[Zope] - Httpdapy and Zope problems

[Grisha Trubetskoy]

Although theoretically I don't see why Zope couldn't work with Httpdapy
some day, it currently doesn't really, and here is why:

1. Because Apache runs multiple processes, BoboPOS databases will end up
being opened more than once. Since BoboPOS provides no other locking
mechanism than "go away I'm busy" using UNIX file locking, you
immediately run in to a "Resource Temporarily Unavailable" exception.

2. On Linux, apparently, there is a pretty serious low level problem
with using LinuxThreads and Apache together. Zope has a Scheduler object
which uses threads. LinuxThreads requires the use of a SIGUSR1 signal,
and so does Apache. So when you create a new thread your whole web
server hangs.

P.S. Not to mislead the public - bare bones ZPublisher i.e. Bobo still
works great, by the way, and is still by far my favorite way of writing
WWW apps. 

Grisha