***BOGO*** Re: [PHP] FW: [SPAM] [PHP] FIFO files on PHP?

["Waynn Lue" <waynnlue@xxxxxxxxx>]

On Wed, Jul 2, 2008 at 1:22 AM, Chris Scott <Chris.Scott@xxxxxxxxxx> wrote:

> > -----Original Message-----
> > From: Waynn Lue [mailto:waynnlue@xxxxxxxxx]
> > Sent: Tuesday, July 01, 2008 11:06 PM
> > To: php-general@xxxxxxxxxxxxx
> > Subject: [SPAM] [PHP] FIFO files on PHP?
> > Importance: Low
> >
> > I'm trying to build a queue out using FIFO files (someone on the MySQL
> > list suggested checking them out instead of using the database), but
> > I'm running into a problem because of the synchronous fwrite call.
> > Here's the code:
> >
> >   $fifoFile = '/tmp/fifo';
> >   if (!file_exists($fifoFile)) {
> >     posix_mkfifo($fifoFile, 0600);
> >   }
> >   $fp = fopen($fifoFile, "w");
> >   fwrite($fp, "content");
> >   fclose($fp);
> >
> > But this will block until something actually reads the pipe.  Is there
> > any way to write to the pipe, then go away as opposed to waiting until
> > something consumes it?  Otherwise, I may just go back to a database
> > table.
> >
> > Thanks,
> > Waynn
> >
> > --
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>
> Fifo nodes are equivalent to a pipe (|) and have no size on the file
> system and therefore the write won't finish until some process reads
> from the node. See the man page http://linux.die.net/man/7/fifo .
>
Wow, my mail client filtered these responses so I only just noticed them--I
thought there were no responses.  Thanks for letting me know, I ended up
using threads to accomplish something similar.