1 /* 2 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include "tests.h" 29 #include <stdio.h> 30 #include <unistd.h> 31 #include <sys/stat.h> 32 #include <sys/mount.h> 33 #include <asm/unistd.h> 34 35 #ifdef __NR_umount2 36 # define TEST_SYSCALL_STR "umount2" 37 #else 38 # define __NR_umount2 __NR_umount 39 # define TEST_SYSCALL_STR "umount" 40 #endif 41 42 int 43 main(void) 44 { 45 static const char sample[] = "umount2.sample"; 46 if (mkdir(sample, 0700)) 47 perror_msg_and_fail("mkdir: %s", sample); 48 (void) syscall(__NR_umount2, sample, 31); 49 printf("%s(\"%s\", MNT_FORCE|MNT_DETACH|MNT_EXPIRE|UMOUNT_NOFOLLOW|0x10)" 50 " = -1 EINVAL (%m)\n", TEST_SYSCALL_STR, sample); 51 if (rmdir(sample)) 52 perror_msg_and_fail("rmdir: %s", sample); 53 puts("+++ exited with 0 +++"); 54 return 0; 55 } 56