Re: [PATCH 2/4] kernel: add task_sigpending() helper

Thomas Gleixner
2020-10-13T23:36:17Z

On Thu, Oct 08 2020 at 09:27, Jens Axboe wrote:
> This is in preparation for maintaining signal_pending() as the decider
> of whether or not a schedule() loop should be broken, or continue
> sleeping. This is different than the core signal use cases, where we
> really want to know if an actual signal is pending or not.
> task_sigpending() returns non-zero if TIF_SIGPENDING is set.
>
> Only core kernel use cases should care about the distinction between
> the two, make sure those use the task_sigpending() helper.
>
> Signed-off-by: Jens Axboe <axboe@kernel.dk>

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>