PF_LOCAL
if (socketpair(PF_LOCAL, SOCK_SEQPACKET, 0, sk_pair) < 0) {
ret = socketpair(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, syncfds);
ret = socketpair(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, syncfds);
ret = socketpair(PF_LOCAL, SOCK_SEQPACKET, 0, sock);
if (socketpair(PF_LOCAL, SOCK_SEQPACKET, 0, cmd_sock)) {
ASSERT_EQ(0, socketpair(PF_LOCAL, SOCK_SEQPACKET, 0, sk_pair)) {
ASSERT_EQ(socketpair(PF_LOCAL, SOCK_SEQPACKET, 0, sk_pair), 0);
ASSERT_EQ(socketpair(PF_LOCAL, SOCK_SEQPACKET, 0, sk_pair), 0);
ASSERT_EQ(socketpair(PF_LOCAL, SOCK_SEQPACKET, 0, sk_pair), 0);