lwIP - A Lightweight TCP/IP stack - Bugs: bug #52554, LWIP_NETCONN_FULLDUPLEX: closing...
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bug #52554: LWIP_NETCONN_FULLDUPLEX: closing fails to end 'recv' calls correctly
Submitter: | Simon Goldschmidt <goldsimon> | ||
Submitted: | Wed 29 Nov 2017 09:34:21 PM UTC | ||
Category: | None | Severity: | 3 - Normal |
Item Group: | Faulty Behaviour | Status: | Fixed |
Privacy: | Public | Assigned to: | goldsimon |
Open/Closed: | Closed | Planned Release: | 2.1.0 |
lwIP version: | git head |
Wed 18 Apr 2018 08:06:59 PM UTC, comment #1: |
Simon Goldschmidt <goldsimon> |
Wed 29 Nov 2017 09:34:21 PM UTC, original submission:
- lwip_close() deallocates the netconn without checking fd_used
|
Simon Goldschmidt <goldsimon> |
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Depends on the following items: None found
Items that depend on this one: None found
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Follow 2 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2018-04-18 | goldsimon | Status | None | Fixed | |
Open/Closed | Open | Closed |
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Corresponding source code
Should be fixed:
- netconn is not freed from lwip_close() directly but freeing it is delayed until fd_used gets 0
- shutdown and close don't drain the mbox in fullduplex mode but post a message that wakes up waiting threads and tell them the netconn is about to be deleted. Draining is done when the netconn is actually deleted