| /* |
| * 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 munlock return a value of zero upon successful completion. |
| * |
| */ |
| #include <sys/mman.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <errno.h> |
| #include "posixtest.h" |
| |
| #define BUFSIZE 8 |
| |
| int main() { |
| int result; |
| void *ptr; |
| |
| ptr = malloc(BUFSIZE); |
| if (ptr == NULL) { |
| printf("Can not allocate memory.\n"); |
| return PTS_UNRESOLVED; |
| } |
| |
| if (mlock(ptr, BUFSIZE) != 0) { |
| if (errno == EPERM) { |
| printf("You don't have permission to lock your address space.\nTry to rerun this test as root.\n"); |
| } else { |
| perror("An error occurs when calling mlock()"); |
| } |
| return PTS_UNRESOLVED; |
| } |
| |
| result = munlock(ptr, BUFSIZE); |
| if (result == 0 && errno == 0) { |
| printf("Test PASSED\n"); |
| return PTS_PASS; |
| } else if (errno == 0) { |
| printf("mlock did not return a value of zero\n"); |
| return PTS_FAIL; |
| } |
| |
| perror("Unexpected error"); |
| return PTS_UNRESOLVED; |
| } |