1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (c) International Business Machines  Corp., 2001
4 *
5 * msgrcv error test for EIDRM.
6 */
7
8#include <errno.h>
9#include <unistd.h>
10#include <sys/types.h>
11#include <sys/ipc.h>
12#include <sys/msg.h>
13#include <stdlib.h>
14#include "tst_test.h"
15#include "tst_safe_sysv_ipc.h"
16#include "libnewipc.h"
17
18static key_t msgkey;
19static int queue_id = -1;
20static struct buf {
21	long type;
22	char text[MSGSIZE];
23} rcv_buf = {1, "hello"};
24
25static void verify_msgrcv(void)
26{
27	TST_EXP_FAIL2(msgrcv(queue_id, &rcv_buf, MSGSIZE, 1, 0), EIDRM,
28		"msgrcv(%i, %p, %d, 1, 0)", queue_id, &rcv_buf, MSGSIZE);
29}
30
31static void do_test(void)
32{
33	int pid;
34
35	queue_id = SAFE_MSGGET(msgkey, IPC_CREAT | IPC_EXCL | MSG_RW);
36	pid = SAFE_FORK();
37	if (pid == 0) {
38		verify_msgrcv();
39		exit(0);
40	}
41	TST_PROCESS_STATE_WAIT(pid, 'S', 0);
42	SAFE_MSGCTL(queue_id, IPC_RMID, NULL);
43	tst_reap_children();
44}
45
46static void setup(void)
47{
48	msgkey = GETIPCKEY();
49}
50
51static void cleanup(void)
52{
53	if (queue_id != -1)
54		SAFE_MSGCTL(queue_id, IPC_RMID, NULL);
55}
56
57static struct tst_test test = {
58	.needs_tmpdir = 1,
59	.forks_child = 1,
60	.setup = setup,
61	.cleanup = cleanup,
62	.test_all = do_test,
63};
64