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#!perl
BEGIN {
chdir 't' if -d 't';
@INC = '../lib' if -d '../lib' && -d '../ext';
require "./test.pl";
require Config; import Config;
if ($ENV{'PERL_CORE'} && $Config{'extensions'} !~ m[\bIPC/SysV\b]) {
skip_all('-- IPC::SysV was not built');
}
skip_all_if_miniperl();
if ($Config{'d_sem'} ne 'define') {
skip_all('-- $Config{d_sem} undefined');
}
}
use strict;
our $TODO;
use sigtrap qw/die normal-signals error-signals/;
use IPC::SysV qw/ IPC_PRIVATE S_IRUSR S_IWUSR IPC_RMID SETVAL GETVAL SETALL GETALL IPC_CREAT /;
my $id;
my $nsem = 10;
END { semctl $id, 0, IPC_RMID, 0 if defined $id }
{
local $SIG{SYS} = sub { skip_all("SIGSYS caught") } if exists $SIG{SYS};
$id = semget IPC_PRIVATE, $nsem, S_IRUSR | S_IWUSR | IPC_CREAT;
}
if (not defined $id) {
my $info = "semget failed: $!";
if ($! == &IPC::SysV::ENOSPC || $! == &IPC::SysV::ENOSYS ||
$! == &IPC::SysV::ENOMEM || $! == &IPC::SysV::EACCES) {
plan(skip_all => $info);
}
else {
die $info;
}
}
else {
plan(tests => 7);
pass('acquired semaphore');
}
{ # [perl #120635] 64 bit big-endian semctl SETVAL bug
ok(semctl($id, "ignore", SETALL, pack("s!*",(0)x$nsem)),
"Initialize all $nsem semaphores to zero");
my $sem2set = 3;
my $semval = 17;
ok(semctl($id, $sem2set, SETVAL, $semval),
"Set semaphore $sem2set to $semval");
my $semvals;
ok(semctl($id, "ignore", GETALL, $semvals),
'Get current semaphore values');
my @semvals = unpack("s!*", $semvals);
is(scalar(@semvals), $nsem,
"Make sure we get back statuses for all $nsem semaphores");
is($semvals[$sem2set], $semval,
"Checking value of semaphore $sem2set");
is(semctl($id, $sem2set, GETVAL, "ignored"), $semval,
"Check value via GETVAL");
}
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