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From Luke Kenneth Casson Leighton <l...@samba-tng.org>
Subject Re: [PATCH] Some named pipe hacking...
Date Thu, 05 Jul 2001 12:39:51 GMT
hiya,

didn't get a response back regarding the namedpipes / ntpipes
issues, still have some questions outstanding, perhaps someone
can help me understand?

i asked earlier about whether it is possible to do a select()
on a [unix] namedpipe: i have since discovered apr_poll()
so the question should be:

in the proposed [generic, unix-named-pipe-like, not the
nt-named-pipe-like one!] apr_namedpipe() api:

will it be possible to do an apr_poll(), fork or thread,
deal with the request or requests?

this is really important for the viability and useability
of any proposed apr_namedpipe() implementation.

as an aside, in case you're wondering, one of the reasons
i haven't posted Code for an apr_ntpipe() implementation
is because the infrastructure to support it / code it
easily doesn't exist.  namely, what i think will be needed
is probably likely to be close to the apr_IOL (took me
a while to work out that means input / output layer :)

where can more info about the IOL be found?  i have
a sneaky suspicion that any namedpipe implementation -
both the proposed apr_namedpipe() _and_ the proposed
apr_ntpipe() APIs will need to be 'plugged in' behind
an IOL, because otherwise, adding them in behind
the existing code will make a horrible mess of
exceptions etc. and will result in a botch-job-of-an-IOL
_anyway_ :) :)

all best,

luke

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