1#!perl 2 3BEGIN { 4 chdir 't' if -d 't'; 5 @INC = '../lib' if -d '../lib' && -d '../ext'; 6 7 require "./test.pl"; 8 require Config; import Config; 9 10 if ($ENV{'PERL_CORE'} && $Config{'extensions'} !~ m[\bIPC/SysV\b]) { 11 skip_all('-- IPC::SysV was not built'); 12 } 13 skip_all_if_miniperl(); 14 if ($Config{'d_sem'} ne 'define') { 15 skip_all('-- $Config{d_sem} undefined'); 16 } 17} 18 19use strict; 20our $TODO; 21 22use sigtrap qw/die normal-signals error-signals/; 23use IPC::SysV qw/ IPC_PRIVATE S_IRUSR S_IWUSR IPC_RMID SETVAL GETVAL SETALL GETALL IPC_CREAT /; 24 25my $id; 26my $nsem = 10; 27END { semctl $id, 0, IPC_RMID, 0 if defined $id } 28 29{ 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; 32} 33 34if (not defined $id) { 35 my $info = "semget failed: $!"; 36 if ($! == &IPC::SysV::ENOSPC || $! == &IPC::SysV::ENOSYS || 37 $! == &IPC::SysV::ENOMEM || $! == &IPC::SysV::EACCES) { 38 skip_all($info); 39 } 40 else { 41 die $info; 42 } 43} 44else { 45 plan(tests => 7); 46 pass('acquired semaphore'); 47} 48 49{ # [perl #120635] 64 bit big-endian semctl SETVAL bug 50 ok(semctl($id, "ignore", SETALL, pack("s!*",(0)x$nsem)), 51 "Initialize all $nsem semaphores to zero"); 52 53 my $sem2set = 3; 54 my $semval = 17; 55 ok(semctl($id, $sem2set, SETVAL, $semval), 56 "Set semaphore $sem2set to $semval"); 57 58 my $semvals; 59 ok(semctl($id, "ignore", GETALL, $semvals), 60 'Get current semaphore values'); 61 62 my @semvals = unpack("s!*", $semvals); 63 is(scalar(@semvals), $nsem, 64 "Make sure we get back statuses for all $nsem semaphores"); 65 66 is($semvals[$sem2set], $semval, 67 "Checking value of semaphore $sem2set"); 68 69 is(semctl($id, $sem2set, GETVAL, "ignored"), $semval, 70 "Check value via GETVAL"); 71} 72 73