so you suggest filtering all things 
through a shell pipe...im not sure how
i could use that to have lock-similar functionality.
im into multithreading not multiprocesses.
im thinking of making a separate

my $buffer:shared="";
sub PRINT {
 lock $buffer;
 $buffer.=shift;
}

sub dump_on_screen {
 lock $buffer;
 print $buffer;
 $|++;
 $buffer="";
}
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and have a thread say...PRINT_THREAD that
periodically prints stuff to the screen
but in the order they happened in real-time
my $pt=threads->new(\&PRINT_THREAD);
sub PRINT_THREAD {
 dump_on_screen();
}
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i havent been clear enough in what i want to do
actually, i have a multithreding app and i want
to print stuff on the screen just as they happen.
i want print to be atomic so thats why i want to
lock the screen before i start doing anything.
id like to get the order in wich threads