tests-mx32/net-yy-unix.c - platform/external/strace.git - Git at Google

 /*
  * This file is part of net-yy-unix strace test.
  *
  * Copyright (c) 2013-2017 Dmitry V. Levin <ldv@altlinux.org>
  * Copyright (c) 2016-2018 The strace developers.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. The name of the author may not be used to endorse or promote products
  *    derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 #include "tests.h"
 #include <assert.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 #include <sys/socket.h>
 #include <sys/un.h>

 #include "accept_compat.h"

 #define TEST_SOCKET "net-yy-unix.socket"

 int
 main(void)
 {
 	skip_if_unavailable("/proc/self/fd/");

 	struct sockaddr_un addr = {
 		.sun_family = AF_UNIX,
 		.sun_path = TEST_SOCKET
 	};
 	struct sockaddr * const listen_sa = tail_memdup(&addr, sizeof(addr));

 	TAIL_ALLOC_OBJECT_CONST_PTR(socklen_t, len);
 	*len = offsetof(struct sockaddr_un, sun_path) + strlen(TEST_SOCKET) + 1;
 	if (*len > sizeof(addr))
 		*len = sizeof(addr);

 	int listen_fd = socket(AF_UNIX, SOCK_STREAM, 0);
 	if (listen_fd < 0)
 		perror_msg_and_skip("socket");
 	unsigned long listen_inode = inode_of_sockfd(listen_fd);
 	printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<UNIX:[%lu]>\n",
 	       listen_fd, listen_inode);

 	(void) unlink(TEST_SOCKET);
 	if (bind(listen_fd, listen_sa, *len))
 		perror_msg_and_skip("bind");
 	printf("bind(%d<UNIX:[%lu]>, {sa_family=AF_UNIX, sun_path=\"%s\"}"
 	       ", %u) = 0\n",
 	       listen_fd, listen_inode, TEST_SOCKET, (unsigned) *len);

 	if (listen(listen_fd, 1))
 		perror_msg_and_skip("listen");
 	printf("listen(%d<UNIX:[%lu,\"%s\"]>, 1) = 0\n",
 	       listen_fd, listen_inode, TEST_SOCKET);

 	TAIL_ALLOC_OBJECT_CONST_PTR(unsigned int, optval);
 	*len = sizeof(*optval);
 	if (getsockopt(listen_fd, SOL_SOCKET, SO_PASSCRED, optval, len))
 		perror_msg_and_fail("getsockopt");
 	printf("getsockopt(%d<UNIX:[%lu,\"%s\"]>, SOL_SOCKET, SO_PASSCRED"
 	       ", [%u], [%u]) = 0\n",
 	       listen_fd, listen_inode, TEST_SOCKET, *optval, (unsigned) *len);

 	memset(listen_sa, 0, sizeof(addr));
 	*len = sizeof(addr);
 	if (getsockname(listen_fd, listen_sa, len))
 		perror_msg_and_fail("getsockname");
 	printf("getsockname(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
 	       ", sun_path=\"%s\"}, [%d->%d]) = 0\n", listen_fd, listen_inode,
 	       TEST_SOCKET, TEST_SOCKET, (int) sizeof(addr), (int) *len);

 	int connect_fd = socket(AF_UNIX, SOCK_STREAM, 0);
 	if (connect_fd < 0)
 		perror_msg_and_fail("socket");
 	unsigned long connect_inode = inode_of_sockfd(connect_fd);
 	printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<UNIX:[%lu]>\n",
 	       connect_fd, connect_inode);

 	if (connect(connect_fd, listen_sa, *len))
 		perror_msg_and_fail("connect");
 	printf("connect(%d<UNIX:[%lu]>, {sa_family=AF_UNIX"
 	       ", sun_path=\"%s\"}, %u) = 0\n",
 	       connect_fd, connect_inode, TEST_SOCKET, (unsigned) *len);

 	struct sockaddr * const accept_sa = tail_alloc(sizeof(addr));
 	memset(accept_sa, 0, sizeof(addr));
 	*len = sizeof(addr);
 	int accept_fd = do_accept(listen_fd, accept_sa, len);
 	if (accept_fd < 0)
 		perror_msg_and_fail("accept");
 	unsigned long accept_inode = inode_of_sockfd(accept_fd);
 	printf("accept(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX}"
 	       ", [%d->%d]) = %d<UNIX:[%lu->%lu,\"%s\"]>\n",
 	       listen_fd, listen_inode, TEST_SOCKET,
 	       (int) sizeof(addr), (int) *len,
 	       accept_fd, accept_inode, connect_inode, TEST_SOCKET);

 	memset(listen_sa, 0, sizeof(addr));
 	*len = sizeof(addr);
 	if (getpeername(connect_fd, listen_sa, len))
 		perror_msg_and_fail("getpeername");
 	printf("getpeername(%d<UNIX:[%lu->%lu]>, {sa_family=AF_UNIX"
 	       ", sun_path=\"%s\"}, [%d->%d]) = 0\n",
 	       connect_fd, connect_inode,
 	       accept_inode, TEST_SOCKET, (int) sizeof(addr), (int) *len);

 	char text[] = "text";
 	assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0)
 	       == sizeof(text) - 1);
 	printf("sendto(%d<UNIX:[%lu->%lu]>, \"%s\", %u, MSG_DONTWAIT"
 	       ", NULL, 0) = %u\n",
 	       connect_fd, connect_inode, accept_inode, text,
 	       (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);

 	assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL)
 	       == sizeof(text) - 1);
 	printf("recvfrom(%d<UNIX:[%lu->%lu,\"%s\"]>, \"%s\", %u, MSG_DONTWAIT"
 	       ", NULL, NULL) = %u\n",
 	       accept_fd, accept_inode, connect_inode, TEST_SOCKET, text,
 	       (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);

 	assert(close(connect_fd) == 0);
 	printf("close(%d<UNIX:[%lu->%lu]>) = 0\n",
 	       connect_fd, connect_inode, accept_inode);

 	assert(close(accept_fd) == 0);
 	printf("close(%d<UNIX:[%lu->%lu,\"%s\"]>) = 0\n",
 	       accept_fd, accept_inode, connect_inode, TEST_SOCKET);

 	connect_fd = socket(AF_UNIX, SOCK_STREAM, 0);
 	if (connect_fd < 0)
 		perror_msg_and_fail("socket");
 	connect_inode = inode_of_sockfd(connect_fd);
 	printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<UNIX:[%lu]>\n",
 	       connect_fd, connect_inode);

 	*optval = 1;
 	*len = sizeof(*optval);
 	if (setsockopt(connect_fd, SOL_SOCKET, SO_PASSCRED, optval, *len))
 		perror_msg_and_fail("setsockopt");
 	printf("setsockopt(%d<UNIX:[%lu]>, SOL_SOCKET, SO_PASSCRED"
 	       ", [%u], %u) = 0\n",
 	       connect_fd, connect_inode, *optval, (unsigned) *len);

 	memset(listen_sa, 0, sizeof(addr));
 	*len = sizeof(addr);
 	if (getsockname(listen_fd, listen_sa, len))
 		perror_msg_and_fail("getsockname");
 	printf("getsockname(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
 	       ", sun_path=\"%s\"}, [%d->%d]) = 0\n", listen_fd, listen_inode,
 	       TEST_SOCKET, TEST_SOCKET, (int) sizeof(addr), (int) *len);

 	if (connect(connect_fd, listen_sa, *len))
 		perror_msg_and_fail("connect");
 	printf("connect(%d<UNIX:[%lu]>, {sa_family=AF_UNIX"
 	       ", sun_path=\"%s\"}, %u) = 0\n",
 	       connect_fd, connect_inode, TEST_SOCKET, (unsigned) *len);

 	memset(accept_sa, 0, sizeof(addr));
 	*len = sizeof(addr);
 	accept_fd = do_accept(listen_fd, accept_sa, len);
 	if (accept_fd < 0)
 		perror_msg_and_fail("accept");
 	accept_inode = inode_of_sockfd(accept_fd);
 	const char * const sun_path1 =
 		((struct sockaddr_un *) accept_sa)->sun_path + 1;
 	printf("accept(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
 	       ", sun_path=@\"%s\"}, [%d->%d]) = %d<UNIX:[%lu->%lu,\"%s\"]>\n",
 	       listen_fd, listen_inode, TEST_SOCKET, sun_path1,
 	       (int) sizeof(addr), (int) *len,
 	       accept_fd, accept_inode, connect_inode, TEST_SOCKET);

 	memset(listen_sa, 0, sizeof(addr));
 	*len = sizeof(addr);
 	if (getpeername(connect_fd, listen_sa, len))
 		perror_msg_and_fail("getpeername");
 	printf("getpeername(%d<UNIX:[%lu->%lu,@\"%s\"]>, {sa_family=AF_UNIX"
 	       ", sun_path=\"%s\"}, [%d->%d]) = 0\n", connect_fd, connect_inode,
 	       accept_inode, sun_path1, TEST_SOCKET, (int) sizeof(addr), (int) *len);

 	assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0)
 	       == sizeof(text) - 1);
 	printf("sendto(%d<UNIX:[%lu->%lu,@\"%s\"]>, \"%s\", %u, MSG_DONTWAIT"
 	       ", NULL, 0) = %u\n",
 	       connect_fd, connect_inode, accept_inode, sun_path1, text,
 	       (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);

 	assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL)
 	       == sizeof(text) - 1);
 	printf("recvfrom(%d<UNIX:[%lu->%lu,\"%s\"]>, \"%s\", %u, MSG_DONTWAIT"
 	       ", NULL, NULL) = %u\n",
 	       accept_fd, accept_inode, connect_inode, TEST_SOCKET, text,
 	       (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);

 	assert(close(connect_fd) == 0);
 	printf("close(%d<UNIX:[%lu->%lu,@\"%s\"]>) = 0\n",
 	       connect_fd, connect_inode, accept_inode, sun_path1);

 	assert(close(accept_fd) == 0);
 	printf("close(%d<UNIX:[%lu->%lu,\"%s\"]>) = 0\n",
 	       accept_fd, accept_inode, connect_inode, TEST_SOCKET);

 	assert(unlink(TEST_SOCKET) == 0);

 	assert(close(listen_fd) == 0);
 	printf("close(%d<UNIX:[%lu,\"%s\"]>) = 0\n",
 	       listen_fd, listen_inode, TEST_SOCKET);

 	puts("+++ exited with 0 +++");
 	return 0;
 }
	/*
	* This file is part of net-yy-unix strace test.
	*
	* Copyright (c) 2013-2017 Dmitry V. Levin <ldv@altlinux.org>
	* Copyright (c) 2016-2018 The strace developers.
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	* 3. The name of the author may not be used to endorse or promote products
	* derived from this software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#include "tests.h"
	#include <assert.h>
	#include <stddef.h>
	#include <stdio.h>
	#include <stdlib.h>
	#include <string.h>
	#include <unistd.h>
	#include <sys/socket.h>
	#include <sys/un.h>

	#include "accept_compat.h"

	#define TEST_SOCKET "net-yy-unix.socket"

	int
	main(void)
	{
	skip_if_unavailable("/proc/self/fd/");

	struct sockaddr_un addr = {
	.sun_family = AF_UNIX,
	.sun_path = TEST_SOCKET
	};
	struct sockaddr * const listen_sa = tail_memdup(&addr, sizeof(addr));

	TAIL_ALLOC_OBJECT_CONST_PTR(socklen_t, len);
	*len = offsetof(struct sockaddr_un, sun_path) + strlen(TEST_SOCKET) + 1;
	if (*len > sizeof(addr))
	*len = sizeof(addr);

	int listen_fd = socket(AF_UNIX, SOCK_STREAM, 0);
	if (listen_fd < 0)
	perror_msg_and_skip("socket");
	unsigned long listen_inode = inode_of_sockfd(listen_fd);
	printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<UNIX:[%lu]>\n",
	listen_fd, listen_inode);

	(void) unlink(TEST_SOCKET);
	if (bind(listen_fd, listen_sa, *len))
	perror_msg_and_skip("bind");
	printf("bind(%d<UNIX:[%lu]>, {sa_family=AF_UNIX, sun_path=\"%s\"}"
	", %u) = 0\n",
	listen_fd, listen_inode, TEST_SOCKET, (unsigned) *len);

	if (listen(listen_fd, 1))
	perror_msg_and_skip("listen");
	printf("listen(%d<UNIX:[%lu,\"%s\"]>, 1) = 0\n",
	listen_fd, listen_inode, TEST_SOCKET);

	TAIL_ALLOC_OBJECT_CONST_PTR(unsigned int, optval);
	len = sizeof(optval);
	if (getsockopt(listen_fd, SOL_SOCKET, SO_PASSCRED, optval, len))
	perror_msg_and_fail("getsockopt");
	printf("getsockopt(%d<UNIX:[%lu,\"%s\"]>, SOL_SOCKET, SO_PASSCRED"
	", [%u], [%u]) = 0\n",
	listen_fd, listen_inode, TEST_SOCKET, optval, (unsigned) len);

	memset(listen_sa, 0, sizeof(addr));
	*len = sizeof(addr);
	if (getsockname(listen_fd, listen_sa, len))
	perror_msg_and_fail("getsockname");
	printf("getsockname(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
	", sun_path=\"%s\"}, [%d->%d]) = 0\n", listen_fd, listen_inode,
	TEST_SOCKET, TEST_SOCKET, (int) sizeof(addr), (int) *len);

	int connect_fd = socket(AF_UNIX, SOCK_STREAM, 0);
	if (connect_fd < 0)
	perror_msg_and_fail("socket");
	unsigned long connect_inode = inode_of_sockfd(connect_fd);
	printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<UNIX:[%lu]>\n",
	connect_fd, connect_inode);

	if (connect(connect_fd, listen_sa, *len))
	perror_msg_and_fail("connect");
	printf("connect(%d<UNIX:[%lu]>, {sa_family=AF_UNIX"
	", sun_path=\"%s\"}, %u) = 0\n",
	connect_fd, connect_inode, TEST_SOCKET, (unsigned) *len);

	struct sockaddr * const accept_sa = tail_alloc(sizeof(addr));
	memset(accept_sa, 0, sizeof(addr));
	*len = sizeof(addr);
	int accept_fd = do_accept(listen_fd, accept_sa, len);
	if (accept_fd < 0)
	perror_msg_and_fail("accept");
	unsigned long accept_inode = inode_of_sockfd(accept_fd);
	printf("accept(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX}"
	", [%d->%d]) = %d<UNIX:[%lu->%lu,\"%s\"]>\n",
	listen_fd, listen_inode, TEST_SOCKET,
	(int) sizeof(addr), (int) *len,
	accept_fd, accept_inode, connect_inode, TEST_SOCKET);

	memset(listen_sa, 0, sizeof(addr));
	*len = sizeof(addr);
	if (getpeername(connect_fd, listen_sa, len))
	perror_msg_and_fail("getpeername");
	printf("getpeername(%d<UNIX:[%lu->%lu]>, {sa_family=AF_UNIX"
	", sun_path=\"%s\"}, [%d->%d]) = 0\n",
	connect_fd, connect_inode,
	accept_inode, TEST_SOCKET, (int) sizeof(addr), (int) *len);

	char text[] = "text";
	assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0)
	== sizeof(text) - 1);
	printf("sendto(%d<UNIX:[%lu->%lu]>, \"%s\", %u, MSG_DONTWAIT"
	", NULL, 0) = %u\n",
	connect_fd, connect_inode, accept_inode, text,
	(unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);

	assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL)
	== sizeof(text) - 1);
	printf("recvfrom(%d<UNIX:[%lu->%lu,\"%s\"]>, \"%s\", %u, MSG_DONTWAIT"
	", NULL, NULL) = %u\n",
	accept_fd, accept_inode, connect_inode, TEST_SOCKET, text,
	(unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);

	assert(close(connect_fd) == 0);
	printf("close(%d<UNIX:[%lu->%lu]>) = 0\n",
	connect_fd, connect_inode, accept_inode);

	assert(close(accept_fd) == 0);
	printf("close(%d<UNIX:[%lu->%lu,\"%s\"]>) = 0\n",
	accept_fd, accept_inode, connect_inode, TEST_SOCKET);

	connect_fd = socket(AF_UNIX, SOCK_STREAM, 0);
	if (connect_fd < 0)
	perror_msg_and_fail("socket");
	connect_inode = inode_of_sockfd(connect_fd);
	printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<UNIX:[%lu]>\n",
	connect_fd, connect_inode);

	*optval = 1;
	len = sizeof(optval);
	if (setsockopt(connect_fd, SOL_SOCKET, SO_PASSCRED, optval, *len))
	perror_msg_and_fail("setsockopt");
	printf("setsockopt(%d<UNIX:[%lu]>, SOL_SOCKET, SO_PASSCRED"
	", [%u], %u) = 0\n",
	connect_fd, connect_inode, optval, (unsigned) len);

	memset(listen_sa, 0, sizeof(addr));
	*len = sizeof(addr);
	if (getsockname(listen_fd, listen_sa, len))
	perror_msg_and_fail("getsockname");
	printf("getsockname(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
	", sun_path=\"%s\"}, [%d->%d]) = 0\n", listen_fd, listen_inode,
	TEST_SOCKET, TEST_SOCKET, (int) sizeof(addr), (int) *len);

	if (connect(connect_fd, listen_sa, *len))
	perror_msg_and_fail("connect");
	printf("connect(%d<UNIX:[%lu]>, {sa_family=AF_UNIX"
	", sun_path=\"%s\"}, %u) = 0\n",
	connect_fd, connect_inode, TEST_SOCKET, (unsigned) *len);

	memset(accept_sa, 0, sizeof(addr));
	*len = sizeof(addr);
	accept_fd = do_accept(listen_fd, accept_sa, len);
	if (accept_fd < 0)
	perror_msg_and_fail("accept");
	accept_inode = inode_of_sockfd(accept_fd);
	const char * const sun_path1 =
	((struct sockaddr_un *) accept_sa)->sun_path + 1;
	printf("accept(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
	", sun_path=@\"%s\"}, [%d->%d]) = %d<UNIX:[%lu->%lu,\"%s\"]>\n",
	listen_fd, listen_inode, TEST_SOCKET, sun_path1,
	(int) sizeof(addr), (int) *len,
	accept_fd, accept_inode, connect_inode, TEST_SOCKET);

	memset(listen_sa, 0, sizeof(addr));
	*len = sizeof(addr);
	if (getpeername(connect_fd, listen_sa, len))
	perror_msg_and_fail("getpeername");
	printf("getpeername(%d<UNIX:[%lu->%lu,@\"%s\"]>, {sa_family=AF_UNIX"
	", sun_path=\"%s\"}, [%d->%d]) = 0\n", connect_fd, connect_inode,
	accept_inode, sun_path1, TEST_SOCKET, (int) sizeof(addr), (int) *len);

	assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0)
	== sizeof(text) - 1);
	printf("sendto(%d<UNIX:[%lu->%lu,@\"%s\"]>, \"%s\", %u, MSG_DONTWAIT"
	", NULL, 0) = %u\n",
	connect_fd, connect_inode, accept_inode, sun_path1, text,
	(unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);

	assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL)
	== sizeof(text) - 1);
	printf("recvfrom(%d<UNIX:[%lu->%lu,\"%s\"]>, \"%s\", %u, MSG_DONTWAIT"
	", NULL, NULL) = %u\n",
	accept_fd, accept_inode, connect_inode, TEST_SOCKET, text,
	(unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);

	assert(close(connect_fd) == 0);
	printf("close(%d<UNIX:[%lu->%lu,@\"%s\"]>) = 0\n",
	connect_fd, connect_inode, accept_inode, sun_path1);

	assert(close(accept_fd) == 0);
	printf("close(%d<UNIX:[%lu->%lu,\"%s\"]>) = 0\n",
	accept_fd, accept_inode, connect_inode, TEST_SOCKET);

	assert(unlink(TEST_SOCKET) == 0);

	assert(close(listen_fd) == 0);
	printf("close(%d<UNIX:[%lu,\"%s\"]>) = 0\n",
	listen_fd, listen_inode, TEST_SOCKET);

	puts("+++ exited with 0 +++");
	return 0;
	}