sorry I missed the opening parentheses for @Arguments first I declared a hash where functions are stored which I call them in thread, like: %FunctionsToLaunchThread = ( "run_script" => \&run_script ); and then I created a thread: $Thread = threads->create( \&WorkThread ); Now I created a subroutine sub runtk where i assigned 
$FunctionName = "run_script";
@ArgumentsThread = ($new);

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so now the following $FunctionsToLaunchThread{$FunctionName}->(@ArgumentsThread); becomes $FunctionsToLaunchThread{run_script}->($new) which is \&run_script->($new); The above function is expected to call the function in the thread. The run_script subroutine I already shared in previous post. As you said its true I am facing a blocking problem on the device I/O. The thread is created and is loading the do "add.pl" but now in the add.pl I am using network modules, this modules are blocked for the thread to work completely. I am getting following errors: 1. "unable call method purge_all() in the Modem.pm on undentified variable" 2. "undefined value for a shared variable at line.... in Modem.pm" So is there any way to work around this. I wanted to share the working code but it is too big.

In reply to Re^2: Perl/Tk Multithreading by mahis_431
in thread Perl/Tk Multithreading by mahis_431

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