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[lwip-devel] [bug #52554] LWIP_NETCONN_FULLDUPLEX: closing fails to end


From: Simon Goldschmidt
Subject: [lwip-devel] [bug #52554] LWIP_NETCONN_FULLDUPLEX: closing fails to end 'recv' calls correctly
Date: Wed, 29 Nov 2017 16:34:22 -0500 (EST)
User-agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36

URL:
  <http://savannah.nongnu.org/bugs/?52554>

                 Summary: LWIP_NETCONN_FULLDUPLEX: closing fails to end 'recv'
calls correctly
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: goldsimon
            Submitted on: Wed 29 Nov 2017 09:34:21 PM UTC
                Category: None
                Severity: 3 - Normal
              Item Group: Faulty Behaviour
                  Status: None
                 Privacy: Public
             Assigned to: goldsimon
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: 2.1.0
            lwIP version: git head

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Details:

- lwip_close() deallocates the netconn without checking fd_used
- both netconn_close_shutdown(RD) and netconn_delete() (called from
lwip_close()) drain and deallocat the recvmbox, so recv threads may or may not
get woken




    _______________________________________________________

Reply to this item at:

  <http://savannah.nongnu.org/bugs/?52554>

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