[users@httpd] fastcgi/cygwin failures

[Jay Sprenkle <js...@reddawn.net>]

Good evening,

After much hair pulling I've found my particular bug with fastcgi on 
Windows Apache. I thought I would share with the community.

Any fastcgi binary application compiled with Microsoft (msvc 8, etc) 
compilers and running against a mod_fastcgi compiled under cygwin with a 
version of 1.5.24 or earlier will fail. The cygwin libraries do not 
emulate dup2() in such a way that the duplicated handle is reliably 
inheritable by a child process. This causes the fastcgi application to 
fail if it uses a tcp/ip connection for interprocess communication.

There's a discussion of the problem here:
http://www.nabble.com/Socket-inheritance-with-fork-dup2-exec-td11243160.html

Jay Sprenkle

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