[Bug librt/20950] Do asynchronous execution for lio_listio's IOs

["Ulrich.Windl at rz dot uni-regensburg.de" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=20950

--- Comment #2 from Ulrich Windl <Ulrich.Windl at rz dot uni-regensburg.de> ---
(In reply to Florian Weimer from comment #1)
> Out of curiosity, is there a reason why you cannot use libaio instead of the
> glibc aio interface?  Thanks.

Two reasons:
1) It (lio_listio()) is POSIX, so it may run on several machines.
2) I didn't know that there are two implementations ;-)

BTW: In the meantime I reimpemented my own mechanism that used a pool of max n
requests that is refilled by the application as soon as there is some slot
available, and n threads are doing the IOs vie pread(). That is very close to
what I wanted.

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