Re: Is there any way to listen to NOTIFY in php without polling? - Mailing list pgsql-general

From Jasen Betts
Subject Re: Is there any way to listen to NOTIFY in php without polling?
Date
Msg-id kj2hqt$uhh$1@gonzo.reversiblemaps.ath.cx
Whole thread Raw
In response to Is there any way to listen to NOTIFY in php without polling?  (Clemens Eisserer <linuxhippy@gmail.com>)
Responses Re: Is there any way to listen to NOTIFY in php without polling?
List pgsql-general
On 2013-03-27, Misa Simic <misa.simic@gmail.com> wrote:
> --20cf3074d6a0c370ce04d8ef50c1
> Content-Type: text/plain; charset=UTF-8
>
> Hi Clemens,
>
> Well, I am not sure what you mean by polling...
>
> But Example shows - that C app - actually asks all the time to get
> notify... when gets something more then 4 times - exit... until 4 times
> loops...

that's polling.

I just do a select() on the socket and the select either times out or
lets me know something has come from the server. then I call whatever
it is to check for notifies.

> The same you can achieve with PHP...

except PHP doesn't have select() and hides the socket.

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