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This commit is contained in:
Gregory Nutt 2019-09-25 07:39:49 -06:00
parent f3ab9abe51
commit 8e079d73d9
1 changed files with 6 additions and 0 deletions
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6
net/inet/inet_close.c
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@ -132,6 +132,12 @@ static uint16_t tcp_close_eventhandler(FAR struct net_driver_s *dev,
* close completed. TCP_TIMEDOUT is not expected in this context.
* Non-standard return values are used to indicate these anomalous
* cases.
*
* NOTE: In the TCP_CLOSE case, the event is sent when the remote
* ACKs then outgoing FIN in the FIN_WAIT_1 state. That is the
* appropriate time for the application to close the socket. The
* underlying connection, however, will persist, waiting for the FIN
* to be returned by the remote in the TIME_WAIT state.
*/
if ((flags & NETDEV_DOWN) != 0)