A select question

[Robert Roy]

On Tue, 15 May 2001 00:09:37 GMT, victor at prodigy.net (Victor Muslin)
wrote:

You might want to look at the home page for medusa. The home page for
it has several links to discussions on select and file descriptors.

http://www.nightmare.com/medusa/index.html

Bob

>Some more info.
>
>After some experimentation it appears that the number of socket
>objects allowed in select is around 64. This seems to correspond to
>FD_SETSIZE pre-processor constant defined in winsock2.h.
>
>However, in C or C++ it is possible to redefine FD_SETSIZE before
>including winsock2.h. Is it possible to do something similar in Python
>to wait for data on more than 64 sockets at a time? If not, how does
>one write a server in Python that can have more than 64 concurrent
>connections?
>
>TIA.
>
>On Mon, 14 May 2001 22:27:31 GMT, victor at prodigy.net (Victor Muslin)
>wrote:
>
>>On Windows platform, what is the maximum number of file descriptors
>>allowed in fd_set in select? Is there a way to find it out in Python?
>>I seem to get an exception on select:
>>
>>	ValueError: too many file descriptors in select()
>>
>>when the number is less than 100. I thougth that the number of
>>concurrent connections supported should be on the order of several K.
>>
>>Thanks.
>