Am 04.08.20 um 11:21 schrieb Jiufei Xue:
> Kernel can handle timeout when feature IORING_FEAT_GETEVENTS_TIMEOUT
> supported. Applications should use io_uring_set_cqwait_timeout()
> explicitly to asked for the new feature.
> 
> In addition in this commit we add two new members to io_uring and a pad
> for future flexibility. So for the next release, applications have to
> re-compile against the lib.

I don't think this is an option, existing applications need to work.

Or they must fail at startup when the runtime dependencies are resolved.
Which means the soname of the library has to change.

metze