sys/posixshm/posixshm_test.c

98 	char *page;
116 	page = mmap(0, pagesize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
117 	if (page == MAP_FAILED)
120 	page[0] = '1';
121 	ATF_REQUIRE_MSG(munmap(page, pagesize) == 0, "munmap failed; errno=%d",
130 	char *page;
137 	page = mmap(0, pagesize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
138 	if (page == MAP_FAILED)
141 	if (page[0] != '1')
142 		atf_tc_fail("missing data ('%c' != '1')", page[0]);
145 	ATF_REQUIRE_MSG(munmap(page, pagesize) == 0, "munmap failed; errno=%d",
155 	char *page;
167 	page = mmap(0, pagesize, PROT_READ, MAP_SHARED, fd, 0);
168 	if (page == MAP_FAILED)
171 	if (page[0] != '1')
172 		atf_tc_fail("missing data ('%c' != '1')", page[0]);
174 	ATF_REQUIRE_MSG(munmap(page, pagesize) == 0, "munmap failed; errno=%d",
184 	char *page;
195 	page = mmap(0, pagesize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
196 	if (page != MAP_FAILED)
277 	char *page;
279 	page = malloc(MAXPATHLEN + 1);
280 	memset(page, 'a', MAXPATHLEN);
281 	page[MAXPATHLEN] = '\0';
282 	shm_open_should_fail(page, O_RDONLY, 0777, ENAMETOOLONG);
283 	free(page);
351 	char *page;
353 	page = malloc(MAXPATHLEN + 1);
354 	memset(page, 'a', MAXPATHLEN);
355 	page[MAXPATHLEN] = '\0';
356 	shm_unlink_should_fail(page, ENAMETOOLONG);
357 	free(page);
365 	char *page;
370 	/* Start off with a size of a single page. */
386 	page = mmap(0, pagesize, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
387 	if (page == MAP_FAILED)
390 	page[0] = '1';
392 	ATF_REQUIRE_MSG(munmap(page, pagesize) == 0, "munmap failed; errno=%d",
407 	page = mmap(0, pagesize * 2, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
408 	if (page == MAP_FAILED)
411 	if (page[0] != '1')
412 		atf_tc_fail("'%c' != '1'", page[0]);
414 	/* Write a '2' at the start of the second page. */
415 	page[pagesize] = '2';
417 	/* Shrink the object back to 1 page. */
429 	 * Fork a child process to make sure the second page is no
450 		c = page[pagesize];
451 		fprintf(stderr, "child: page 1: '%c'\n", c);
473 	 * Note that the mapping at 'page' for the second page is
475 	 * back up to 2 pages, there is now memory backing this page
481 	if (page[pagesize] != 0)
483 		    pagesize, (int)page[pagesize]);