1 /* 2 * Check decoding of inotify_init1 syscall. 3 * 4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr (at) gmail.com> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include "tests.h" 31 32 #include <asm/unistd.h> 33 34 #if defined(__NR_inotify_init1) 35 36 # include <fcntl.h> 37 # include <stdio.h> 38 # include <unistd.h> 39 40 # ifdef O_CLOEXEC 41 # define cloexec_flag O_CLOEXEC 42 # else 43 # define cloexec_flag 0 44 # endif 45 # define all_flags (O_NONBLOCK | cloexec_flag) 46 47 int 48 main(void) 49 { 50 static const kernel_ulong_t bogus_flags1 = 51 (kernel_ulong_t) 0xfacefeeddeadbeefULL | O_NONBLOCK; 52 static const kernel_ulong_t bogus_flags2 = 53 (kernel_ulong_t) 0x55555550ff96b77bULL & ~all_flags; 54 55 long rc; 56 57 rc = syscall(__NR_inotify_init1, bogus_flags1); 58 printf("inotify_init1(IN_NONBLOCK|%s%#x) = %s\n", 59 bogus_flags1 & cloexec_flag ? "IN_CLOEXEC|" : "", 60 (unsigned int) (bogus_flags1 & ~all_flags), 61 sprintrc(rc)); 62 63 rc = syscall(__NR_inotify_init1, bogus_flags2); 64 printf("inotify_init1(%#x /* IN_??? */) = %s\n", 65 (unsigned int) bogus_flags2, sprintrc(rc)); 66 67 rc = syscall(__NR_inotify_init1, all_flags); 68 printf("inotify_init1(IN_NONBLOCK%s) = %s\n", 69 all_flags & cloexec_flag ? "|IN_CLOEXEC" : "", sprintrc(rc)); 70 71 puts("+++ exited with 0 +++"); 72 73 return 0; 74 } 75 76 #else 77 78 SKIP_MAIN_UNDEFINED("__NR_inotify_init1"); 79 80 #endif 81
