selftests/pidfd/pidfd_info_test.c

44 	int ipc_sockets[2];
47 	ret = socketpair(AF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, ipc_sockets);
54 		close(ipc_sockets[0]);
56 		if (write_nointr(ipc_sockets[1], "1", 1) < 0)
59 		close(ipc_sockets[1]);
65 	EXPECT_EQ(close(ipc_sockets[1]), 0);
66 	ASSERT_EQ(read_nointr(ipc_sockets[0], &c, 1), 1);
67 	EXPECT_EQ(close(ipc_sockets[0]), 0);
72 	ret = socketpair(AF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, ipc_sockets);
79 		close(ipc_sockets[0]);
81 		if (write_nointr(ipc_sockets[1], "1", 1) < 0)
84 		close(ipc_sockets[1]);
90 	EXPECT_EQ(close(ipc_sockets[1]), 0);
91 	ASSERT_EQ(read_nointr(ipc_sockets[0], &c, 1), 1);
92 	EXPECT_EQ(close(ipc_sockets[0]), 0);
242 	int ipc_sockets[2];
248 	ret = socketpair(AF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, ipc_sockets);
255 		close(ipc_sockets[0]);
258 		if (pthread_create(&thread, NULL, pidfd_info_pause_thread, &ipc_sockets[1]))
295 	EXPECT_EQ(close(ipc_sockets[1]), 0);
296 	ASSERT_EQ(read_nointr(ipc_sockets[0], &pid_thread, sizeof(pid_thread)), sizeof(pid_thread));
297 	EXPECT_EQ(close(ipc_sockets[0]), 0);
420 	int ipc_sockets[2];
426 	ret = socketpair(AF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, ipc_sockets);
433 		close(ipc_sockets[0]);
436 		if (pthread_create(&thread, NULL, pidfd_info_thread_exec, &ipc_sockets[1]))
475 	EXPECT_EQ(close(ipc_sockets[1]), 0);
476 	ASSERT_EQ(read_nointr(ipc_sockets[0], &pid_thread, sizeof(pid_thread)), sizeof(pid_thread));
483 	ASSERT_EQ(write_nointr(ipc_sockets[0], &pid_thread, sizeof(pid_thread)), sizeof(pid_thread));
484 	EXPECT_EQ(close(ipc_sockets[0]), 0);
569 	int ipc_sockets[2];
575 	ret = socketpair(AF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, ipc_sockets);
582 		close(ipc_sockets[0]);
585 		if (pthread_create(&thread, NULL, pidfd_info_thread_exec_sane, &ipc_sockets[1]))
597 	EXPECT_EQ(close(ipc_sockets[1]), 0);
598 	ASSERT_EQ(read_nointr(ipc_sockets[0], &pid_thread, sizeof(pid_thread)), sizeof(pid_thread));
631 	ASSERT_EQ(write_nointr(ipc_sockets[0], &pid_thread, sizeof(pid_thread)), sizeof(pid_thread));
632 	EXPECT_EQ(close(ipc_sockets[0]), 0);