5 @INC = '../lib' if -d '../lib' && -d '../ext';
8 require Config; import Config;
10 if ($ENV{'PERL_CORE'} && $Config{'extensions'} !~ m[\bIPC/SysV\b]) {
11 skip_all('-- IPC::SysV was not built');
13 skip_all_if_miniperl();
14 if ($Config{'d_sem'} ne 'define') {
15 skip_all('-- $Config{d_sem} undefined');
22 use sigtrap qw/die normal-signals error-signals/;
23 use IPC::SysV qw/ IPC_PRIVATE S_IRUSR S_IWUSR IPC_RMID SETVAL GETVAL SETALL GETALL IPC_CREAT /;
27 END { semctl $id, 0, IPC_RMID, 0 if defined $id }
30 local $SIG{SYS} = sub { skip_all("SIGSYS caught") } if exists $SIG{SYS};
31 $id = semget IPC_PRIVATE, $nsem, S_IRUSR | S_IWUSR | IPC_CREAT;
34 if (not defined $id) {
35 my $info = "semget failed: $!";
36 if ($! == &IPC::SysV::ENOSPC || $! == &IPC::SysV::ENOSYS ||
37 $! == &IPC::SysV::ENOMEM || $! == &IPC::SysV::EACCES) {
46 pass('acquired semaphore');
49 { # [perl #120635] 64 bit big-endian semctl SETVAL bug
50 ok(semctl($id, "ignore", SETALL, pack("s!*",(0)x$nsem)),
51 "Initialize all $nsem semaphores to zero");
55 ok(semctl($id, $sem2set, SETVAL, $semval),
56 "Set semaphore $sem2set to $semval");
59 ok(semctl($id, "ignore", GETALL, $semvals),
60 'Get current semaphore values');
62 my @semvals = unpack("s!*", $semvals);
63 is(scalar(@semvals), $nsem,
64 "Make sure we get back statuses for all $nsem semaphores");
66 is($semvals[$sem2set], $semval,
67 "Checking value of semaphore $sem2set");
69 is(semctl($id, $sem2set, GETVAL, "ignored"), $semval,
70 "Check value via GETVAL");