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Task #10088: Correctly implement close() vs. shutdown(). Now the application does not get any more recv callbacks after calling tcp_close(). Added tcp_shutdown().

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goldsimon
2010-02-20 18:05:56 +00:00
parent eae9798276
commit d9157a71bb
5 changed files with 112 additions and 22 deletions
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@@ -1,7 +1,7 @@
This file lists major changes between release versions that require
ports or applications to be changed. Use it to update a port or an
application written for an older version of lwIP to correctly work
on a newer version.
with newer versions.
(CVS HEAD)
@@ -12,7 +12,12 @@ on a newer version.
* Replaced struct ip_addr by typedef ip_addr_t.
* Raw API: when calling tcp_abort() from a raw API TCP callback function,
* Raw API: Changed the semantics of tcp_close() (since it was rather a
shutdown before): Now the application does *NOT* get any calls to the
recv callback after calling tcp_close() - this means that it also does
not get the NULL-pbuf which tells it the remote side has closed, too!
* Raw API: When calling tcp_abort() from a raw API TCP callback function,
make sure you return ERR_ABRT to prevent accessing unallocated memory.
(ERR_ABRT now means the applicaiton has called tcp_abort!)