Julian Elischer wrote:
This diff is a partial MFC (picking parts out of -current)
that makes aio_return() return the error return of a completed AIO
request. (as it does on othe OS's and in 7.x).
The man page for 6.x and other OS's indicate that aio_return shoud
return all the same results as a returning read() or write()
including setting errno on error.
in 6.x this does not happen. on 7.0 it does.
The included test program can show the result when using gnop()
to simulate IO errors.
BTW the test program could be used as a start to sample code as to how
to use kqueue and aio together.
If people agree this is worth fixing, it would be nice to get it in 6.3
Looks OK to me.
Regards,
David Xu
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