[Python-Dev] [Fwd: [issue6397] Implementing Solaris "poll" in the "select" module]

[Jesus Cea]

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Alexandre Vassalotti wrote:
> On Wed, Jul 1, 2009 at 10:05 PM, Guido van Rossum<guido at python.org> wrote:
>> The select module already supports the poll() system call. Or is there
>> a special variant that only Solaris has?
>>
> 
> I think Jesus refers to /dev/poll—i.e., the interface for
> edge-triggered polling on Solaris. This is the Solaris equivalent of
> FreeBSD's kqueue and Linux's epoll.

Yes. In python 2.6, Linux and *BSD benefice of access to high performing
"poll"-like interfaces, non portable. Solaris has "/dev/poll" too, so we
can provide another non-portable interface :). In fact I think it could
be interesting to investigate the direct use of "/dev/poll" in Solaris
under "select.poll" implementation, if available, in a transparent way.
With this could be possible to improve efficiency without adding another
non-portable interface.

But before investigating options, I want to know if there is interest on
it. I think so, because Solaris/OpenSolaris is an important platform, I
will take care of the code, and we already have non-portable interfaces:
"select.epoll" for Linux and "select.kqueue" for *BSD.

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