 0);  in TEST()
281                 pair[0] = safe_close(pair[0]);  in TEST()
289                 assert_se(send_one_fd_iov(pair[1], tmpfd, &iov, 1, MSG_DONTWAIT) > 0);  in TEST()
299         pair[1] = safe_close(pair[1]);  in TEST()
301         k = receive_one_fd_iov(pair[0], &iov, 1, MSG_DONTWAIT, &fd);  in TEST()
314         _cleanup_close_pair_ int pair[2] = { -1, -1 };  in TEST()  local
318         assert_se(socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) >= 0);  in TEST()
327                 pair[0] = safe_close(pair[0]);  in TEST()
329                 assert_se(send_one_fd_iov(pair[1], -1, &iov, 1, MSG_DONTWAIT) > 0);  in TEST()
339         pair[1] = safe_close(pair[1]);  in TEST()
341         k = receive_one_fd_iov(pair[0], &iov, 1, MSG_DONTWAIT, &fd);  in TEST()
351         _cleanup_close_pair_ int pair[2] = { -1, -1 };  in TEST()  local
354         assert_se(socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) >= 0);  in TEST()
361                 pair[0] = safe_close(pair[0]);  in TEST()
363                 assert_se(send_one_fd_iov(pair[1], -1, NULL, 0, MSG_DONTWAIT) == -EINVAL);  in TEST()
373         pair[1] = safe_close(pair[1]);  in TEST()
375         k = receive_one_fd_iov(pair[0], &iov, 1, MSG_DONTWAIT, &fd);  in TEST()
384         _cleanup_close_pair_ int pair[2] = { -1, -1 };  in TEST()  local
387         assert_se(socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) >= 0);  in TEST()
397                 pair[0] = safe_close(pair[0]);  in TEST()
400                 assert_se(send_one_fd_iov(pair[1], -1, &iov, 1, MSG_DONTWAIT) == 0);  in TEST()
410         pair[1] = safe_close(pair[1]);  in TEST()
412         k = receive_one_fd_iov(pair[0], &iov, 1, MSG_DONTWAIT, &fd);  in TEST()