1 /* 2 * Copyright (c) 2015 Elvira Khabirova <lineprinter0 (at) gmail.com> 3 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv (at) altlinux.org> 4 * Copyright (c) 2015-2017 The strace developers. 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 #include <stdlib.h> 32 #include <sys/ipc.h> 33 #include <sys/msg.h> 34 #include <sys/stat.h> 35 36 #define text_string "STRACE_STRING" 37 #define msgsz sizeof(text_string) 38 39 static int msqid = -1; 40 41 static int 42 cleanup(void) 43 { 44 if (msqid != -1) { 45 int rc = msgctl(msqid, IPC_RMID, 0); 46 msqid = -1; 47 if (rc == -1) 48 return 77; 49 } 50 return 0; 51 } 52 53 int 54 main(void) 55 { 56 const long mtype = 0xdefaced; 57 struct { 58 kernel_long_t mtype; 59 char mtext[msgsz]; 60 } msg = { 61 .mtype = mtype, 62 .mtext = text_string 63 }; 64 msqid = msgget(IPC_PRIVATE, IPC_CREAT | S_IRWXU); 65 if (msqid == -1) 66 perror_msg_and_skip("msgget"); 67 typedef void (*atexit_func)(void); 68 atexit((atexit_func) cleanup); 69 if (msgsnd(msqid, &msg, msgsz, 0) == -1) 70 perror_msg_and_skip("msgsnd"); 71 if (msgrcv(msqid, &msg, msgsz, mtype, 0) != msgsz) 72 perror_msg_and_skip("msgrcv"); 73 return cleanup(); 74 } 75
