Re: [mod-security-users] Re: Mutex errors in chroot Apache

[Ivan R. <iv...@we...>]

Skye Poier wrote:
>
> What is apr_global_mutex_child_init() doing?
> I guess I'll look through the Apache2 source next.

  Sometimes, after a fork, the child process needs to
  initialise a mutex in order to be able to access it. This
  isn't necessary on all platforms but I don't know the
  details. I've never had a child-access permission
  problem on Unix.


> I recall reading that POSIX semaphores may not be safe with
> mod_security.

  Not that I know of.

-- 
Ivan Ristic, Technical Director
Thinking Stone, http://www.thinkingstone.com
ModSecurity: Open source Web Application Firewall
Apache Security (O'Reilly): http://www.apachesecurity.net