[compiz] [PATCH] Remove timeout callback

[Mike Dransfield]

While working on the python plugin, I realised that the
timeout system does not allow for notification when a timeout
is removed.  This has been fine up until now because he closures
never needed to be cleaned up.

In the python plugin, I pass through a custom structure which
needs to be cleaned up if the timeout is removed.  This is almost
certainly the cause of some horrible memory leaks for me.

The attached patch is a simple solution to the problem.  I think
it should be good enough for most situations.

I could maintain some sort of lookup inside my plugin, but I think
other plugins would benefit from this.

It is OK to go in or were there any comments?


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