86 lines
1.5 KiB
C
86 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Copyright (c) International Business Machines Corp., 2001
|
|
*/
|
|
|
|
/*
|
|
* DESCRIPTION
|
|
* Tests if EIDRM is returned when message queue was removed while
|
|
* msgsnd() was trying to send a message.
|
|
*/
|
|
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include <sys/ipc.h>
|
|
#include <sys/msg.h>
|
|
|
|
#include "tst_test.h"
|
|
#include "tst_safe_sysv_ipc.h"
|
|
#include "libnewipc.h"
|
|
|
|
static key_t msgkey;
|
|
static int queue_id = -1;
|
|
static struct buf {
|
|
long type;
|
|
char text[MSGSIZE];
|
|
} snd_buf = {1, "hello"};
|
|
|
|
static void verify_msgsnd(void)
|
|
{
|
|
TEST(msgsnd(queue_id, &snd_buf, MSGSIZE, 0));
|
|
if (TST_RET != -1) {
|
|
tst_res(TFAIL, "msgsnd() succeeded unexpectedly");
|
|
return;
|
|
}
|
|
|
|
if (TST_ERR == EIDRM) {
|
|
tst_res(TPASS | TTERRNO, "msgsnd() failed as expected");
|
|
} else {
|
|
tst_res(TFAIL | TTERRNO,
|
|
"msgsnd() failed unexpectedly, expected EIDRM");
|
|
}
|
|
}
|
|
|
|
static void do_test(void)
|
|
{
|
|
pid_t pid;
|
|
|
|
queue_id = SAFE_MSGGET(msgkey, IPC_CREAT | IPC_EXCL | MSG_RW);
|
|
|
|
while (msgsnd(queue_id, &snd_buf, MSGSIZE, IPC_NOWAIT) != -1)
|
|
snd_buf.type += 1;
|
|
|
|
pid = SAFE_FORK();
|
|
if (!pid) {
|
|
verify_msgsnd();
|
|
_exit(0);
|
|
}
|
|
|
|
TST_PROCESS_STATE_WAIT(pid, 'S', 0);
|
|
|
|
SAFE_MSGCTL(queue_id, IPC_RMID, NULL);
|
|
|
|
tst_reap_children();
|
|
}
|
|
|
|
static void setup(void)
|
|
{
|
|
msgkey = GETIPCKEY();
|
|
}
|
|
|
|
static void cleanup(void)
|
|
{
|
|
if (queue_id != -1)
|
|
SAFE_MSGCTL(queue_id, IPC_RMID, NULL);
|
|
}
|
|
|
|
static struct tst_test test = {
|
|
.needs_tmpdir = 1,
|
|
.needs_root = 1,
|
|
.forks_child = 1,
|
|
.setup = setup,
|
|
.cleanup = cleanup,
|
|
.test_all = do_test
|
|
};
|