Hello,
Yes, the parent process would handle the fork,
the reaping of the children, etc...
I've looked into pcntl in the past, never got to
far w/it. I've read a lot about forking in C/Perl,
but never really had to code it myself.
Thanks, I'll go back and read the php.net stuff.
- Ben
----- Original Message -----
From: "Rob Marscher" <[EMAIL PROTECTED]>
To: "NYPHP Talk" <[email protected]>
Sent: Tuesday, April 17, 2007 2:48 PM
Subject: Re: [nyphp-talk] [OT] MySQL Queue
On 4/17/07, Ben Sgro (ProjectSkyline) <[EMAIL PROTECTED]> wrote:
1) Every x min, select the oldest time from the queue (LIMIT 1)
2) DELETE that row from the queue
I assume that just one parent process would be performing this and
then forking a process to handle the job afterwards, right?
Otherwise, you'd have the chance that two processes would read the
queue at the same time and process the same job -- in that case, a
read lock could work.
I've only done forking in C. I saw this in the php manual: "Process
Control support in PHP is not enabled by default. You have to compile
the CGI or CLI version of PHP with --enable-pcntl configuration
option when compiling PHP to enable Process Control support." The
examples in the manual seem like a good starting point: http://
us2.php.net/manual/en/ref.pcntl.php
-Rob
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