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Subject: Re: [PHP-DEV] xmldoc() takes ages >>> thread safety.
From: tk.lists@fastmail.fm (Terence)

Sascha Schumann wrote:
>>I'm wandering if it is neccesary to use flock() on ALL filesystem
>>interactions in a web based (multi-threaded) application.
> 
> 
>     flock and fcntl predate the multi-threaded approach on Unix
>     and as such they have process granularity, i.e. they won't
>     help in multi-threaded environments.
> 
>     - Sascha

OK. Does this mean that there is no way to avoid dirty read/writes 
without telling the web server to limit everything to one process?