problem with readonly pinfo?

Christopher Faylor cgf@redhat.com
Wed Sep 17 19:41:00 GMT 2003


On Wed, Sep 17, 2003 at 08:23:42PM +0200, Corinna Vinschen wrote:
>On Wed, Sep 17, 2003 at 02:10:27PM -0400, Christopher Faylor wrote:
>> On Wed, Sep 17, 2003 at 12:40:46PM -0400, Pierre A. Humblet wrote:
>> >I was thinking about one event in catchem (sigproc) and the same kind of
>> >processing as what is done today. Don't know how compatible that is with
>> >your new implementation.
>> 
>> That would be perfect for the old method.  I'm just blocking on a pipe now.
>> If MSFT actually implemented overlapped reads for pipes this wouldn't be
>> an issue.  I don't know why they limited things in this fashion.
>
>Weird enough, they implemented overlapped IO for named pipes.  Just for
>anonymous pipes (and therefore not on 9x/Me) it's not implemented.

Yeah.  Have you ever tested overlapped I/O on regular pipes on NT?  I think
I have but I don't remember the results.  I've suspected that anonymous pipes
are just named pipes under the hood.



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