> On Sat, 13 Jan 2007, YAMAMOTO Takashi wrote:
> 
> > > would be simpler? In usage, it would cost checking a flag for each
> > > callout:
> >
> > it's what i specifically wanted to avoid by this code,
> > because it adds "some" overheads to common code for rarely used functionality.
> > but if people feel it better (it seems so), i can do it.
> 
> Maybe you can avoid this, by storing the real function/arg in a work
> structure and store start_work/work_arg in the callout?
> 
> iain

i don't want to enlarge "struct callout" for this, given that
it's embedded in other structures.

YAMAMOTO Takashi