Stop the script when the user leaves

Hi all. I'm from Braz I'm writing a simple web chat and trying to do that in mod_perl. Thescript is very simple, it reads a text file with the messages and print the messages in a frame. It enters in a loop that only ends when the user send a lougout to the script. The problem that i'm

Httpd process growing

about what could be wrong with it. Someone have a tip about what could caused that? Thanks in advance, Dimas Kotvan