SF bug 110843: Low FD_SETSIZE limit on Win32 (PR#41). Boosted to 512.
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@ -27,6 +27,14 @@ Core language, builtins, and interpreter
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fit in an int. In 1.6 and earlier, a negative long formatted
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via %u raised an error if it was too big to fit in an int.
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Windows changes
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- select module: By default under Windows, a select() call
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can specify no more than 64 sockets. Python now boosts
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this Microsoft default to 512. If you need even more than
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that, see the MS docs (you'll need to #define FD_SETSIZE
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and recompile Python from source).
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What's New in Python 2.0?
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=========================
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@ -1,4 +1,3 @@
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/* select - Module containing unix select(2) call.
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Under Unix, the file descriptors are small integers.
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Under Win32, select only exists for sockets, and sockets may
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@ -9,6 +8,16 @@
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#include "Python.h"
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/* Windows #defines FD_SETSIZE to 64 if FD_SETSIZE isn't already defined.
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64 is too small (too many people have bumped into that limit).
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Here we boost it.
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Users who want even more than the boosted limit should #define
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FD_SETSIZE higher before this; e.g., via compiler /D switch.
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*/
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#if defined(MS_WINDOWS) && !defined(FD_SETSIZE)
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#define FD_SETSIZE 512
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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