[LTP] [PATCH v2] fzsync: break inf loop with flag vs pthread_cancel

Li Wang liwang@redhat.com
Tue Apr 12 04:40:58 CEST 2022


On Mon, Apr 11, 2022 at 11:17 PM Edward Liaw via ltp <ltp@lists.linux.it>
wrote:


Hi, I'm working to get fzsync working with the Android kernel, which
> does not have pthread_cancel available.
>
> In the absence of pthread_cancel, when thread A exits due to a break,
> thread B will get stuck in an infinite loop while waiting for thread A
> to progress.
>
> Instead of cancelling thread B, we can use the exit flag to break out of
> thread B's loop.  This should also remove the need for the wrapper
> around the thread.
>
> Signed-off-by: Edward Liaw <edliaw@google.com>
>

Reviewed-by: Li Wang <liwang@redhat.com>


-- 
Regards,
Li Wang
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