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This commit implements a proper version of SO_LINGER. Not sufficiently tested on initial commit.

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Squashed commit of the following:

    net/: Fix some naming inconsistencies, Fix final compilation issies.

    net/inet/inet_close():  Now that we have logic to drain the buffered TX data, we can implement a proper lingering close.

    net/inet,tcp,udp:  Add functions to wait for write buffers to drain.

    net/udp:  Add support for notification when the UDP write buffer becomes empty.

    net/tcp:  Add support for notification when the TCP write buffer becomes empty.
This commit is contained in:
Gregory Nutt
2019-07-01 12:25:32 -06:00
parent ded1900927
commit de5a6163d5
19 changed files with 952 additions and 195 deletions
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include/nuttx/wqueue.h
+7 -5
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@@ -284,11 +284,13 @@ struct work_s
enum work_evtype_e
{
WORK_IOB_AVAIL = 1, /* Notify availability of an IOB */
WORK_NET_DOWN, /* Notify that the network is down */
WORK_TCP_READAHEAD, /* Notify that TCP read-ahead data is available */
WORK_TCP_DISCONNECT, /* Notify loss of TCP connection */
WORK_UDP_READAHEAD /* Notify that TCP read-ahead data is available */
WORK_IOB_AVAIL = 1, /* Notify availability of an IOB */
WORK_NET_DOWN, /* Notify that the network is down */
WORK_TCP_READAHEAD, /* Notify that TCP read-ahead data is available */
WORK_TCP_WRITEBUFFER, /* Notify that TCP write buffer is empty */
WORK_TCP_DISCONNECT, /* Notify loss of TCP connection */
WORK_UDP_READAHEAD, /* Notify that UDP read-ahead data is available */
WORK_UDP_WRITEBUFFER /* Notify that UDP write buffer is empty */
};
/* This structure describes one notification and is provided as input to