On Thu, 2008-07-17 at 16:57 -0400, Jonathan S. Shapiro wrote:
> On Thu, 2008-07-17 at 20:54 +0000, Eric Rannaud wrote:
> > Oh, and there is another case I forget, for which you would need
> > language support:
> >
> > struct a {
> > int x, y;
> > #ifdef DEPRECATED_FEATURE /* too go in 2 revisions */
> > char c;
> > #endif
> > };
>
> This is definitely not something that should be done with the
> preprocessor. In this particular case, what you are looking for is an
> annotation.
OK, I don't understand what you mean by annotation. Unless my example
was too specific, and you mean annotation for "deprecated"?
A better example would be, from the Linux kernel:
struct rt_mutex_waiter {
struct plist_node list_entry;
struct plist_node pi_list_entry;
struct task_struct *task;
struct rt_mutex *lock;
#ifdef CONFIG_DEBUG_RT_MUTEXES
unsigned long ip;
struct pid *deadlock_task_pid;
struct rt_mutex *deadlock_lock;
#endif
};
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