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
18 static key_t msgkey;
19 static int queue_id = -1;
20 static struct buf {
21 long type;
22 char text[MSGSIZE];
23 } rcv_buf = {1, "hello"};
24
verify_msgrcv(void)25 static 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
do_test(void)31 static 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
setup(void)46 static void setup(void)
47 {
48 msgkey = GETIPCKEY();
49 }
50
cleanup(void)51 static void cleanup(void)
52 {
53 if (queue_id != -1)
54 SAFE_MSGCTL(queue_id, IPC_RMID, NULL);
55 }
56
57 static 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