In article <[EMAIL PROTECTED]>,
"Mark Dufour" <[EMAIL PROTECTED]> wrote:
>interestingly, leaving out the fcntl stuff makes it work much faster.
No surprises there...
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interestingly, leaving out the fcntl stuff makes it work much faster.
it seems to block only sometimes now, for just a moment, but on the
whole the performance is acceptable now.
On 6/29/06, Mark Dufour <[EMAIL PROTECTED]> wrote:
> hello all,
>
> I am trying to fire up a child process using os.pop
In article <[EMAIL PROTECTED]>,
"Mark Dufour" <[EMAIL PROTECTED]> wrote:
>any thoughts about why this runs extremely slowly?
Because both processes are chewing up most of your CPU each waiting for
the other to do something.
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hello all,
I am trying to fire up a child process using os.popen2, and have the
parent and child communicate in a non-blocking fashion. it works, but
somehow it's unbearably slow. the following simulates a blocking
readline:
import os, fcntl
fi, fo = os.popen2('./child')
fcntl.fcntl(fo.fileno(),
