Re: [PATCH] add wait_event_interruptible_exclusive() macro

From: Dean Nelson
Date: Tue Jun 22 2004 - 07:29:48 EST


On Tue, Jun 22, 2004 at 05:01:30AM -0700, Chris Wedgwood wrote:
> On Fri, Jun 18, 2004 at 10:12:06AM -0500, Dean Nelson wrote:
>
> > +#define __wait_event_interruptible_exclusive(wq, condition, ret) \
> > +do { \
> > + wait_queue_t __wait; \
> > + init_waitqueue_entry(&__wait, current); \
> > + \
> > + add_wait_queue_exclusive(&wq, &__wait);
> > \
>
> [...]
>
> Thsi reminds me...
>
> I really loath all the preprocessor macros. I know there are plenty
> of this already, but I don't see the advantage of macros over (static)
> inline functions which IMO look cleaner and give gcc some change to
> sanitize what it's looking at without actually having to have it used.
>
> Is there a reason why we keep doing this?

In this particular case, I was just trying to 'conform' to what I found
in include/linux/wait.h.

If the community would prefer, I can resubmit my patch as an inline
function instead of a macro.

Dean
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