| /* |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * Test that shm_open() fails if the shared memory object exist and O_EXCL and |
| * O_CREAT are set. |
| */ |
| |
| #include <sys/mman.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <stdio.h> |
| #include <errno.h> |
| #include <unistd.h> |
| #include "posixtest.h" |
| |
| #define SHM_NAME "posixtest_22-1" |
| |
| int main() { |
| int fd; |
| |
| /* Create the shared memory object */ |
| fd = shm_open(SHM_NAME, O_RDONLY|O_CREAT, S_IRUSR|S_IWUSR); |
| if (fd == -1) { |
| perror("An error occurs when calling shm_open()"); |
| return PTS_UNRESOLVED; |
| } |
| |
| fd = shm_open(SHM_NAME, O_RDONLY|O_CREAT|O_EXCL, S_IRUSR|S_IWUSR); |
| |
| if (fd == -1 && errno == EEXIST) { |
| printf("Test PASSED\n"); |
| shm_unlink(SHM_NAME); |
| return PTS_PASS; |
| } else if (fd != -1) { |
| printf("Test FAILED\n"); |
| shm_unlink(SHM_NAME); |
| return PTS_FAIL; |
| } |
| |
| perror("shm_open"); |
| shm_unlink(SHM_NAME); |
| return PTS_FAIL; |
| } |