Messages in this thread | | | Date | Wed, 26 Jun 2002 17:56:50 -0700 | From | William Lee Irwin III <> | Subject | Re: O_ASYNC question |
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On Wed, Jun 26, 2002 at 04:37:55PM -0500, Amos Waterland wrote: > The reason that I was interested is that this behavior, if implemented > for all fd types, would be useful for a scalable user-space > implementation of POSIX aio.
Linux implements SIGIO for tty's and sockets only.
On Wed, Jun 26, 2002 at 04:37:55PM -0500, Amos Waterland wrote: > When you say that it is 'not done for files', does that mean that it is > not done by design, and no plans exist to implement it for files > (perhaps because completion notification is fundamentally different than > readiness notification?), or that the work just has yet to be done? > Thanks.
It is not done by design. Future plans for async I/O implementations do not appear to involve the SIGIO mechanism.
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