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posixshm_test.c (289441) posixshm_test.c (298304)
1/*-
2 * Copyright (c) 2006 Robert N. M. Watson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 11 unchanged lines hidden (view full) ---

20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 2006 Robert N. M. Watson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 11 unchanged lines hidden (view full) ---

20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/tests/sys/posixshm/posixshm_test.c 289441 2015-10-17 04:32:21Z ngie $");
28__FBSDID("$FreeBSD: head/tests/sys/posixshm/posixshm_test.c 298304 2016-04-19 23:15:47Z ngie $");
29
30#include <sys/param.h>
31#include <sys/mman.h>
32#include <sys/resource.h>
33#include <sys/stat.h>
34#include <sys/syscall.h>
35#include <sys/wait.h>
36

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45#include <atf-c.h>
46
47#define TEST_PATH_LEN 256
48static char test_path[TEST_PATH_LEN];
49
50static void
51gen_test_path(void)
52{
29
30#include <sys/param.h>
31#include <sys/mman.h>
32#include <sys/resource.h>
33#include <sys/stat.h>
34#include <sys/syscall.h>
35#include <sys/wait.h>
36

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45#include <atf-c.h>
46
47#define TEST_PATH_LEN 256
48static char test_path[TEST_PATH_LEN];
49
50static void
51gen_test_path(void)
52{
53 char *tmpdir = getenv("TMPDIR");
54
53
55 if (tmpdir == NULL)
56 tmpdir = "/tmp";
57
58 snprintf(test_path, sizeof(test_path), "%s/tmp.XXXXXX", tmpdir);
54 snprintf(test_path, sizeof(test_path), "%s/tmp.XXXXXX",
55 getenv("TMPDIR") == NULL ? "/tmp" : getenv("TMPDIR"));
59 test_path[sizeof(test_path) - 1] = '\0';
60 ATF_REQUIRE_MSG(mkstemp(test_path) != -1,
61 "mkstemp failed; errno=%d", errno);
62 ATF_REQUIRE_MSG(unlink(test_path) == 0,
63 "unlink failed; errno=%d", errno);
64}
65
66/*

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94/*
95 * Open the test object and write '1' to the first byte. Returns valid fd
96 * on success and -1 on failure.
97 */
98static int
99scribble_object(void)
100{
101 char *page;
56 test_path[sizeof(test_path) - 1] = '\0';
57 ATF_REQUIRE_MSG(mkstemp(test_path) != -1,
58 "mkstemp failed; errno=%d", errno);
59 ATF_REQUIRE_MSG(unlink(test_path) == 0,
60 "unlink failed; errno=%d", errno);
61}
62
63/*

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91/*
92 * Open the test object and write '1' to the first byte. Returns valid fd
93 * on success and -1 on failure.
94 */
95static int
96scribble_object(void)
97{
98 char *page;
102 int fd;
99 int fd, pagesize;
103
104 gen_test_path();
105
100
101 gen_test_path();
102
103 ATF_REQUIRE(0 < (pagesize = getpagesize()));
104
106 fd = shm_open(test_path, O_CREAT|O_EXCL|O_RDWR, 0777);
107 if (fd < 0 && errno == EEXIST) {
108 if (shm_unlink(test_path) < 0)
109 atf_tc_fail("shm_unlink");
110 fd = shm_open(test_path, O_CREAT | O_EXCL | O_RDWR, 0777);
111 }
112 if (fd < 0)
113 atf_tc_fail("shm_open failed; errno=%d", errno);
105 fd = shm_open(test_path, O_CREAT|O_EXCL|O_RDWR, 0777);
106 if (fd < 0 && errno == EEXIST) {
107 if (shm_unlink(test_path) < 0)
108 atf_tc_fail("shm_unlink");
109 fd = shm_open(test_path, O_CREAT | O_EXCL | O_RDWR, 0777);
110 }
111 if (fd < 0)
112 atf_tc_fail("shm_open failed; errno=%d", errno);
114 if (ftruncate(fd, getpagesize()) < 0)
113 if (ftruncate(fd, pagesize) < 0)
115 atf_tc_fail("ftruncate failed; errno=%d", errno);
116
114 atf_tc_fail("ftruncate failed; errno=%d", errno);
115
117 page = mmap(0, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, fd,
118 0);
116 page = mmap(0, pagesize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
119 if (page == MAP_FAILED)
120 atf_tc_fail("mmap failed; errno=%d", errno);
121
122 page[0] = '1';
117 if (page == MAP_FAILED)
118 atf_tc_fail("mmap failed; errno=%d", errno);
119
120 page[0] = '1';
123 if (munmap(page, getpagesize()) < 0)
124 atf_tc_fail("munmap failed; errno=%d", errno);
121 ATF_REQUIRE_MSG(munmap(page, pagesize) == 0, "munmap failed; errno=%d",
122 errno);
125
126 return (fd);
127}
128
129ATF_TC_WITHOUT_HEAD(remap_object);
130ATF_TC_BODY(remap_object, tc)
131{
132 char *page;
123
124 return (fd);
125}
126
127ATF_TC_WITHOUT_HEAD(remap_object);
128ATF_TC_BODY(remap_object, tc)
129{
130 char *page;
133 int fd;
131 int fd, pagesize;
134
132
133 ATF_REQUIRE(0 < (pagesize = getpagesize()));
134
135 fd = scribble_object();
136
135 fd = scribble_object();
136
137 page = mmap(0, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, fd,
138 0);
137 page = mmap(0, pagesize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
139 if (page == MAP_FAILED)
140 atf_tc_fail("mmap(2) failed; errno=%d", errno);
141
142 if (page[0] != '1')
143 atf_tc_fail("missing data ('%c' != '1')", page[0]);
144
145 close(fd);
138 if (page == MAP_FAILED)
139 atf_tc_fail("mmap(2) failed; errno=%d", errno);
140
141 if (page[0] != '1')
142 atf_tc_fail("missing data ('%c' != '1')", page[0]);
143
144 close(fd);
146 if (munmap(page, getpagesize()) < 0)
147 atf_tc_fail("munmap failed; errno=%d", errno);
145 ATF_REQUIRE_MSG(munmap(page, pagesize) == 0, "munmap failed; errno=%d",
146 errno);
148
149 ATF_REQUIRE_MSG(shm_unlink(test_path) != -1,
150 "shm_unlink failed; errno=%d", errno);
151}
152
153ATF_TC_WITHOUT_HEAD(reopen_object);
154ATF_TC_BODY(reopen_object, tc)
155{
156 char *page;
147
148 ATF_REQUIRE_MSG(shm_unlink(test_path) != -1,
149 "shm_unlink failed; errno=%d", errno);
150}
151
152ATF_TC_WITHOUT_HEAD(reopen_object);
153ATF_TC_BODY(reopen_object, tc)
154{
155 char *page;
157 int fd;
156 int fd, pagesize;
158
157
158 ATF_REQUIRE(0 < (pagesize = getpagesize()));
159
159 fd = scribble_object();
160 close(fd);
161
162 fd = shm_open(test_path, O_RDONLY, 0777);
163 if (fd < 0)
164 atf_tc_fail("shm_open(2) failed; errno=%d", errno);
165
160 fd = scribble_object();
161 close(fd);
162
163 fd = shm_open(test_path, O_RDONLY, 0777);
164 if (fd < 0)
165 atf_tc_fail("shm_open(2) failed; errno=%d", errno);
166
166 page = mmap(0, getpagesize(), PROT_READ, MAP_SHARED, fd, 0);
167 page = mmap(0, pagesize, PROT_READ, MAP_SHARED, fd, 0);
167 if (page == MAP_FAILED)
168 atf_tc_fail("mmap(2) failed; errno=%d", errno);
169
170 if (page[0] != '1')
171 atf_tc_fail("missing data ('%c' != '1')", page[0]);
172
168 if (page == MAP_FAILED)
169 atf_tc_fail("mmap(2) failed; errno=%d", errno);
170
171 if (page[0] != '1')
172 atf_tc_fail("missing data ('%c' != '1')", page[0]);
173
173 munmap(page, getpagesize());
174 ATF_REQUIRE_MSG(munmap(page, pagesize) == 0, "munmap failed; errno=%d",
175 errno);
174 close(fd);
175 ATF_REQUIRE_MSG(shm_unlink(test_path) != -1,
176 "shm_unlink failed; errno=%d", errno);
177}
178
179ATF_TC_WITHOUT_HEAD(readonly_mmap_write);
180ATF_TC_BODY(readonly_mmap_write, tc)
181{
182 char *page;
176 close(fd);
177 ATF_REQUIRE_MSG(shm_unlink(test_path) != -1,
178 "shm_unlink failed; errno=%d", errno);
179}
180
181ATF_TC_WITHOUT_HEAD(readonly_mmap_write);
182ATF_TC_BODY(readonly_mmap_write, tc)
183{
184 char *page;
183 int fd;
185 int fd, pagesize;
184
186
187 ATF_REQUIRE(0 < (pagesize = getpagesize()));
188
185 gen_test_path();
186
187 fd = shm_open(test_path, O_RDONLY | O_CREAT, 0777);
188 ATF_REQUIRE_MSG(fd >= 0, "shm_open failed; errno=%d", errno);
189
190 /* PROT_WRITE should fail with EACCES. */
189 gen_test_path();
190
191 fd = shm_open(test_path, O_RDONLY | O_CREAT, 0777);
192 ATF_REQUIRE_MSG(fd >= 0, "shm_open failed; errno=%d", errno);
193
194 /* PROT_WRITE should fail with EACCES. */
191 page = mmap(0, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, fd,
192 0);
195 page = mmap(0, pagesize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
193 if (page != MAP_FAILED)
194 atf_tc_fail("mmap(PROT_WRITE) succeeded unexpectedly");
195
196 if (errno != EACCES)
197 atf_tc_fail("mmap(PROT_WRITE) didn't fail with EACCES; "
198 "errno=%d", errno);
199
200 close(fd);

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354 free(page);
355}
356
357ATF_TC_WITHOUT_HEAD(object_resize);
358ATF_TC_BODY(object_resize, tc)
359{
360 pid_t pid;
361 struct stat sb;
196 if (page != MAP_FAILED)
197 atf_tc_fail("mmap(PROT_WRITE) succeeded unexpectedly");
198
199 if (errno != EACCES)
200 atf_tc_fail("mmap(PROT_WRITE) didn't fail with EACCES; "
201 "errno=%d", errno);
202
203 close(fd);

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357 free(page);
358}
359
360ATF_TC_WITHOUT_HEAD(object_resize);
361ATF_TC_BODY(object_resize, tc)
362{
363 pid_t pid;
364 struct stat sb;
362 char err_buf[1024], *page;
363 int fd, status;
365 char *page;
366 int fd, pagesize, status;
364
367
368 ATF_REQUIRE(0 < (pagesize = getpagesize()));
369
365 /* Start off with a size of a single page. */
366 fd = shm_open(SHM_ANON, O_CREAT|O_RDWR, 0777);
367 if (fd < 0)
368 atf_tc_fail("shm_open failed; errno=%d", errno);
369
370 /* Start off with a size of a single page. */
371 fd = shm_open(SHM_ANON, O_CREAT|O_RDWR, 0777);
372 if (fd < 0)
373 atf_tc_fail("shm_open failed; errno=%d", errno);
374
370 if (ftruncate(fd, getpagesize()) < 0)
375 if (ftruncate(fd, pagesize) < 0)
371 atf_tc_fail("ftruncate(1) failed; errno=%d", errno);
372
373 if (fstat(fd, &sb) < 0)
374 atf_tc_fail("fstat(1) failed; errno=%d", errno);
375
376 atf_tc_fail("ftruncate(1) failed; errno=%d", errno);
377
378 if (fstat(fd, &sb) < 0)
379 atf_tc_fail("fstat(1) failed; errno=%d", errno);
380
376 if (sb.st_size != getpagesize())
381 if (sb.st_size != pagesize)
377 atf_tc_fail("first resize failed (%d != %d)",
382 atf_tc_fail("first resize failed (%d != %d)",
378 (int)sb.st_size, getpagesize());
383 (int)sb.st_size, pagesize);
379
380 /* Write a '1' to the first byte. */
384
385 /* Write a '1' to the first byte. */
381 page = mmap(0, getpagesize(), PROT_READ|PROT_WRITE, MAP_SHARED, fd,
382 0);
386 page = mmap(0, pagesize, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
383 if (page == MAP_FAILED)
384 atf_tc_fail("mmap(1)");
385
386 page[0] = '1';
387
387 if (page == MAP_FAILED)
388 atf_tc_fail("mmap(1)");
389
390 page[0] = '1';
391
388 if (munmap(page, getpagesize()) < 0)
389 atf_tc_fail("munmap(1) failed; errno=%d", errno);
392 ATF_REQUIRE_MSG(munmap(page, pagesize) == 0, "munmap failed; errno=%d",
393 errno);
390
391 /* Grow the object to 2 pages. */
394
395 /* Grow the object to 2 pages. */
392 if (ftruncate(fd, getpagesize() * 2) < 0)
396 if (ftruncate(fd, pagesize * 2) < 0)
393 atf_tc_fail("ftruncate(2) failed; errno=%d", errno);
394
395 if (fstat(fd, &sb) < 0)
396 atf_tc_fail("fstat(2) failed; errno=%d", errno);
397
397 atf_tc_fail("ftruncate(2) failed; errno=%d", errno);
398
399 if (fstat(fd, &sb) < 0)
400 atf_tc_fail("fstat(2) failed; errno=%d", errno);
401
398 if (sb.st_size != getpagesize() * 2)
402 if (sb.st_size != pagesize * 2)
399 atf_tc_fail("second resize failed (%d != %d)",
403 atf_tc_fail("second resize failed (%d != %d)",
400 (int)sb.st_size, getpagesize() * 2);
404 (int)sb.st_size, pagesize * 2);
401
402 /* Check for '1' at the first byte. */
405
406 /* Check for '1' at the first byte. */
403 page = mmap(0, getpagesize() * 2, PROT_READ|PROT_WRITE, MAP_SHARED,
404 fd, 0);
407 page = mmap(0, pagesize * 2, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
405 if (page == MAP_FAILED)
406 atf_tc_fail("mmap(2) failed; errno=%d", errno);
407
408 if (page[0] != '1')
409 atf_tc_fail("'%c' != '1'", page[0]);
410
411 /* Write a '2' at the start of the second page. */
408 if (page == MAP_FAILED)
409 atf_tc_fail("mmap(2) failed; errno=%d", errno);
410
411 if (page[0] != '1')
412 atf_tc_fail("'%c' != '1'", page[0]);
413
414 /* Write a '2' at the start of the second page. */
412 page[getpagesize()] = '2';
415 page[pagesize] = '2';
413
414 /* Shrink the object back to 1 page. */
416
417 /* Shrink the object back to 1 page. */
415 if (ftruncate(fd, getpagesize()) < 0)
418 if (ftruncate(fd, pagesize) < 0)
416 atf_tc_fail("ftruncate(3) failed; errno=%d", errno);
417
418 if (fstat(fd, &sb) < 0)
419 atf_tc_fail("fstat(3) failed; errno=%d", errno);
420
419 atf_tc_fail("ftruncate(3) failed; errno=%d", errno);
420
421 if (fstat(fd, &sb) < 0)
422 atf_tc_fail("fstat(3) failed; errno=%d", errno);
423
421 if (sb.st_size != getpagesize())
424 if (sb.st_size != pagesize)
422 atf_tc_fail("third resize failed (%d != %d)",
425 atf_tc_fail("third resize failed (%d != %d)",
423 (int)sb.st_size, getpagesize());
426 (int)sb.st_size, pagesize);
424
425 /*
426 * Fork a child process to make sure the second page is no
427 * longer valid.
428 */
429 pid = fork();
430 if (pid == -1)
431 atf_tc_fail("fork failed; errno=%d", errno);
432
433 if (pid == 0) {
434 struct rlimit lim;
435 char c;
436
437 /* Don't generate a core dump. */
427
428 /*
429 * Fork a child process to make sure the second page is no
430 * longer valid.
431 */
432 pid = fork();
433 if (pid == -1)
434 atf_tc_fail("fork failed; errno=%d", errno);
435
436 if (pid == 0) {
437 struct rlimit lim;
438 char c;
439
440 /* Don't generate a core dump. */
438 getrlimit(RLIMIT_CORE, &lim);
441 ATF_REQUIRE(getrlimit(RLIMIT_CORE, &lim) == 0);
439 lim.rlim_cur = 0;
442 lim.rlim_cur = 0;
440 setrlimit(RLIMIT_CORE, &lim);
443 ATF_REQUIRE(setrlimit(RLIMIT_CORE, &lim) == 0);
441
442 /*
443 * The previous ftruncate(2) shrunk the backing object
444 * so that this address is no longer valid, so reading
445 * from it should trigger a SIGSEGV.
446 */
444
445 /*
446 * The previous ftruncate(2) shrunk the backing object
447 * so that this address is no longer valid, so reading
448 * from it should trigger a SIGSEGV.
449 */
447 c = page[getpagesize()];
450 c = page[pagesize];
448 fprintf(stderr, "child: page 1: '%c'\n", c);
449 exit(0);
450 }
451
452 if (wait(&status) < 0)
453 atf_tc_fail("wait failed; errno=%d", errno);
454
455 if (!WIFSIGNALED(status) || WTERMSIG(status) != SIGSEGV)
456 atf_tc_fail("child terminated with status %x", status);
457
458 /* Grow the object back to 2 pages. */
451 fprintf(stderr, "child: page 1: '%c'\n", c);
452 exit(0);
453 }
454
455 if (wait(&status) < 0)
456 atf_tc_fail("wait failed; errno=%d", errno);
457
458 if (!WIFSIGNALED(status) || WTERMSIG(status) != SIGSEGV)
459 atf_tc_fail("child terminated with status %x", status);
460
461 /* Grow the object back to 2 pages. */
459 if (ftruncate(fd, getpagesize() * 2) < 0)
462 if (ftruncate(fd, pagesize * 2) < 0)
460 atf_tc_fail("ftruncate(2) failed; errno=%d", errno);
461
462 if (fstat(fd, &sb) < 0)
463 atf_tc_fail("fstat(2) failed; errno=%d", errno);
464
463 atf_tc_fail("ftruncate(2) failed; errno=%d", errno);
464
465 if (fstat(fd, &sb) < 0)
466 atf_tc_fail("fstat(2) failed; errno=%d", errno);
467
465 if (sb.st_size != getpagesize() * 2)
468 if (sb.st_size != pagesize * 2)
466 atf_tc_fail("fourth resize failed (%d != %d)",
469 atf_tc_fail("fourth resize failed (%d != %d)",
467 (int)sb.st_size, getpagesize());
470 (int)sb.st_size, pagesize);
468
469 /*
470 * Note that the mapping at 'page' for the second page is
471 * still valid, and now that the shm object has been grown
472 * back up to 2 pages, there is now memory backing this page
473 * so the read will work. However, the data should be zero
474 * rather than '2' as the old data was thrown away when the
475 * object was shrunk and the new pages when an object are
476 * grown are zero-filled.
477 */
471
472 /*
473 * Note that the mapping at 'page' for the second page is
474 * still valid, and now that the shm object has been grown
475 * back up to 2 pages, there is now memory backing this page
476 * so the read will work. However, the data should be zero
477 * rather than '2' as the old data was thrown away when the
478 * object was shrunk and the new pages when an object are
479 * grown are zero-filled.
480 */
478 if (page[getpagesize()] != 0)
481 if (page[pagesize] != 0)
479 atf_tc_fail("invalid data at %d: %x != 0",
482 atf_tc_fail("invalid data at %d: %x != 0",
480 getpagesize(), (int)page[getpagesize()]);
483 pagesize, (int)page[pagesize]);
481
482 close(fd);
483}
484
485/* Signal handler which does nothing. */
486static void
487ignoreit(int sig __unused)
488{

--- 30 unchanged lines hidden (view full) ---

519 if (scval == -1)
520 printf("***Indicates this feature is unsupported!\n");
521 }
522
523 errno = 0;
524 scval = sysconf(_SC_PAGESIZE);
525 if (scval == -1 && errno != 0) {
526 atf_tc_fail("sysconf(_SC_PAGESIZE) failed; errno=%d", errno);
484
485 close(fd);
486}
487
488/* Signal handler which does nothing. */
489static void
490ignoreit(int sig __unused)
491{

--- 30 unchanged lines hidden (view full) ---

522 if (scval == -1)
523 printf("***Indicates this feature is unsupported!\n");
524 }
525
526 errno = 0;
527 scval = sysconf(_SC_PAGESIZE);
528 if (scval == -1 && errno != 0) {
529 atf_tc_fail("sysconf(_SC_PAGESIZE) failed; errno=%d", errno);
527 } else if (scval <= 0 || (size_t)psize != psize) {
530 } else if (scval <= 0) {
528 fprintf(stderr, "bogus return from sysconf(_SC_PAGESIZE): %ld",
529 scval);
530 psize = 4096;
531 } else {
532 printf("sysconf(_SC_PAGESIZE) returns %ld\n", scval);
533 psize = scval;
534 }
535
536 gen_test_path();
537 desc = shm_open(test_path, O_EXCL | O_CREAT | O_RDWR, 0600);
538
539 ATF_REQUIRE_MSG(desc >= 0, "shm_open failed; errno=%d", errno);
540 ATF_REQUIRE_MSG(shm_unlink(test_path) == 0,
541 "shm_unlink failed; errno=%d", errno);
542 ATF_REQUIRE_MSG(ftruncate(desc, (off_t)psize) != -1,
543 "ftruncate failed; errno=%d", errno);
544
531 fprintf(stderr, "bogus return from sysconf(_SC_PAGESIZE): %ld",
532 scval);
533 psize = 4096;
534 } else {
535 printf("sysconf(_SC_PAGESIZE) returns %ld\n", scval);
536 psize = scval;
537 }
538
539 gen_test_path();
540 desc = shm_open(test_path, O_EXCL | O_CREAT | O_RDWR, 0600);
541
542 ATF_REQUIRE_MSG(desc >= 0, "shm_open failed; errno=%d", errno);
543 ATF_REQUIRE_MSG(shm_unlink(test_path) == 0,
544 "shm_unlink failed; errno=%d", errno);
545 ATF_REQUIRE_MSG(ftruncate(desc, (off_t)psize) != -1,
546 "ftruncate failed; errno=%d", errno);
547
545 region = mmap((void *)0, psize, PROT_READ | PROT_WRITE, MAP_SHARED,
546 desc, (off_t)0);
548 region = mmap(NULL, psize, PROT_READ | PROT_WRITE, MAP_SHARED, desc, 0);
547 ATF_REQUIRE_MSG(region != MAP_FAILED, "mmap failed; errno=%d", errno);
548 memset(region, '\377', psize);
549
550 sa.sa_flags = 0;
551 sa.sa_handler = ignoreit;
552 sigemptyset(&sa.sa_mask);
553 ATF_REQUIRE_MSG(sigaction(SIGUSR1, &sa, (struct sigaction *)0) == 0,
554 "sigaction failed; errno=%d", errno);

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596 } else if (WIFEXITED(status)) {
597 atf_tc_fail("Child process exited with status %d",
598 WEXITSTATUS(status));
599 } else {
600 atf_tc_fail("Child process terminated with %s",
601 strsignal(WTERMSIG(status)));
602 }
603 }
549 ATF_REQUIRE_MSG(region != MAP_FAILED, "mmap failed; errno=%d", errno);
550 memset(region, '\377', psize);
551
552 sa.sa_flags = 0;
553 sa.sa_handler = ignoreit;
554 sigemptyset(&sa.sa_mask);
555 ATF_REQUIRE_MSG(sigaction(SIGUSR1, &sa, (struct sigaction *)0) == 0,
556 "sigaction failed; errno=%d", errno);

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598 } else if (WIFEXITED(status)) {
599 atf_tc_fail("Child process exited with status %d",
600 WEXITSTATUS(status));
601 } else {
602 atf_tc_fail("Child process terminated with %s",
603 strsignal(WTERMSIG(status)));
604 }
605 }
606
607 ATF_REQUIRE_MSG(munmap(region, psize) == 0, "munmap failed; errno=%d",
608 errno);
609 shm_unlink(test_path);
604}
605
606ATF_TP_ADD_TCS(tp)
607{
608
609 ATF_TP_ADD_TC(tp, remap_object);
610 ATF_TP_ADD_TC(tp, reopen_object);
611 ATF_TP_ADD_TC(tp, readonly_mmap_write);

--- 18 unchanged lines hidden --- 		610}
611
612ATF_TP_ADD_TCS(tp)
613{
614
615 ATF_TP_ADD_TC(tp, remap_object);
616 ATF_TP_ADD_TC(tp, reopen_object);
617 ATF_TP_ADD_TC(tp, readonly_mmap_write);

--- 18 unchanged lines hidden ---