| /* |
| * 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 the munlockall() function always return a value of zero if it is |
| * supported by the implementation. |
| */ |
| |
| #include <unistd.h> |
| #include <sys/mman.h> |
| #include <stdio.h> |
| #include <errno.h> |
| #include "posixtest.h" |
| |
| #if !defined(_POSIX_MEMLOCK) || _POSIX_MEMLOCK == -1 |
| |
| int main() { |
| printf("Does not support ML (Memory Lock).\n"); |
| return PTS_UNSUPPORTED; |
| } |
| |
| #else |
| |
| #if _POSIX_MEMLOCK != 0 |
| int main() { |
| int result; |
| |
| result = munlockall(); |
| |
| if (result == 0) { |
| printf("Test PASSED\n"); |
| return PTS_PASS; |
| } else if (errno == EPERM) { |
| printf("You don't have permission to unlock your address space.\nTry to rerun this test as root.\n"); |
| return PTS_UNRESOLVED; |
| } else { |
| printf("munlockall() returns %i instead of zero.\n", |
| result); |
| return PTS_FAIL; |
| } |
| |
| } |
| |
| #else |
| |
| int main() { |
| int result; |
| long memlock; |
| |
| memlock = sysconf(_SC_MEMLOCK); |
| if (errno) { |
| perror("An errno occurs when calling sysconf().\n"); |
| return PTS_UNRESOLVED; |
| } |
| |
| result = munlockall(); |
| |
| if ((result == 0 && memlock > 0) || (result == -1 && memlock <= 0)){ |
| printf("Test PASSED\n"); |
| return PTS_PASS; |
| } else if (errno == EPERM) { |
| printf("You don't have permission to unlock your address space.\nTry to rerun this test as root.\n"); |
| return PTS_UNRESOLVED; |
| } else { |
| printf("munlockall() returns %i instead of zero.\n", |
| result); |
| return PTS_FAIL; |
| } |
| |
| } |
| |
| #endif |
| |
| #endif |