1 /* Copyright (c) 2014 Red Hat, Inc. 2 * 3 * This program is free software: you can redistribute it and/or modify 4 * it under the terms of version 2 the GNU General Public License as 5 * published by the Free Software Foundation. 6 * 7 * This program is distributed in the hope that it will be useful, 8 * but WITHOUT ANY WARRANTY; without even the implied warranty of 9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 10 * GNU General Public License for more details. 11 * 12 * You should have received a copy of the GNU General Public License 13 * along with this program. If not, see <http://www.gnu.org/licenses/>. 14 */ 15 16 #include "libclone.h" 17 #include "test.h" 18 #include "safe_macros.h" 19 20 #define DIRA "A" 21 #define DIRB "B" 22 23 static int dummy_child(void *v) 24 { 25 (void) v; 26 return 0; 27 } 28 29 static int check_newns(void) 30 { 31 int pid, status; 32 33 if (tst_kvercmp(2, 4, 19) < 0) 34 tst_brkm(TCONF, NULL, "CLONE_NEWNS not supported"); 35 36 pid = do_clone_unshare_test(T_CLONE, CLONE_NEWNS, dummy_child, NULL); 37 if (pid == -1) 38 tst_brkm(TCONF | TERRNO, NULL, "CLONE_NEWNS not supported"); 39 SAFE_WAIT(NULL, &status); 40 41 return 0; 42 } 43 44 static void cleanup(void) 45 { 46 umount(DIRA); 47 umount(DIRB); 48 tst_rmdir(); 49 } 50 51 static void setup(void) 52 { 53 tst_require_root(); 54 check_newns(); 55 tst_tmpdir(); 56 TST_CHECKPOINT_INIT(tst_rmdir); 57 SAFE_MKDIR(cleanup, DIRA, 0777); 58 SAFE_MKDIR(cleanup, DIRB, 0777); 59 SAFE_TOUCH(cleanup, DIRA"/A", 0, NULL); 60 SAFE_TOUCH(cleanup, DIRB"/B", 0, NULL); 61 } 62
