[fpc-pascal] Timer in X11

[Mark Morgan Lloyd]

Henry Vermaak wrote:
> On 21/12/11 11:06, Felipe Monteiro de Carvalho wrote:
>> Hello,
>>
>> Does anyone know what would be the solution for implementing timer
>> support in a X11 toolkit? I already have TTimer support implemented
>> for LCL-CustomDrawn-Windows, Cocoa and Android (but Android is the
>> best tested of them), but it looks like X11 has no support for timers,
>> so I wonder what the best approach would be to solve this.
> 
> Roll your own event loop by calling select() on the XConnectionNumber 
> (which is a file descriptor).  You can then use the select() timeout, or 
> use timerfd* functions under linux.  Google around to find examples.

Presumably with the usual health warnings on whether select() updates 
its parameters. As far as I could tell when hacking serial.pp, Linux 
does but Solaris (8, 10) doesn't.

-- 
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

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