1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) International Business Machines Corp., 2001
4 */
5
6 /*
7 * DESCRIPTION
8 * test that msgsnd() enqueues a message correctly.
9 */
10
11 #include <errno.h>
12 #include <sys/types.h>
13 #include <sys/ipc.h>
14 #include <sys/msg.h>
15
16 #include "tst_test.h"
17 #include "tst_safe_sysv_ipc.h"
18 #include "libnewipc.h"
19
20 static key_t msgkey;
21 static int queue_id = -1;
22 static struct buf {
23 long type;
24 char text[MSGSIZE];
25 } rcv_buf, snd_buf = {MSGTYPE, "hello"};
26
verify_msgsnd(void)27 static void verify_msgsnd(void)
28 {
29 struct msqid_ds qs_buf;
30
31 TEST(msgsnd(queue_id, &snd_buf, MSGSIZE, 0));
32 if (TST_RET == -1) {
33 tst_res(TFAIL | TTERRNO, "msgsnd() failed");
34 return;
35 }
36
37 SAFE_MSGCTL(queue_id, IPC_STAT, &qs_buf);
38
39 if (qs_buf.msg_cbytes == MSGSIZE && qs_buf.msg_qnum == 1)
40 tst_res(TPASS, "queue bytes and number of queues matched");
41 else
42 tst_res(TFAIL, "queue bytes or number of queues mismatched");
43
44 SAFE_MSGRCV(queue_id, &rcv_buf, MSGSIZE, 1, 0);
45 }
46
setup(void)47 static void setup(void)
48 {
49 msgkey = GETIPCKEY();
50
51 queue_id = SAFE_MSGGET(msgkey, IPC_CREAT | IPC_EXCL | MSG_RW);
52 }
53
cleanup(void)54 static void cleanup(void)
55 {
56 if (queue_id != -1)
57 SAFE_MSGCTL(queue_id, IPC_RMID, NULL);
58 }
59
60 static struct tst_test test = {
61 .setup = setup,
62 .cleanup = cleanup,
63 .test_all = verify_msgsnd,
64 .needs_tmpdir = 1
65 };
66