Re: Shared memory, mutex functionality and spawning threads. Is it possible using PHP?

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On Mon, Sep 1, 2008 at 5:45 PM, Kent Larsson <kent.larsson@xxxxxxxxx> wrote:> Hi,>> Thank you for your answer. I was hoping there were a solution. :-/ It would> have been nice as PHP has a large install base and is a quite common element> in cheap web hosting solutions. Has anyone else got any more comments or> suggestions?>> In absence of shared memory and threads. What I really must have is some> kind of mutex functionality. I will be manipulating files on disk and I> don't want two instances to be able to touch the disk at the same time. Is> there something I could use for mutual exclusion? If there aren't any> dedicated methods, are there 100% reliable workarounds?>> On Mon, Sep 1, 2008 at 8:27 PM, Per Jessen <per@xxxxxxxxxxxx> wrote:>>> Kent Larsson wrote:>>>> > Hi,>> >>> > Is it possible to have shared memory in the form of shared global>> > variables in PHP? Or any other form of shared memory? And if that is>> > the case, is there any form of mutex functionality which may be used>> > to assure syncronized access to this memory?>> >>> > My next question is related to the first one.>>>> I can't answer any of your questions, but if you need shared memory,>> mutexes and threading, I would advice against using PHP.>>>>>> /Per Jessen, Zürich>>>>>> -->> PHP General Mailing List (http://www.php.net/)>> To unsubscribe, visit: http://www.php.net/unsub.php>>>>>
Perhaps these may be of interest:
http://us.php.net/manual/en/ref.shmop.php
http://us3.php.net/pcntl_fork
http://us3.php.net/manual/en/book.sem.php

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