[Twisted-Python] Re: linux kernel 2.6.11-rc broke twisted process pipes
andrea at cpushare.com
Mon Feb 28 15:31:54 EST 2005
On Mon, Feb 28, 2005 at 01:14:52PM -0700, twisted-python-owner at twistedmatrix.com wrote:
> Twisted is doing this for the process writer doRead operation:
> def doRead(self):
> """The only way this pipe can become readable is at EOF, because the
> child has closed it.
> fd = self.fd
> r, w, x = select.select([fd], [fd], , 0)
> if r and w:
> return CONNECTION_LOST
One more separate issue unrelated to the poll sematics: why is the above
using select? I'm using the process protocol on the server side too, and
I used ulimit -n 40000 on the server side. The above will break badly if
I'll ever reach > 1024 connection simultaneously.
Overall I hope the above code never has to trigger, why isn't it using
the pollreactor anyway? Is it dead code or what?
More information about the Twisted-Python