Bill Auerbach wrote:
Maybe this is legacy now. If tcp_write cannot send data, it will be called
by the stack when data can be sent.
Or empirically, I don't use tcp_poll (it gave me problems) and I don't have
memory to send 500k at once. tcp_sent is simply called until I am able to
send all of my data.
That's true if you only have one connection. However, if you have more
than one, chances are that all the memory is occupied by another
connection thus tcp_sent wouldn't get called for the first connection.
Simon
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