What is fast_cgi_exit()? AFAIK there no such 'magical' function, so it's probably something I should write myself. Ok. How it should work? Remember, it may be executed inside several eval's, and I need to jump out from these evals into my FastCGI->Accept() (or CGI::Fast->new()) loop.

Maybe I misunderstand you... can you please describe your idea about this funciton in more details, provide it pseudocode or point me to existing realization in some perl module?