Network Security: Detailed info on RE: SECURITY.NNOV: Multiple applications fd

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RE: SECURITY.NNOV: Multiple applications fd_set structure bitmap array i

from [David LeBlanc] Network Security

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Subject:	RE: SECURITY.NNOV: Multiple applications fd_set structure bitmap array index overflow
Date:	Fri, 28 Jan 2005 19:33:39 -0800

 

-----Original Message-----
From: Damien Miller [mailto:djm@mindrot.org] said:

This effectively limits select to a maximum of FD_SETSIZE descriptors

on Windows. I don't think that this limitiation exists on other
platforms.

---------------------------

Note the bit where it says:

#ifndef FD_SETSIZE
#define FD_SETSIZE      64
#endif /* FD_SETSIZE */

So to make FD_SETSIZE any arbitrarily large value up to whatever your
system can handle, you just redefine FD_SETSIZE before you #include
winsock.h.

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