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use IPC::SysV qw(
SETALL
IPC_PRIVATE
IPC_CREAT
IPC_RMID
IPC_NOWAIT
IPC_STAT
S_IRWXU
S_IRWXG
S_IRWXO
);
use IPC::Semaphore;
print "1..10\n";
$sem = new IPC::Semaphore(IPC_PRIVATE, 10, S_IRWXU | S_IRWXG | S_IRWXO | IPC_CREAT)
|| die "semget: ",$!+0," $!\n";
print "ok 1\n";
my $st = $sem->stat || print "not ";
print "ok 2\n";
$sem->setall( (0) x 10) || print "not ";
print "ok 3\n";
my @sem = $sem->getall;
print "not " unless join("",@sem) eq "0000000000";
print "ok 4\n";
$sem[2] = 1;
$sem->setall( @sem ) || print "not ";
print "ok 5\n";
@sem = $sem->getall;
print "not " unless join("",@sem) eq "0010000000";
print "ok 6\n";
my $ncnt = $sem->getncnt(0);
print "not " if $sem->getncnt(0) || !defined($ncnt);
print "ok 7\n";
$sem->op(2,-1,IPC_NOWAIT) || print "not ";
print "ok 8\n";
print "not " if $sem->getncnt(0);
print "ok 9\n";
$sem->remove || print "not ";
print "ok 10\n";
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