From: "Martin v. Loewis" <martin@v.loewis.de>
"Thomas Heller" <thomas.heller@ion-tof.com> writes:
Are you *sure* about that? [...}
The select function returns the total number of socket handles that are ready and contained in the fd_set structures, zero if the time limit expired, or SOCKET_ERROR if an error occurred. If the return value is SOCKET_ERROR, WSAGetLastError can be used to retrieve a specific error code.
This is a strong indication, but not enough for certainty. It does not mention errno at all.
Yes. Here's an experiment (unpatched python): Python 2.2.1 (#34, Apr 9 2002, 19:34:33) [MSC 32 bit (Intel)] on win32 Type "help", "copyright", "credits" or "license" for more information.
import select select.select([], [], [], 10) Traceback (most recent call last): File "<stdin>", line 1, in ? select.error: (0, 'Error')
Patched python: Python 2.3a0 (#29, Sep 19 2002, 12:38:34) [MSC 32 bit (Intel)] on win32 Type "help", "copyright", "credits" or "license" for more information.
import select select.select([], [], [], 10) Traceback (most recent call last): File "<stdin>", line 1, in ? select.error: (10093, 'Either the application has not called WSAStartup, or WSAStartup failed') import socket select.select([], [], [], 10) Traceback (most recent call last): File "<stdin>", line 1, in ? select.error: (10022, 'An invalid argument was supplied')
Thomas