xref: /freebsd/tests/sys/kern/unix_seqpacket_test.c (revision 911f0260390e18cf85f3dbf2c719b593efdc1e3c)
1 /*-
2  * Copyright (c) 2014 Spectra Logic Corporation. All rights reserved.
3  * Redistribution and use in source and binary forms, with or without
4  * modification, are permitted provided that the following conditions
5  * are met:
6  * 1. Redistributions of source code must retain the above copyright
7  *    notice, this list of conditions and the following disclaimer.
8  * 2. Redistributions in binary form must reproduce the above copyright
9  *    notice, this list of conditions and the following disclaimer in the
10  *    documentation and/or other materials provided with the distribution.
11  *
12  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
13  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
14  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
15  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
16  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
17  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
18  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
19  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
20  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
21  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
22  * SUCH DAMAGE.
23  */
24 
25 #include <sys/cdefs.h>
26 __FBSDID("$FreeBSD$");
27 
28 #include <errno.h>
29 #include <fcntl.h>
30 #include <pthread.h>
31 #include <signal.h>
32 #include <sys/socket.h>
33 #include <sys/un.h>
34 
35 #include <stdio.h>
36 
37 #include <atf-c.h>
38 
39 /*
40  * Helper functions
41  */
42 
43 #define MIN(x, y)	((x) < (y) ? (x) : (y))
44 #define MAX(x, y)	((x) > (y) ? (x) : (y))
45 
46 static void
47 do_socketpair(int *sv)
48 {
49 	int s;
50 
51 	s = socketpair(PF_LOCAL, SOCK_SEQPACKET, 0, sv);
52 	ATF_REQUIRE_EQ(0, s);
53 	ATF_REQUIRE(sv[0] >= 0);
54 	ATF_REQUIRE(sv[1] >= 0);
55 	ATF_REQUIRE(sv[0] != sv[1]);
56 }
57 
58 static void
59 do_socketpair_nonblocking(int *sv)
60 {
61 	int s;
62 
63 	s = socketpair(PF_LOCAL, SOCK_SEQPACKET, 0, sv);
64 	ATF_REQUIRE_EQ(0, s);
65 	ATF_REQUIRE(sv[0] >= 0);
66 	ATF_REQUIRE(sv[1] >= 0);
67 	ATF_REQUIRE(sv[0] != sv[1]);
68 	ATF_REQUIRE(-1 != fcntl(sv[0], F_SETFL, O_NONBLOCK));
69 	ATF_REQUIRE(-1 != fcntl(sv[1], F_SETFL, O_NONBLOCK));
70 }
71 
72 /*
73  * Returns a pair of sockets made the hard way: bind, listen, connect & accept
74  * @return	const char* The path to the socket
75  */
76 static const char*
77 mk_pair_of_sockets(int *sv)
78 {
79 	struct sockaddr_un sun;
80 	/* ATF's isolation mechanisms will guarantee uniqueness of this file */
81 	const char *path = "sock";
82 	int s, err, s2, s1;
83 
84 	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
85 	ATF_REQUIRE(s >= 0);
86 
87 	bzero(&sun, sizeof(sun));
88 	sun.sun_family = AF_LOCAL;
89 	sun.sun_len = sizeof(sun);
90 	strlcpy(sun.sun_path, path, sizeof(sun.sun_path));
91 	err = bind(s, (struct sockaddr *)&sun, sizeof(sun));
92 	err = listen(s, -1);
93 	ATF_CHECK_EQ(0, err);
94 
95 	/* Create the other socket */
96 	s2 = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
97 	ATF_REQUIRE(s2 >= 0);
98 	err = connect(s2, (struct sockaddr*)&sun, sizeof(sun));
99 	if (err != 0) {
100 		perror("connect");
101 		atf_tc_fail("connect(2) failed");
102 	}
103 
104 	/* Accept it */
105 	s1 = accept(s, NULL, NULL);
106 	if (s1 == -1) {
107 		perror("accept");
108 		atf_tc_fail("accept(2) failed");
109 	}
110 
111 	sv[0] = s1;
112 	sv[1] = s2;
113 
114 	close(s);
115 
116 	return (path);
117 }
118 
119 static volatile sig_atomic_t got_sigpipe = 0;
120 static void
121 shutdown_send_sigpipe_handler(int __unused x)
122 {
123 	got_sigpipe = 1;
124 }
125 
126 /*
127  * Parameterized test function bodies
128  */
129 static void
130 test_eagain(int sndbufsize, int rcvbufsize)
131 {
132 	int i;
133 	int sv[2];
134 	const size_t totalsize = (sndbufsize + rcvbufsize) * 2;
135 	const size_t pktsize = MIN(sndbufsize, rcvbufsize) / 4;
136 	const int numpkts = totalsize / pktsize;
137 	char sndbuf[pktsize];
138 	ssize_t ssize;
139 
140 	/* setup the socket pair */
141 	do_socketpair_nonblocking(sv);
142 	/* Setup the buffers */
143 	ATF_REQUIRE_EQ(0, setsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &sndbufsize,
144 	    sizeof(sndbufsize)));
145 	ATF_REQUIRE_EQ(0, setsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &rcvbufsize,
146 	    sizeof(rcvbufsize)));
147 
148 	bzero(sndbuf, pktsize);
149 	/* Send data until we get EAGAIN */
150 	for(i=0; i < numpkts; i++) {
151 		ssize = send(sv[0], sndbuf, pktsize, MSG_EOR);
152 		if (ssize == -1) {
153 			if (errno == EAGAIN) {
154 				close(sv[0]);
155 				close(sv[1]);
156 				atf_tc_pass();
157 			}
158 			else {
159 				perror("send");
160 				atf_tc_fail("send returned < 0 but not EAGAIN");
161 			}
162 		}
163 	}
164 	atf_tc_fail("Never got EAGAIN");
165 }
166 
167 static void
168 test_sendrecv_symmetric_buffers(int bufsize, int blocking) {
169 	int s;
170 	int sv[2];
171 	const ssize_t pktsize = bufsize / 2;
172 	char sndbuf[pktsize];
173 	char recv_buf[pktsize];
174 	ssize_t ssize, rsize;
175 
176 	/* setup the socket pair */
177 	if (blocking)
178 		do_socketpair(sv);
179 	else
180 		do_socketpair_nonblocking(sv);
181 
182 	/* Setup the buffers */
183 	s = setsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &bufsize, sizeof(bufsize));
184 	ATF_REQUIRE_EQ(0, s);
185 	s = setsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &bufsize, sizeof(bufsize));
186 	ATF_REQUIRE_EQ(0, s);
187 
188 	/* Fill the send buffer */
189 	bzero(sndbuf, pktsize);
190 
191 	/* send and receive the packet */
192 	ssize = send(sv[0], sndbuf, pktsize, MSG_EOR);
193 	if (ssize < 0) {
194 		perror("send");
195 		atf_tc_fail("send returned < 0");
196 	}
197 	ATF_CHECK_EQ_MSG(pktsize, ssize, "expected %zd=send(...) but got %zd",
198 	    pktsize, ssize);
199 
200 	rsize = recv(sv[1], recv_buf, pktsize, MSG_WAITALL);
201 	if (rsize < 0) {
202 		perror("recv");
203 		atf_tc_fail("recv returned < 0");
204 	}
205 	ATF_CHECK_EQ_MSG(pktsize, rsize, "expected %zd=send(...) but got %zd",
206 	    pktsize, rsize);
207 	close(sv[0]);
208 	close(sv[1]);
209 }
210 
211 static void
212 test_pipe_simulator(int sndbufsize, int rcvbufsize)
213 {
214 	int num_sent, num_received;
215 	int sv[2];
216 	const ssize_t pktsize = MIN(sndbufsize, rcvbufsize) / 4;
217 	int numpkts;
218 	char sndbuf[pktsize];
219 	char rcvbuf[pktsize];
220 	char comparebuf[pktsize];
221 	ssize_t ssize, rsize;
222 	bool currently_sending = true;
223 
224 	/* setup the socket pair */
225 	do_socketpair_nonblocking(sv);
226 	/* Setup the buffers */
227 	ATF_REQUIRE_EQ(0, setsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &sndbufsize,
228 	    sizeof(sndbufsize)));
229 	ATF_REQUIRE_EQ(0, setsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &rcvbufsize,
230 	    sizeof(rcvbufsize)));
231 
232 	/* Send a total amount of data comfortably greater than the buffers */
233 	numpkts = MAX(sndbufsize, rcvbufsize) * 8 / pktsize;
234 	for (num_sent=0, num_received=0;
235 	     num_sent < numpkts || num_received < numpkts; ) {
236 		if (currently_sending && num_sent < numpkts) {
237 			/* The simulated sending process */
238 			/* fill the buffer */
239 			memset(sndbuf, num_sent, pktsize);
240 			ssize = send(sv[0], sndbuf, pktsize, MSG_EOR);
241 			if (ssize < 0) {
242 				/*
243 				 * XXX: This is bug-compatible with the kernel.
244 				 * The kernel returns EMSGSIZE when it should
245 				 * return EAGAIN
246 				 */
247 				if (errno == EAGAIN || errno == EMSGSIZE)
248 					currently_sending = false;
249 				else {
250 					perror("send");
251 					atf_tc_fail("send failed");
252 				}
253 			} else  {
254 				ATF_CHECK_EQ_MSG(pktsize, ssize,
255 				    "expected %zd=send(...) but got %zd",
256 				    pktsize, ssize);
257 				num_sent++;
258 			}
259 		} else {
260 			/* The simulated receiving process */
261 			rsize = recv(sv[1], rcvbuf, pktsize, MSG_WAITALL);
262 			if (rsize < 0) {
263 				if (errno == EAGAIN) {
264 					currently_sending = true;
265 					ATF_REQUIRE_MSG(num_sent < numpkts,
266 					    "Packets were lost!");
267 				}
268 				else {
269 					perror("recv");
270 					atf_tc_fail("recv failed");
271 				}
272 			} else  {
273 				ATF_CHECK_EQ_MSG(pktsize, rsize,
274 				    "expected %zd=recv(...) but got %zd",
275 				    pktsize, rsize);
276 				memset(comparebuf, num_received, pktsize);
277 				ATF_CHECK_EQ_MSG(0, memcmp(comparebuf, rcvbuf,
278 				    			   pktsize),
279 				    "Received data miscompare");
280 				num_received++;
281 			}
282 		}
283 	}
284 	close(sv[0]);
285 	close(sv[1]);
286 }
287 
288 typedef struct {
289 	ssize_t	pktsize;
290 	int	numpkts;
291 	int	so;
292 } test_pipe_thread_data_t;
293 
294 static void*
295 test_pipe_writer(void* args)
296 {
297 	test_pipe_thread_data_t* td = args;
298 	char sndbuf[td->pktsize];
299 	ssize_t ssize;
300 	int i;
301 
302 	for(i=0; i < td->numpkts; i++) {
303 			memset(sndbuf, i, td->pktsize);
304 			ssize = send(td->so, sndbuf, td->pktsize, MSG_EOR);
305 			if (ssize < 0) {
306 				perror("send");
307 				atf_tc_fail("send returned < 0");
308 			}
309 			ATF_CHECK_EQ_MSG(td->pktsize, ssize,
310 			    		 "expected %zd=send(...) but got %zd",
311 			    		  td->pktsize, ssize);
312 	}
313 	return (0);
314 }
315 
316 static void*
317 test_pipe_reader(void* args)
318 {
319 	test_pipe_thread_data_t* td = args;
320 	char rcvbuf[td->pktsize];
321 	char comparebuf[td->pktsize];
322 	ssize_t rsize;
323 	int i, d;
324 
325 	for(i=0; i < td->numpkts; i++) {
326 		memset(comparebuf, i, td->pktsize);
327 		rsize = recv(td->so, rcvbuf, td->pktsize, MSG_WAITALL);
328 		if (rsize < 0) {
329 			perror("recv");
330 			atf_tc_fail("recv returned < 0");
331 		}
332 		ATF_CHECK_EQ_MSG(td->pktsize, rsize,
333 		    		 "expected %zd=send(...) but got %zd",
334 				 td->pktsize, rsize);
335 		d = memcmp(comparebuf, rcvbuf, td->pktsize);
336 		ATF_CHECK_EQ_MSG(0, d,
337 		    		 "Received data miscompare on packet %d", i);
338 	}
339 	return (0);
340 }
341 
342 
343 static void
344 test_pipe(int sndbufsize, int rcvbufsize)
345 {
346 	test_pipe_thread_data_t writer_data, reader_data;
347 	pthread_t writer, reader;
348 	int sv[2];
349 	const size_t pktsize = MIN(sndbufsize, rcvbufsize) / 4;
350 	int numpkts;
351 
352 	/* setup the socket pair */
353 	do_socketpair(sv);
354 	/* Setup the buffers */
355 	ATF_REQUIRE_EQ(0, setsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &sndbufsize,
356 	    sizeof(sndbufsize)));
357 	ATF_REQUIRE_EQ(0, setsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &rcvbufsize,
358 	    sizeof(rcvbufsize)));
359 
360 	/* Send a total amount of data comfortably greater than the buffers */
361 	numpkts = MAX(sndbufsize, rcvbufsize) * 8 / pktsize;
362 
363 	/* Start the child threads */
364 	writer_data.pktsize = pktsize;
365 	writer_data.numpkts = numpkts;
366 	writer_data.so = sv[0];
367 	reader_data.pktsize = pktsize;
368 	reader_data.numpkts = numpkts;
369 	reader_data.so = sv[1];
370 	ATF_REQUIRE_EQ(0, pthread_create(&writer, NULL, test_pipe_writer,
371 	    				 (void*)&writer_data));
372 	/*
373 	 * Give the writer time to start writing, and hopefully block, before
374 	 * starting the reader.  This increases the likelihood of the test case
375 	 * failing due to PR kern/185812
376 	 */
377 	usleep(1000);
378 	ATF_REQUIRE_EQ(0, pthread_create(&reader, NULL, test_pipe_reader,
379 	    				 (void*)&reader_data));
380 
381 	/* Join the children */
382 	ATF_REQUIRE_EQ(0, pthread_join(writer, NULL));
383 	ATF_REQUIRE_EQ(0, pthread_join(reader, NULL));
384 	close(sv[0]);
385 	close(sv[1]);
386 }
387 
388 
389 /*
390  * Test Cases
391  */
392 
393 /* Create a SEQPACKET socket */
394 ATF_TC_WITHOUT_HEAD(create_socket);
395 ATF_TC_BODY(create_socket, tc)
396 {
397 	int s;
398 
399 	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
400 	ATF_REQUIRE(s >= 0);
401 	close(s);
402 }
403 
404 /* Create SEQPACKET sockets using socketpair(2) */
405 ATF_TC_WITHOUT_HEAD(create_socketpair);
406 ATF_TC_BODY(create_socketpair, tc)
407 {
408 	int sv[2];
409 	int s;
410 
411 	s = socketpair(PF_LOCAL, SOCK_SEQPACKET, 0, sv);
412 	ATF_CHECK_EQ(0, s);
413 	ATF_CHECK(sv[0] >= 0);
414 	ATF_CHECK(sv[1] >= 0);
415 	ATF_CHECK(sv[0] != sv[1]);
416 	close(sv[0]);
417 	close(sv[1]);
418 }
419 
420 /* Call listen(2) without first calling bind(2).  It should fail */
421 ATF_TC_WITHOUT_HEAD(listen_unbound);
422 ATF_TC_BODY(listen_unbound, tc)
423 {
424 	int s, r;
425 
426 	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
427 	ATF_REQUIRE(s > 0);
428 	r = listen(s, -1);
429 	/* expect listen to fail since we haven't called bind(2) */
430 	ATF_CHECK(r != 0);
431 	close(s);
432 }
433 
434 /* Bind the socket to a file */
435 ATF_TC_WITHOUT_HEAD(bind);
436 ATF_TC_BODY(bind, tc)
437 {
438 	struct sockaddr_un sun;
439 	/* ATF's isolation mechanisms will guarantee uniqueness of this file */
440 	const char *path = "sock";
441 	int s, r;
442 
443 	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
444 	ATF_REQUIRE(s >= 0);
445 
446 	bzero(&sun, sizeof(sun));
447 	sun.sun_family = AF_LOCAL;
448 	sun.sun_len = sizeof(sun);
449 	strlcpy(sun.sun_path, path, sizeof(sun.sun_path));
450 	r = bind(s, (struct sockaddr *)&sun, sizeof(sun));
451 	ATF_CHECK_EQ(0, r);
452 	close(s);
453 }
454 
455 /* listen(2) a socket that is already bound(2) should succeed */
456 ATF_TC_WITHOUT_HEAD(listen_bound);
457 ATF_TC_BODY(listen_bound, tc)
458 {
459 	struct sockaddr_un sun;
460 	/* ATF's isolation mechanisms will guarantee uniqueness of this file */
461 	const char *path = "sock";
462 	int s, r, l;
463 
464 	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
465 	ATF_REQUIRE(s >= 0);
466 
467 	bzero(&sun, sizeof(sun));
468 	sun.sun_family = AF_LOCAL;
469 	sun.sun_len = sizeof(sun);
470 	strlcpy(sun.sun_path, path, sizeof(sun.sun_path));
471 	r = bind(s, (struct sockaddr *)&sun, sizeof(sun));
472 	l = listen(s, -1);
473 	ATF_CHECK_EQ(0, r);
474 	ATF_CHECK_EQ(0, l);
475 	close(s);
476 }
477 
478 /* connect(2) can make a connection */
479 ATF_TC_WITHOUT_HEAD(connect);
480 ATF_TC_BODY(connect, tc)
481 {
482 	struct sockaddr_un sun;
483 	/* ATF's isolation mechanisms will guarantee uniqueness of this file */
484 	const char *path = "sock";
485 	int s, r, err, l, s2;
486 
487 	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
488 	ATF_REQUIRE(s >= 0);
489 
490 	bzero(&sun, sizeof(sun));
491 	sun.sun_family = AF_LOCAL;
492 	sun.sun_len = sizeof(sun);
493 	strlcpy(sun.sun_path, path, sizeof(sun.sun_path));
494 	r = bind(s, (struct sockaddr *)&sun, sizeof(sun));
495 	l = listen(s, -1);
496 	ATF_CHECK_EQ(0, r);
497 	ATF_CHECK_EQ(0, l);
498 
499 	/* Create the other socket */
500 	s2 = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
501 	ATF_REQUIRE(s2 >= 0);
502 	err = connect(s2, (struct sockaddr*)&sun, sizeof(sun));
503 	if (err != 0) {
504 		perror("connect");
505 		atf_tc_fail("connect(2) failed");
506 	}
507 	close(s);
508 	close(s2);
509 }
510 
511 /* accept(2) can receive a connection */
512 ATF_TC_WITHOUT_HEAD(accept);
513 ATF_TC_BODY(accept, tc)
514 {
515 	int sv[2];
516 
517 	mk_pair_of_sockets(sv);
518 	close(sv[0]);
519 	close(sv[1]);
520 }
521 
522 
523 /* Set O_NONBLOCK on the socket */
524 ATF_TC_WITHOUT_HEAD(fcntl_nonblock);
525 ATF_TC_BODY(fcntl_nonblock, tc)
526 {
527 	int s;
528 
529 	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
530 	ATF_REQUIRE(s >= 0);
531 	if (fcntl(s, F_SETFL, O_NONBLOCK) == -1) {
532 		perror("fcntl");
533 		atf_tc_fail("fcntl failed");
534 	}
535 	close(s);
536 }
537 
538 /* Resize the send and receive buffers */
539 ATF_TC_WITHOUT_HEAD(resize_buffers);
540 ATF_TC_BODY(resize_buffers, tc)
541 {
542 	int s;
543 	int sndbuf = 12345;
544 	int rcvbuf = 23456;
545 	int xs, xr;
546 	socklen_t sl = sizeof(xs);
547 
548 	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
549 	ATF_REQUIRE(s >= 0);
550 
551 	printf("                       Socket Buffer Sizes\n");
552 	printf("                              | SNDBUF  | RCVBUF  |\n");
553 	ATF_CHECK_EQ(0, getsockopt(s, SOL_SOCKET, SO_SNDBUF, &xs, &sl));
554 	ATF_CHECK_EQ(0, getsockopt(s, SOL_SOCKET, SO_RCVBUF, &xr, &sl));
555 	printf("Default                       | %7d | %7d |\n", xs, xr);
556 
557 	if (setsockopt(s, SOL_SOCKET, SO_SNDBUF, &sndbuf, sizeof(sndbuf)) != 0){
558 		perror("setsockopt");
559 		atf_tc_fail("setsockopt(SO_SNDBUF) failed");
560 	}
561 	ATF_CHECK_EQ(0, getsockopt(s, SOL_SOCKET, SO_SNDBUF, &xs, &sl));
562 	ATF_CHECK_EQ(0, getsockopt(s, SOL_SOCKET, SO_RCVBUF, &xr, &sl));
563 	printf("After changing SNDBUF         | %7d | %7d |\n", xs, xr);
564 
565 	if (setsockopt(s, SOL_SOCKET, SO_RCVBUF, &rcvbuf, sizeof(rcvbuf)) != 0){
566 		perror("setsockopt");
567 		atf_tc_fail("setsockopt(SO_RCVBUF) failed");
568 	}
569 	ATF_CHECK_EQ(0, getsockopt(s, SOL_SOCKET, SO_SNDBUF, &xs, &sl));
570 	ATF_CHECK_EQ(0, getsockopt(s, SOL_SOCKET, SO_RCVBUF, &xr, &sl));
571 	printf("After changing RCVBUF         | %7d | %7d |\n", xs, xr);
572 	close(s);
573 }
574 
575 /*
576  * Resize the send and receive buffers of a connected socketpair
577  * Print some useful debugging info too
578  */
579 ATF_TC_WITHOUT_HEAD(resize_connected_buffers);
580 ATF_TC_BODY(resize_connected_buffers, tc)
581 {
582 	int sv[2];
583 	int sndbuf = 12345;
584 	int rcvbuf = 23456;
585 	int err;
586 	int ls, lr, rs, rr;
587 	socklen_t sl = sizeof(ls);
588 
589 	/* setup the socket pair */
590 	do_socketpair(sv);
591 
592 	printf("                       Socket Buffer Sizes\n");
593 	printf("                              | Left Socket       | Right Socket      |\n");
594 	printf("                              | SNDBUF  | RCVBUF  | SNDBUF  | RCVBUF  |\n");
595 	ATF_CHECK_EQ(0, getsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &ls, &sl));
596 	ATF_CHECK_EQ(0, getsockopt(sv[0], SOL_SOCKET, SO_RCVBUF, &lr, &sl));
597 	ATF_CHECK_EQ(0, getsockopt(sv[1], SOL_SOCKET, SO_SNDBUF, &rs, &sl));
598 	ATF_CHECK_EQ(0, getsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &rr, &sl));
599 	printf("Default                       | %7d | %7d | %7d | %7d |\n",
600 	    ls, lr, rs, rr);
601 
602 	/* Update one side's send buffer */
603 	err = setsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &sndbuf, sizeof(sndbuf));
604 	if (err != 0){
605 		perror("setsockopt");
606 		atf_tc_fail("setsockopt(SO_SNDBUF) failed");
607 	}
608 
609 	ATF_CHECK_EQ(0, getsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &ls, &sl));
610 	ATF_CHECK_EQ(0, getsockopt(sv[0], SOL_SOCKET, SO_RCVBUF, &lr, &sl));
611 	ATF_CHECK_EQ(0, getsockopt(sv[1], SOL_SOCKET, SO_SNDBUF, &rs, &sl));
612 	ATF_CHECK_EQ(0, getsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &rr, &sl));
613 	printf("After changing Left's SNDBUF  | %7d | %7d | %7d | %7d |\n",
614 	    ls, lr, rs, rr);
615 
616 	/* Update the same side's receive buffer */
617 	err = setsockopt(sv[0], SOL_SOCKET, SO_RCVBUF, &rcvbuf, sizeof(rcvbuf));
618 	if (err != 0){
619 		perror("setsockopt");
620 		atf_tc_fail("setsockopt(SO_RCVBUF) failed");
621 	}
622 
623 	ATF_CHECK_EQ(0, getsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &ls, &sl));
624 	ATF_CHECK_EQ(0, getsockopt(sv[0], SOL_SOCKET, SO_RCVBUF, &lr, &sl));
625 	ATF_CHECK_EQ(0, getsockopt(sv[1], SOL_SOCKET, SO_SNDBUF, &rs, &sl));
626 	ATF_CHECK_EQ(0, getsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &rr, &sl));
627 	printf("After changing Left's RCVBUF  | %7d | %7d | %7d | %7d |\n",
628 	    ls, lr, rs, rr);
629 	close(sv[0]);
630 	close(sv[1]);
631 }
632 
633 
634 /* send(2) and recv(2) a single short record */
635 ATF_TC_WITHOUT_HEAD(send_recv);
636 ATF_TC_BODY(send_recv, tc)
637 {
638 	int sv[2];
639 	const int bufsize = 64;
640 	const char *data = "data";
641 	char recv_buf[bufsize];
642 	ssize_t datalen;
643 	ssize_t ssize, rsize;
644 
645 	/* setup the socket pair */
646 	do_socketpair(sv);
647 
648 	/* send and receive a small packet */
649 	datalen = strlen(data) + 1;	/* +1 for the null */
650 	ssize = send(sv[0], data, datalen, MSG_EOR);
651 	if (ssize < 0) {
652 		perror("send");
653 		atf_tc_fail("send returned < 0");
654 	}
655 	ATF_CHECK_EQ_MSG(datalen, ssize, "expected %zd=send(...) but got %zd",
656 	    datalen, ssize);
657 
658 	rsize = recv(sv[1], recv_buf, bufsize, MSG_WAITALL);
659 	ATF_CHECK_EQ(datalen, rsize);
660 	close(sv[0]);
661 	close(sv[1]);
662 }
663 
664 /* sendto(2) and recvfrom(2) a single short record
665  * According to The Open Group Base Specifications Issue 6 IEEE Std 1003.1, 2004
666  * Edition, sendto(2) is exactly the same as send(2) on a connection-mode socket
667  *
668  * According to the same spec, not all protocols are required to provide the
669  * source addres in recvfrom(2).
670  */
671 ATF_TC_WITHOUT_HEAD(sendto_recvfrom);
672 ATF_TC_BODY(sendto_recvfrom, tc)
673 {
674 #ifdef TEST_SEQ_PACKET_SOURCE_ADDRESS
675 	const char* path;
676 #endif
677 	struct sockaddr_storage from;
678 	int sv[2];
679 	const int bufsize = 64;
680 	const char *data = "data";
681 	char recv_buf[bufsize];
682 	ssize_t datalen;
683 	ssize_t ssize, rsize;
684 	socklen_t fromlen;
685 
686 	/* setup the socket pair */
687 #ifdef TEST_SEQ_PACKET_SOURCE_ADDRESS
688 	path =
689 #endif
690 		mk_pair_of_sockets(sv);
691 
692 	/* send and receive a small packet */
693 	datalen = strlen(data) + 1;	/* +1 for the null */
694 	ssize = sendto(sv[0], data, datalen, MSG_EOR, NULL, 0);
695 	if (ssize < 0) {
696 		perror("send");
697 		atf_tc_fail("send returned < 0");
698 	}
699 	ATF_CHECK_EQ_MSG(datalen, ssize, "expected %zd=send(...) but got %zd",
700 	    datalen, ssize);
701 
702 	fromlen = sizeof(from);
703 	rsize = recvfrom(sv[1], recv_buf, bufsize, MSG_WAITALL,
704 	    (struct sockaddr*)&from, &fromlen);
705 	if (ssize < 0) {
706 		perror("recvfrom");
707 		atf_tc_fail("recvfrom returned < 0");
708 	}
709 	ATF_CHECK_EQ(datalen, rsize);
710 
711 #ifdef TEST_SEQ_PACKET_SOURCE_ADDRESS
712 	/*
713 	 * FreeBSD does not currently provide the source address for SEQ_PACKET
714 	 * AF_UNIX sockets, and POSIX does not require it, so these two checks
715 	 * are disabled.  If FreeBSD gains that feature in the future, then
716 	 * these checks may be reenabled
717 	 */
718 	ATF_CHECK_EQ(PF_LOCAL, from.ss_family);
719 	ATF_CHECK_STREQ(path, ((struct sockaddr_un*)&from)->sun_path);
720 #endif
721 	close(sv[0]);
722 	close(sv[1]);
723 }
724 
725 /*
726  * send(2) and recv(2) a single short record with sockets created the
727  * traditional way, involving bind, listen, connect, and accept
728  */
729 ATF_TC_WITHOUT_HEAD(send_recv_with_connect);
730 ATF_TC_BODY(send_recv_with_connect, tc)
731 {
732 	int sv[2];
733 	const int bufsize = 64;
734 	const char *data = "data";
735 	char recv_buf[bufsize];
736 	ssize_t datalen;
737 	ssize_t ssize, rsize;
738 
739 	mk_pair_of_sockets(sv);
740 
741 	/* send and receive a small packet */
742 	datalen = strlen(data) + 1;	/* +1 for the null */
743 	ssize = send(sv[0], data, datalen, MSG_EOR);
744 	if (ssize < 0) {
745 		perror("send");
746 		atf_tc_fail("send returned < 0");
747 	}
748 	ATF_CHECK_EQ_MSG(datalen, ssize, "expected %zd=send(...) but got %zd",
749 	    datalen, ssize);
750 
751 	rsize = recv(sv[1], recv_buf, bufsize, MSG_WAITALL);
752 	ATF_CHECK_EQ(datalen, rsize);
753 	close(sv[0]);
754 	close(sv[1]);
755 }
756 
757 /* send(2) should fail on a shutdown socket */
758 ATF_TC_WITHOUT_HEAD(shutdown_send);
759 ATF_TC_BODY(shutdown_send, tc)
760 {
761 	struct sockaddr_un sun;
762 	/* ATF's isolation mechanisms will guarantee uniqueness of this file */
763 	const char *path = "sock";
764 	const char *data = "data";
765 	ssize_t datalen, ssize;
766 	int s, err, s2;
767 
768 	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
769 	ATF_REQUIRE(s >= 0);
770 
771 	bzero(&sun, sizeof(sun));
772 	sun.sun_family = AF_LOCAL;
773 	sun.sun_len = sizeof(sun);
774 	strlcpy(sun.sun_path, path, sizeof(sun.sun_path));
775 	err = bind(s, (struct sockaddr *)&sun, sizeof(sun));
776 	err = listen(s, -1);
777 	ATF_CHECK_EQ(0, err);
778 
779 	/* Create the other socket */
780 	s2 = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
781 	ATF_REQUIRE(s2 >= 0);
782 	err = connect(s2, (struct sockaddr*)&sun, sizeof(sun));
783 	if (err != 0) {
784 		perror("connect");
785 		atf_tc_fail("connect(2) failed");
786 	}
787 
788 	ATF_CHECK_EQ(0, shutdown(s2, SHUT_RDWR));
789 	datalen = strlen(data) + 1;	/* +1 for the null */
790 	/* USE MSG_NOSIGNAL so we don't get SIGPIPE */
791 	ssize = send(s2, data, datalen, MSG_EOR | MSG_NOSIGNAL);
792 	ATF_CHECK_EQ(EPIPE, errno);
793 	ATF_CHECK_EQ(-1, ssize);
794 	close(s);
795 	close(s2);
796 }
797 
798 /* send(2) should cause SIGPIPE on a shutdown socket */
799 ATF_TC_WITHOUT_HEAD(shutdown_send_sigpipe);
800 ATF_TC_BODY(shutdown_send_sigpipe, tc)
801 {
802 	struct sockaddr_un sun;
803 	/* ATF's isolation mechanisms will guarantee uniqueness of this file */
804 	const char *path = "sock";
805 	const char *data = "data";
806 	ssize_t datalen;
807 	int s, err, s2;
808 
809 	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
810 	ATF_REQUIRE(s >= 0);
811 
812 	bzero(&sun, sizeof(sun));
813 	sun.sun_family = AF_LOCAL;
814 	sun.sun_len = sizeof(sun);
815 	strlcpy(sun.sun_path, path, sizeof(sun.sun_path));
816 	err = bind(s, (struct sockaddr *)&sun, sizeof(sun));
817 	err = listen(s, -1);
818 	ATF_CHECK_EQ(0, err);
819 
820 	/* Create the other socket */
821 	s2 = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
822 	ATF_REQUIRE(s2 >= 0);
823 	err = connect(s2, (struct sockaddr*)&sun, sizeof(sun));
824 	if (err != 0) {
825 		perror("connect");
826 		atf_tc_fail("connect(2) failed");
827 	}
828 
829 	ATF_CHECK_EQ(0, shutdown(s2, SHUT_RDWR));
830 	ATF_REQUIRE(SIG_ERR != signal(SIGPIPE, shutdown_send_sigpipe_handler));
831 	datalen = strlen(data) + 1;	/* +1 for the null */
832 	(void)send(s2, data, datalen, MSG_EOR);
833 	ATF_CHECK_EQ(1, got_sigpipe);
834 	close(s);
835 	close(s2);
836 }
837 
838 /* nonblocking send(2) and recv(2) a single short record */
839 ATF_TC_WITHOUT_HEAD(send_recv_nonblocking);
840 ATF_TC_BODY(send_recv_nonblocking, tc)
841 {
842 	int sv[2];
843 	const int bufsize = 64;
844 	const char *data = "data";
845 	char recv_buf[bufsize];
846 	ssize_t datalen;
847 	ssize_t ssize, rsize;
848 
849 	/* setup the socket pair */
850 	do_socketpair_nonblocking(sv);
851 
852 	/* Verify that there is nothing to receive */
853 	rsize = recv(sv[1], recv_buf, bufsize, MSG_WAITALL);
854 	ATF_CHECK_EQ(EAGAIN, errno);
855 	ATF_CHECK_EQ(-1, rsize);
856 
857 	/* send and receive a small packet */
858 	datalen = strlen(data) + 1;	/* +1 for the null */
859 	ssize = send(sv[0], data, datalen, MSG_EOR);
860 	if (ssize < 0) {
861 		perror("send");
862 		atf_tc_fail("send returned < 0");
863 	}
864 	ATF_CHECK_EQ_MSG(datalen, ssize, "expected %zd=send(...) but got %zd",
865 	    datalen, ssize);
866 
867 	rsize = recv(sv[1], recv_buf, bufsize, MSG_WAITALL);
868 	ATF_CHECK_EQ(datalen, rsize);
869 	close(sv[0]);
870 	close(sv[1]);
871 }
872 
873 /*
874  * We should get EMSGSIZE if we try to send a message larger than the socket
875  * buffer, with blocking sockets
876  */
877 ATF_TC_WITHOUT_HEAD(emsgsize);
878 ATF_TC_BODY(emsgsize, tc)
879 {
880 	int sv[2];
881 	const int sndbufsize = 8192;
882 	const int rcvbufsize = 8192;
883 	const size_t pktsize = (sndbufsize + rcvbufsize) * 2;
884 	char sndbuf[pktsize];
885 	ssize_t ssize;
886 
887 	/* setup the socket pair */
888 	do_socketpair(sv);
889 	/* Setup the buffers */
890 	ATF_REQUIRE_EQ(0, setsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &sndbufsize,
891 	    sizeof(sndbufsize)));
892 	ATF_REQUIRE_EQ(0, setsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &rcvbufsize,
893 	    sizeof(rcvbufsize)));
894 
895 	ssize = send(sv[0], sndbuf, pktsize, MSG_EOR);
896 	ATF_CHECK_EQ(EMSGSIZE, errno);
897 	ATF_CHECK_EQ(-1, ssize);
898 	close(sv[0]);
899 	close(sv[1]);
900 }
901 
902 /*
903  * We should get EMSGSIZE if we try to send a message larger than the socket
904  * buffer, with nonblocking sockets
905  */
906 ATF_TC_WITHOUT_HEAD(emsgsize_nonblocking);
907 ATF_TC_BODY(emsgsize_nonblocking, tc)
908 {
909 	int sv[2];
910 	const int sndbufsize = 8192;
911 	const int rcvbufsize = 8192;
912 	const size_t pktsize = (sndbufsize + rcvbufsize) * 2;
913 	char sndbuf[pktsize];
914 	ssize_t ssize;
915 
916 	/* setup the socket pair */
917 	do_socketpair_nonblocking(sv);
918 	/* Setup the buffers */
919 	ATF_REQUIRE_EQ(0, setsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &sndbufsize,
920 	    sizeof(sndbufsize)));
921 	ATF_REQUIRE_EQ(0, setsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &rcvbufsize,
922 	    sizeof(rcvbufsize)));
923 
924 	ssize = send(sv[0], sndbuf, pktsize, MSG_EOR);
925 	ATF_CHECK_EQ(EMSGSIZE, errno);
926 	ATF_CHECK_EQ(-1, ssize);
927 	close(sv[0]);
928 	close(sv[1]);
929 }
930 
931 
932 /*
933  * We should get EAGAIN if we try to send a message larger than the socket
934  * buffer, with nonblocking sockets.  Test with several different sockbuf sizes
935  */
936 ATF_TC_WITHOUT_HEAD(eagain_8k_8k);
937 ATF_TC_BODY(eagain_8k_8k, tc)
938 {
939 	test_eagain(8192, 8192);
940 }
941 ATF_TC_WITHOUT_HEAD(eagain_8k_128k);
942 ATF_TC_BODY(eagain_8k_128k, tc)
943 {
944 	test_eagain(8192, 131072);
945 }
946 ATF_TC_WITHOUT_HEAD(eagain_128k_8k);
947 ATF_TC_BODY(eagain_128k_8k, tc)
948 {
949 	test_eagain(131072, 8192);
950 }
951 ATF_TC_WITHOUT_HEAD(eagain_128k_128k);
952 ATF_TC_BODY(eagain_128k_128k, tc)
953 {
954 	test_eagain(131072, 131072);
955 }
956 
957 
958 /*
959  * nonblocking send(2) and recv(2) of several records, which should collectively
960  * fill up the send buffer but not the receive buffer
961  */
962 ATF_TC_WITHOUT_HEAD(rcvbuf_oversized);
963 ATF_TC_BODY(rcvbuf_oversized, tc)
964 {
965 	int i;
966 	int sv[2];
967 	const ssize_t pktsize = 1024;
968 	const int sndbufsize = 8192;
969 	const int rcvbufsize = 131072;
970 	const size_t geometric_mean_bufsize = 32768;
971 	const int numpkts = geometric_mean_bufsize / pktsize;
972 	char sndbuf[pktsize];
973 	char recv_buf[pktsize];
974 	ssize_t ssize, rsize;
975 
976 	/* setup the socket pair */
977 	do_socketpair_nonblocking(sv);
978 	ATF_REQUIRE_EQ(0, setsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &sndbufsize,
979 	    sizeof(sndbufsize)));
980 	ATF_REQUIRE_EQ(0, setsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &rcvbufsize,
981 	    sizeof(rcvbufsize)));
982 
983 	/*
984 	 * Send and receive packets that are collectively greater than the send
985 	 * buffer, but less than the receive buffer
986 	 */
987 	for (i=0; i < numpkts; i++) {
988 		/* Fill the buffer */
989 		memset(sndbuf, i, pktsize);
990 
991 		/* send the packet */
992 		ssize = send(sv[0], sndbuf, pktsize, MSG_EOR);
993 		if (ssize < 0) {
994 			perror("send");
995 			atf_tc_fail("send returned < 0");
996 		}
997 		ATF_CHECK_EQ_MSG(pktsize, ssize,
998 		    "expected %zd=send(...) but got %zd", pktsize, ssize);
999 
1000 		/* Receive it */
1001 
1002 		rsize = recv(sv[1], recv_buf, pktsize, MSG_WAITALL);
1003 		if (rsize < 0) {
1004 			perror("recv");
1005 			atf_tc_fail("recv returned < 0");
1006 		}
1007 		ATF_CHECK_EQ_MSG(pktsize, rsize,
1008 		    "expected %zd=send(...) but got %zd", pktsize, rsize);
1009 
1010 		/* Verify the contents */
1011 		ATF_CHECK_EQ_MSG(0, memcmp(sndbuf, recv_buf, pktsize),
1012 		    "Received data miscompare");
1013 	}
1014 
1015 	/* Trying to receive again should return EAGAIN */
1016 	rsize = recv(sv[1], recv_buf, pktsize, MSG_WAITALL);
1017 	ATF_CHECK_EQ(EAGAIN, errno);
1018 	ATF_CHECK_EQ(-1, rsize);
1019 	close(sv[0]);
1020 	close(sv[1]);
1021 }
1022 
1023 /*
1024  * Simulate the behavior of a blocking pipe.  The sender will send until his
1025  * buffer fills up, then we'll simulate a scheduler switch that will allow the
1026  * receiver to read until his buffer empties.  Repeat the process until the
1027  * transfer is complete.
1028  * Repeat the test with multiple send and receive buffer sizes
1029  */
1030 ATF_TC_WITHOUT_HEAD(pipe_simulator_8k_8k);
1031 ATF_TC_BODY(pipe_simulator_8k_8k, tc)
1032 {
1033 	test_pipe_simulator(8192, 8192);
1034 }
1035 
1036 ATF_TC_WITHOUT_HEAD(pipe_simulator_8k_128k);
1037 ATF_TC_BODY(pipe_simulator_8k_128k, tc)
1038 {
1039 	test_pipe_simulator(8192, 131072);
1040 }
1041 
1042 ATF_TC_WITHOUT_HEAD(pipe_simulator_128k_8k);
1043 ATF_TC_BODY(pipe_simulator_128k_8k, tc)
1044 {
1045 	test_pipe_simulator(131072, 8192);
1046 }
1047 
1048 ATF_TC_WITHOUT_HEAD(pipe_simulator_128k_128k);
1049 ATF_TC_BODY(pipe_simulator_128k_128k, tc)
1050 {
1051 	test_pipe_simulator(131072, 131072);
1052 }
1053 
1054 /*
1055  * Test blocking I/O by passing data between two threads.  The total amount of
1056  * data will be >> buffer size to force blocking.  Repeat the test with multiple
1057  * send and receive buffer sizes
1058  */
1059 ATF_TC_WITHOUT_HEAD(pipe_8k_8k);
1060 ATF_TC_BODY(pipe_8k_8k, tc)
1061 {
1062 	test_pipe(8192, 8192);
1063 }
1064 
1065 ATF_TC_WITHOUT_HEAD(pipe_8k_128k);
1066 ATF_TC_BODY(pipe_8k_128k, tc)
1067 {
1068 	test_pipe(8192, 131072);
1069 }
1070 
1071 ATF_TC_WITHOUT_HEAD(pipe_128k_8k);
1072 ATF_TC_BODY(pipe_128k_8k, tc)
1073 {
1074 	test_pipe(131072, 8192);
1075 }
1076 
1077 ATF_TC_WITHOUT_HEAD(pipe_128k_128k);
1078 ATF_TC_BODY(pipe_128k_128k, tc)
1079 {
1080 	test_pipe(131072, 131072);
1081 }
1082 
1083 
1084 /*
1085  * Test single-packet I/O with and without blocking, with symmetric buffers of
1086  * various sizes
1087  */
1088 ATF_TC_WITHOUT_HEAD(sendrecv_8k);
1089 ATF_TC_BODY(sendrecv_8k, tc)
1090 {
1091 	test_sendrecv_symmetric_buffers(8 * 1024, true);
1092 }
1093 ATF_TC_WITHOUT_HEAD(sendrecv_16k);
1094 ATF_TC_BODY(sendrecv_16k, tc)
1095 {
1096 	test_sendrecv_symmetric_buffers(16 * 1024, true);
1097 }
1098 ATF_TC_WITHOUT_HEAD(sendrecv_32k);
1099 ATF_TC_BODY(sendrecv_32k, tc)
1100 {
1101 	test_sendrecv_symmetric_buffers(32 * 1024, true);
1102 }
1103 ATF_TC_WITHOUT_HEAD(sendrecv_64k);
1104 ATF_TC_BODY(sendrecv_64k, tc)
1105 {
1106 	test_sendrecv_symmetric_buffers(64 * 1024, true);
1107 }
1108 ATF_TC_WITHOUT_HEAD(sendrecv_128k);
1109 ATF_TC_BODY(sendrecv_128k, tc)
1110 {
1111 	test_sendrecv_symmetric_buffers(128 * 1024, true);
1112 }
1113 ATF_TC_WITHOUT_HEAD(sendrecv_8k_nonblocking);
1114 ATF_TC_BODY(sendrecv_8k_nonblocking, tc)
1115 {
1116 	test_sendrecv_symmetric_buffers(8 * 1024, false);
1117 }
1118 ATF_TC_WITHOUT_HEAD(sendrecv_16k_nonblocking);
1119 ATF_TC_BODY(sendrecv_16k_nonblocking, tc)
1120 {
1121 	test_sendrecv_symmetric_buffers(16 * 1024, false);
1122 }
1123 ATF_TC_WITHOUT_HEAD(sendrecv_32k_nonblocking);
1124 ATF_TC_BODY(sendrecv_32k_nonblocking, tc)
1125 {
1126 	test_sendrecv_symmetric_buffers(32 * 1024, false);
1127 }
1128 ATF_TC_WITHOUT_HEAD(sendrecv_64k_nonblocking);
1129 ATF_TC_BODY(sendrecv_64k_nonblocking, tc)
1130 {
1131 	test_sendrecv_symmetric_buffers(64 * 1024, false);
1132 }
1133 ATF_TC_WITHOUT_HEAD(sendrecv_128k_nonblocking);
1134 ATF_TC_BODY(sendrecv_128k_nonblocking, tc)
1135 {
1136 	test_sendrecv_symmetric_buffers(128 * 1024, false);
1137 }
1138 
1139 
1140 /*
1141  * Main.
1142  */
1143 
1144 ATF_TP_ADD_TCS(tp)
1145 {
1146 	/* Basic creation and connection tests */
1147 	ATF_TP_ADD_TC(tp, create_socket);
1148 	ATF_TP_ADD_TC(tp, create_socketpair);
1149 	ATF_TP_ADD_TC(tp, listen_unbound);
1150 	ATF_TP_ADD_TC(tp, bind);
1151 	ATF_TP_ADD_TC(tp, listen_bound);
1152 	ATF_TP_ADD_TC(tp, connect);
1153 	ATF_TP_ADD_TC(tp, accept);
1154 	ATF_TP_ADD_TC(tp, fcntl_nonblock);
1155 	ATF_TP_ADD_TC(tp, resize_buffers);
1156 	ATF_TP_ADD_TC(tp, resize_connected_buffers);
1157 
1158 	/* Unthreaded I/O tests */
1159 	ATF_TP_ADD_TC(tp, send_recv);
1160 	ATF_TP_ADD_TC(tp, send_recv_nonblocking);
1161 	ATF_TP_ADD_TC(tp, send_recv_with_connect);
1162 	ATF_TP_ADD_TC(tp, sendto_recvfrom);
1163 	ATF_TP_ADD_TC(tp, shutdown_send);
1164 	ATF_TP_ADD_TC(tp, shutdown_send_sigpipe);
1165 	ATF_TP_ADD_TC(tp, emsgsize);
1166 	ATF_TP_ADD_TC(tp, emsgsize_nonblocking);
1167 	ATF_TP_ADD_TC(tp, eagain_8k_8k);
1168 	ATF_TP_ADD_TC(tp, eagain_8k_128k);
1169 	ATF_TP_ADD_TC(tp, eagain_128k_8k);
1170 	ATF_TP_ADD_TC(tp, eagain_128k_128k);
1171 	ATF_TP_ADD_TC(tp, sendrecv_8k);
1172 	ATF_TP_ADD_TC(tp, sendrecv_16k);
1173 	ATF_TP_ADD_TC(tp, sendrecv_32k);
1174 	ATF_TP_ADD_TC(tp, sendrecv_64k);
1175 	ATF_TP_ADD_TC(tp, sendrecv_128k);
1176 	ATF_TP_ADD_TC(tp, sendrecv_8k_nonblocking);
1177 	ATF_TP_ADD_TC(tp, sendrecv_16k_nonblocking);
1178 	ATF_TP_ADD_TC(tp, sendrecv_32k_nonblocking);
1179 	ATF_TP_ADD_TC(tp, sendrecv_64k_nonblocking);
1180 	ATF_TP_ADD_TC(tp, sendrecv_128k_nonblocking);
1181 	ATF_TP_ADD_TC(tp, rcvbuf_oversized);
1182 	ATF_TP_ADD_TC(tp, pipe_simulator_8k_8k);
1183 	ATF_TP_ADD_TC(tp, pipe_simulator_8k_128k);
1184 	ATF_TP_ADD_TC(tp, pipe_simulator_128k_8k);
1185 	ATF_TP_ADD_TC(tp, pipe_simulator_128k_128k);
1186 
1187 	/* Threaded I/O tests with blocking sockets */
1188 	ATF_TP_ADD_TC(tp, pipe_8k_8k);
1189 	ATF_TP_ADD_TC(tp, pipe_8k_128k);
1190 	ATF_TP_ADD_TC(tp, pipe_128k_8k);
1191 	ATF_TP_ADD_TC(tp, pipe_128k_128k);
1192 
1193 	return atf_no_error();
1194 }
1195