#!/usr/bin/perl 
use warnings;
use strict;
use Glib;

my $main_loop = Glib::MainLoop->new;

Glib::IO->add_watch (fileno 'STDIN', [qw/in/], \&watch_callback, 'STDIN');	

#just to show it's non blocking
my $timer1  = Glib::Timeout->add (10000, \&testcallback, undef, 1 );

$main_loop->run;

sub watch_callback {
#	print "@_\n";
	my ($fd, $condition, $fh) = @_;
	my $line = readline STDIN;
	print $line;
	#always return TRUE to continue the callback
	return 1;
}	

sub testcallback{
   print "\t\t\t".time."\n";

}
__END__


##</code><code>##

#!/usr/bin/perl
use warnings;
use strict;
use Term::ReadKey;
use threads;

$|++;
#ReadMode('cbreak');

# works non-blocking if read stdin is in a thread
my $thr = threads->new(\&read_in)->detach;

while(1){
print "test\n";
sleep 5;
}

#ReadMode('normal'); # restore normal tty settings


sub read_in{
        while(1){
         my $char;
         if (defined ($char = ReadKey(0)) ) {
            print "\t\t$char->", ord($char),"\n";    
            #process key presses here
            if($char eq 'q'){exit}
            #if(length $char){exit}  # panic button on any key :-)
            }
          }
}

__END__