| /* |
| * Copyright (c) International Business Machines Corp., 2008 |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * 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. |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| **************************************************************************/ |
| /* |
| * Description: |
| * This program verifies the kernel version to be no later than 2.6.16 |
| * And checks if the unshare() system call is defined using dlsym(), |
| * in the Dynamically Linked Libraries. |
| * |
| * Date : 26-11-2008 |
| * Author : Veerendra C <vechandr@in.ibm.com> |
| */ |
| |
| #include <dlfcn.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include "test.h" |
| |
| int main(int argc, char **argv) |
| { |
| void *handle; |
| void *ret; |
| char *error; |
| if (tst_kvercmp(2, 6, 16) < 0) |
| return 1; |
| |
| handle = dlopen(NULL, RTLD_LAZY); |
| if (!handle) { |
| fprintf(stderr, "%s\n", dlerror()); |
| exit(1); |
| } |
| |
| dlerror(); /* Clear any existing error */ |
| ret = dlsym(handle, "unshare"); |
| if ((error = dlerror()) != NULL) { |
| fprintf(stderr, "Error: %s\n", error); |
| exit(1); |
| } |
| |
| dlclose(handle); |
| return 0; |
| } |