package threads::shared;
+
+use 5.007_003;
use strict;
use warnings;
use Config;
+BEGIN {
+ unless ($Config{useithreads}) {
+ my @caller = caller(2);
+ die <<EOF;
+$caller[1] line $caller[2]:
+
+This Perl hasn't been configured and built properly for the threads
+module to work. (The 'useithreads' configuration option hasn't been used.)
+
+Having threads support requires all of Perl and all of the modules in
+the Perl installation to be rebuilt, it is not just a question of adding
+the threads module. (In other words, threaded and non-threaded Perls
+are binary incompatible.)
+
+If you want to the use the threads module, please contact the people
+who built your Perl.
+
+Cannot continue, aborting.
+EOF
+ }
+}
+
require Exporter;
our @ISA = qw(Exporter);
-our @EXPORT = qw(share cond_wait cond_broadcast cond_signal unlock);
-our @EXPORT_OK = qw(_id _thrcnt _refcnt);
+our @EXPORT = qw(share cond_wait cond_broadcast cond_signal _refcnt _id _thrcnt);
our $VERSION = '0.90';
+use Attribute::Handlers;
+
if ($Config{'useithreads'}) {
*cond_wait = \&cond_wait_enabled;
*cond_signal = \&cond_signal_enabled;
*cond_broadcast = \&cond_broadcast_enabled;
- *unlock = \&unlock_enabled;
require XSLoader;
XSLoader::load('threads::shared',$VERSION);
}
*cond_wait = \&cond_wait_disabled;
*cond_signal = \&cond_signal_disabled;
*cond_broadcast = \&cond_broadcast_disabled;
- *unlock = \&unlock_disabled;
}
sub cond_wait_disabled { return @_ };
sub cond_signal_disabled { return @_};
sub cond_broadcast_disabled { return @_};
-sub unlock_disabled { 1 };
-sub lock_disabled { 1 }
sub share_disabled { return @_}
$threads::shared::threads_shared = 1;
die "Splice not implemented for shared arrays";
}
+sub UNIVERSAL::shared : ATTR {
+ my ($package, $symbol, $referent, $attr, $data, $phase) = @_;
+ share($referent);
+}
__END__
=head1 SYNOPSIS
+ use threads;
use threads::shared;
my($foo, @foo, %foo);