/*
* setup() - performs all the ONE TIME setup for this test.
*/
void setup(void)
{
/* capture signals */
tst_sig(NOFORK, DEF_HANDLER, cleanup);
/* Set up the expected error numbers for -e option */
TEST_EXP_ENOS(exp_enos);
/* Pause if that option was specified */
TEST_PAUSE;
/*
* Create a temporary directory and cd into it.
* This helps to ensure that a unique msgkey is created.
* See ../lib/libipc.c for more information.
*/
tst_tmpdir();
msgkey = getipckey();
maxmsgs = get_max_msgqueues();
if (maxmsgs < 0)
tst_brkm(TBROK, cleanup, "maxmsgs is zero");
msg_q_arr = (int *)calloc(maxmsgs, sizeof(int));
if (msg_q_arr == NULL) {
tst_brkm(TBROK, cleanup, "Couldn't allocate memory "
"for msg_q_arr: calloc() failed");
}
}
/*
* setup() - performs all the ONE TIME setup for this test.
*/
void
setup(void)
{
int msg_q;
/* capture signals */
tst_sig(NOFORK, DEF_HANDLER, cleanup);
/* Set up the expected error numbers for -e option */
TEST_EXP_ENOS(exp_enos);
/* Pause if that option was specified */
TEST_PAUSE;
/*
* Create a temporary directory and cd into it.
* This helps to ensure that a unique msgkey is created.
* See ../lib/libipc.c for more information.
*/
tst_tmpdir();
msgkey = getipckey();
maxmsgs = get_max_msgqueues();
msg_q_arr = (int *)calloc(maxmsgs, sizeof (int));
if (msg_q_arr == NULL) {
tst_brkm(TBROK, cleanup, "Couldn't allocate memory "
"for msg_q_arr: calloc() failed");
}
/*
* Use a while loop to create the maximum number of queues.
* When we get an error, check for ENOSPC.
*/
while((msg_q = msgget(msgkey + num_queue, IPC_CREAT|IPC_EXCL)) != -1) {
msg_q_arr[num_queue] = msg_q;
if (num_queue == maxmsgs) {
tst_resm(TINFO, "The maximum number of message"
" queues (%d) has been reached", maxmsgs);
break;
}
num_queue++;
}
/*
* if we have something other than ENOSPC, then something else is
* wrong.
*/
if (errno != ENOSPC) {
tst_brkm(TBROK, cleanup, "Didn't get ENOSPC in test setup"
" - errno = %d : %s", errno, strerror(errno));
}
}
