67 lines
1.2 KiB
C
67 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) International Business Machines Corp., 2001
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*/
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/*
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* DESCRIPTION
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* create a message queue, write a message to it and
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* read it back.
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*/
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#include <errno.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/ipc.h>
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#include <sys/msg.h>
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#include "tst_test.h"
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#include "tst_safe_sysv_ipc.h"
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#include "libnewipc.h"
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static int queue_id = -1;
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static key_t msgkey;
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static struct buf {
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long type;
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char text[MSGSIZE];
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} rcv_buf, snd_buf = {MSGTYPE, "hello, world"};
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static void verify_msgget(void)
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{
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TEST(msgget(msgkey, IPC_CREAT | MSG_RW));
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if (TST_RET == -1) {
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tst_res(TFAIL | TTERRNO, "msgget() failed");
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return;
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}
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queue_id = TST_RET;
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SAFE_MSGSND(queue_id, &snd_buf, MSGSIZE, 0);
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SAFE_MSGRCV(queue_id, &rcv_buf, MSGSIZE, MSGTYPE, IPC_NOWAIT);
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if (strcmp(snd_buf.text, rcv_buf.text) == 0)
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tst_res(TPASS, "message received = message sent");
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else
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tst_res(TFAIL, "message received != message sent");
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}
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static void setup(void)
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{
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msgkey = GETIPCKEY();
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}
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static void cleanup(void)
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{
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if (queue_id != -1)
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SAFE_MSGCTL(queue_id, IPC_RMID, NULL);
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}
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static struct tst_test test = {
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.setup = setup,
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.cleanup = cleanup,
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.test_all = verify_msgget,
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.needs_tmpdir = 1
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};
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