Re: [Kiobuf-io-devel] RFC: Kernel mechanism: Compound event wait

From: Stephen C. Tweedie (
Date: Thu Feb 08 2001 - 14:50:32 EST


On Thu, Feb 08, 2001 at 03:52:35PM +0100, Mikulas Patocka wrote:
> > How do you write high-performance ftp server without threads if select
> > on regular file always returns "ready"?
> No, it's not really possible on Linux. Use SYS$QIO call on VMS :-)

Ahh, but even VMS SYS$QIO is synchronous at doing opens, allocation of
the IO request packets, and mapping file location to disk blocks.
Only the data IO is ever async (and Ben's async IO stuff for Linux
provides that too).

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This archive was generated by hypermail 2b29 : Thu Feb 15 2001 - 21:00:12 EST