On 28.01.2021 at 00:47, Tim Starling wrote:
> In 2018, I wrote an extension called Excimer, and we've been using it
> internally in WMF since then.
>
> Today, someone from outside WMF discovered the extension and reminded
> us that we never published on PECL. That's a good point -- when I
> wrote it I assumed it would be generally useful and appreciated, I
> just never got around to promoting it.
>
> PHP 7.1 introduced the EG(vm_interrupt) feature, to improve signal
> handling. Excimer provides generic timers which use EG(vm_interrupt)
> to run arbitrary userspace callbacks after a certain time has elapsed.
> For example:
>
> $timer = new ExcimerTimer;
> $timer->setInterval( 10 /* seconds */ );
> $timer->setCallback( function () {
> throw new Exception( "The allowed time has been exceeded" );
> } );
> $timer->start();
> do_expensive_thing();
>
> It provides one-shot timers, peroidic timers, and a sampling profiler
> backend which aggregates stack traces for userspace formatting. For
> more information, see https://www.mediawiki.org/wiki/Excimer
>
> So we'd like to put Excimer into PECL. Also, I'd like Timo Tijhof
> (krinkle) to be given a PECL account so that I'm not a SPOF for this
> extension.
>
> If people like this extension, perhaps we could also write a manual
> chapter for it, like we did with LuaSandbox.
Looks good to me. I suggest you go ahead and create the PECL package.
Thank you!
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