Posix AIO working?

Posix AIO working?

Post by Artem Truno » Sat, 22 Apr 2000 04:00:00

Hi all.

I am trying to use Posix Async IO (#include <aio.h>, librt ) on Linux,
but when I/O request is issued (aio_write), I get garbage on the screen
and program hangs.  I am wondering in anyone ever got it working? The
same app works just fine on Solaris.

System: RH 6.2. distrib, 2.3.99-pre6 kernel.

Also, in general - what is better approach for high performance disk

1) One  thread, async signal driven I/O into many buffers, second thread
handles signals (works now ),
2) N threads, sync I/O,
3) mmap a whole file, N threads access different parts of the file
4) N threads do  mmap on different parts of the file
5) other suggestions.

Thanks a lot,


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I am developing a character device driver on Tru64 Unix. I plan to
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Who knows about it?
Thanks in advance.

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