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From Joe Orton <>
Subject Re: [users@httpd] Apache 2.0: Recommended Mutex types for Solaris 8,9,10
Date Thu, 06 Oct 2005 11:36:35 GMT
On Wed, Oct 05, 2005 at 03:36:45PM +0200, Axel-St├ęphane  SMORGRAV wrote:
> Joe, 
> Thanks for replying to my post.
> Isn't the AcceptMutex only used inside the parent process to serialise 
> the access to the accept(2) system call ?

It's used in *children* to do that, yes.

> Is your comment about cross-process mutex relevant for SSLMutex rather 
> than AcceptMutex , and would that mean that in your opinion although 
> it might be OK to use pthread for AcceptMutex it should be avoided in 
> the case of SSLMutex ?

The same concerns apply to both equally.  If the process crashes holding 
the SSLMutex then all processes which try to server SSL are liable to 

> Would you have any idea of the performance implications of using fcntl 
> or flock over sysvsem or pthread ?

No idea on Solaris, sorry, you'd have to benchmark this.



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