what makes you think it's stuck? Are you sure it's really stuck and that you're not suffering from buffering? Add 
OUTPUT_FILE->autoflush(1);

[download]
after the open. You'll need 
use IO::Handle qw( );

[download]
at the top.

In reply to Re^6: Cannot catch ALRM signal for timeout by ikegami
in thread Cannot catch ALRM signal for timeout by Magice

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