On 07/12, Rafael J. Wysocki wrote:
>
> +#define wait_event_freezable(wq, condition) \
> +({ \
> + int __ret; \
> + do { \
> + __ret = wait_event_interruptible(wq, \
> + (condition) || freezing(current)); \
> + try_to_freeze(); \
> + } while (!(condition)); \
> + __ret; \
> +})
This is still not right in general, I believe.
It will spin if the caller is signalled. You changed the freezer, but
kthread can use signals anyway.
It returns only when "condition" is true, so the "__ret" is meaningless.
Oleg.
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