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[lwip-devel] [bug #52190] Allow LWIP_SOCKET_OFFSET with an external FD_S
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From: |
Douglas |
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Subject: |
[lwip-devel] [bug #52190] Allow LWIP_SOCKET_OFFSET with an external FD_SET |
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Date: |
Fri, 13 Oct 2017 06:46:39 -0400 (EDT) |
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User-agent: |
Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:56.0) Gecko/20100101 Firefox/56.0 |
Follow-up Comment #2, bug #52190 (project lwip):
Thank you, yes I would like to just get it working, with lwip using a subset
of the FD_SET range.
The only issue that I can spot relates to the semantics of the end of the set.
See lwip_select() tests the maxfdp1 against the (FD_SETSIZE +
LWIP_SOCKET_OFFSET).
It would appear that if this were changed when not using the lwip FD_SET to
compare to simply the FD_SETSIZE then it would work. Lwip would then use a sub
range of the FD_SET from LWIP_SOCKET_OFFSET to (LWIP_SOCKET_OFFSET +
NUM_SOCKETS - 1), rather than from zero to the (NUM_SOCKETS - 1).
A revised patch has been attached to consider.
(file #42137)
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Additional Item Attachment:
File name: 0001-Allow-LWIP_SOCKET_OFFSET-with-an-external-FD_SET.patch Size:1
KB
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