[PATCH 5/5] eal: simplify eal alarm cancel by using LIST_FOREACH_SAFE

[Stephen Hemminger]

On Fri, 9 Aug 2024 10:33:49 +0200
Morten Brørup <mb at smartsharesystems.com> wrote:

> > +++ b/lib/eal/linux/eal_alarm.c
> > @@ -53,6 +53,13 @@ static struct rte_intr_handle *intr_handle;
> >  static int handler_registered = 0;
> >  static void eal_alarm_callback(void *arg);
> > 
> > +#ifndef LIST_FOREACH_SAFE
> > +#define LIST_FOREACH_SAFE(var, head, field, tvar)			\
> > +	for ((var) = LIST_FIRST((head));				\
> > +	    (var) && ((tvar) = LIST_NEXT((var), field), 1);		\
> > +	    (var) = (tvar))
> > +#endif  
> 
> This macro is already defined for Windows [1]; isn't it also defined in some Linux/BSD standard header file already?
> 
> [1]: https://elixir.bootlin.com/dpdk/v24.07/source/lib/eal/windows/include/sys/queue.h#L515
> 

Unfortunately, sys/queue.h on Linux is stuck on some old version.
There maybe more complete version on some libbsd headers but don't want
to get into having that dependency.