Messages in this thread | | | Date | Thu, 18 Jan 2001 14:06:46 +0100 (CET) | From | Ingo Molnar <> | Subject | Re: [Fwd: [Fwd: Is sendfile all that sexy? (fwd)]] |
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On Wed, 17 Jan 2001, Rick Jones wrote:
> i'd heard interesting generalities but no specifics. for instance, > when the send is small, does TCP wait exclusively for the app to > flush, or is there an "if all else fails" sort of timer running?
yes there is a per-socket timer for this. According to RFC 1122 a TCP stack 'MUST NOT' buffer app-sent TCP data indefinitely if the PSH bit cannot be explicitly set by a SEND operation. Was this a trick question? :-)
Ingo
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