1 /* 2 * This program is free software; you can redistribute it and/or modify 3 * it under the terms of the GNU General Public License version 2. 4 * 5 * This program is distributed in the hope that it will be useful, 6 * but WITHOUT ANY WARRANTY; without even the implied warranty of 7 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 8 * GNU General Public License for more details. 9 * 10 * Test that the shm_unlink() function sets errno = ENOENT if the named shared 11 * memory object does not exist. 12 */ 13 14 #include <stdio.h> 15 #include <sys/mman.h> 16 #include <errno.h> 17 #include "posixtest.h" 18 19 #define SHM_NAME "posixtest_11-1" 20 21 int main(void) 22 { 23 int result; 24 25 /* Ensure that the name SHM_NAME is removed */ 26 shm_unlink(SHM_NAME); 27 28 result = shm_unlink(SHM_NAME); 29 30 if (result == -1 && errno == ENOENT) { 31 printf("Test PASSED\n"); 32 return PTS_PASS; 33 } else if (result == -1) { 34 perror("Unexpected error"); 35 return PTS_UNRESOLVED; 36 } 37 38 printf("shm_unlink() success."); 39 return PTS_FAIL; 40 41 } 42