EINTR and simple main loop?

[Thiago Macieira]

On Tuesday 05 August 2008 09:26:42 Markku Savela wrote:
> I needed a simple DBus based service, which needed to manage some
> child processes. I didn't want to spend too much time on DBus details,
> so I used the simplest main loop
>
>  while (dbus_connection_read_write_dispatch(...))
>    {
>    something();
>    }
>
> Because messing with complex data structures in signal handler is
> problematic, I just set simple global flags that something has
> changed, and wanted to do the actual "cleanup" in the "something()".
>
> However, the event loop does not appear to "cycle" on signals (EINTR).
>
> Is there any simple way to get this happen? Or, is the only way to
> make my own event loop?

Write your own, full event loop. From your signal handler, write a byte to a 
pipe. And put that pipe in the same select/poll call that you use to check the 
D-Bus socket.

-- 
  Thiago Macieira  -  thiago (AT) macieira.info - thiago (AT) kde.org
    PGP/GPG: 0x6EF45358; fingerprint:
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