BEGIN {

chdir 't' if -d 't';

@INC = '../lib';

require Config; import Config;

my $reason;

if ($Config{'extensions'} !~ /\bIPC\/SysV\b/) {

$reason = 'IPC::SysV was not built';

} elsif ($Config{'d_sem'} ne 'define') {

$reason = '$Config{d_sem} undefined';

} elsif ($Config{'d_msg'} ne 'define') {

$reason = '$Config{d_msg} undefined';

}

if ($reason) {

print "1..0 # Skip: $reason\n";

exit 0;

}

}

use IPC::SysV qw(IPC_PRIVATE IPC_RMID IPC_NOWAIT IPC_STAT S_IRWXU S_IRWXG S_IRWXO);

use IPC::Msg;

#Creating a message queue

print "1..9\n";

my $msq =

new IPC::Msg(IPC_PRIVATE, S_IRWXU | S_IRWXG | S_IRWXO)

|| die "msgget: ",$!+0," $!\n";

print "ok 1\n";

#Putting a message on the queue

$msgtype = 1;

$msg = "hello";

print $msq->snd($msgtype,$msg,IPC_NOWAIT) ? "ok 2\n" : "not ok 2 # $!\n";

#Check if there are messages on the queue

$ds = $msq->stat() or print "not ";

print "ok 3\n";

print "not " unless $ds && $ds->qnum() == 1;

print "ok 4\n";

#Retreiving a message from the queue

$rmsgtype = 0; # Give me any type

$rmsgtype = $msq->rcv($rmsg,256,$rmsgtype,IPC_NOWAIT) || print "not ";

print "ok 5\n";

print "not " unless $rmsgtype == $msgtype && $rmsg eq $msg;

print "ok 6\n";

$ds = $msq->stat() or print "not ";

print "ok 7\n";

print "not " unless $ds && $ds->qnum() == 0;

print "ok 8\n";

END {

(defined $msq && $msq->remove) || print "not ";

print "ok 9\n";

}