Dmitry V. Levin
4e4958e0f9
* tests/ipc_msgbuf.c (cleanup): New function. (main): Use it and perror_msg_and_skip.
69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
/*
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* Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com>
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* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <stdlib.h>
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#include <sys/ipc.h>
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#include <sys/msg.h>
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#include <sys/stat.h>
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#include "kernel_types.h"
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#define text_string "STRACE_STRING"
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#define msgsz sizeof(text_string)
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static int msqid = -1;
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static void
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cleanup(void)
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{
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msgctl(msqid, IPC_RMID, 0);
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msqid = -1;
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}
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int
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main (void)
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{
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const long mtype = 0xdefaced;
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struct {
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kernel_long_t mtype;
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char mtext[msgsz];
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} msg = {
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.mtype = mtype,
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.mtext = text_string
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};
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msqid = msgget(IPC_PRIVATE, IPC_CREAT | S_IRWXU);
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if (msqid == -1)
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perror_msg_and_skip("msgget");
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atexit(cleanup);
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if (msgsnd(msqid, &msg, msgsz, 0) == -1)
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perror_msg_and_skip("msgsnd");
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if (msgrcv(msqid, &msg, msgsz, mtype, 0) != msgsz)
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perror_msg_and_skip("msgrcv");
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return 0;
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}
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