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ipc.pm
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package Win32::IPC;
=head1 NAME
Win32::IPC - Support module for Semaphores, Mutexes,Process
and ChangeNotify Synchronization
=head1 SYNOPSIS
use Win32::Process;
#Create objects.
Win32::Process::WaitForMultipleObjects(@ListOfObjects,$WaitAll,$Timeout);
=head1 DESCRIPTION
This module is loaded by any of the IPC supporting modules. (listed above).
It supplies the WaitForMultipleObjects call to those objects.
=cut
require Exporter;
require DynaLoader;
require AutoLoader;
@ISA = qw(Exporter DynaLoader);
# Items to export into callers namespace by default. Note: do not export
# names by default without a very good reason. Use EXPORT_OK instead.
# Do not simply export all your public functions/methods/constants.
@EXPORT = qw(
INFINITE
WaitForMultipleObjects
);
sub AUTOLOAD {
# This AUTOLOAD is used to 'autoload' constants from the constant()
# XS function. If a constant is not found then control is passed
# to the AUTOLOAD in AutoLoader.
my($constname);
($constname = $AUTOLOAD) =~ s/.*:://;
#reset $! to zero to reset any current errors.
$!=0;
my $val = constant($constname, @_ ? $_[0] : 0);
if ($! != 0) {
if ($! =~ /Invalid/) {
$AutoLoader::AUTOLOAD = $AUTOLOAD;
goto &AutoLoader::AUTOLOAD;
}
else {
($pack,$file,$line) = caller;
die "Your vendor has not defined Win32::IPC macro $constname, used at $file line $line.";
}
}
eval "sub $AUTOLOAD { $val }";
goto &$AUTOLOAD;
}
bootstrap Win32::IPC;
# Preloaded methods go here.
# Autoload methods go after __END__, and are processed by the autosplit program.
1;
__END__