/* * 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 #include #include #include #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; }