[tor-bugs] #22798 [Core Tor/Tor]: Windows relay is several times slower than Linux relay

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#22798: Windows relay is several times slower than Linux relay
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 Reporter:  Vort                           |          Owner:
     Type:  defect                         |         Status:  needs_review
 Priority:  Medium                         |      Milestone:  Tor:
                                           |  unspecified
Component:  Core Tor/Tor                   |        Version:  Tor: 0.2.9.11
 Severity:  Normal                         |     Resolution:
 Keywords:  tor-relay performance windows  |  Actual Points:
Parent ID:                                 |         Points:  5
 Reviewer:                                 |        Sponsor:
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Changes (by Vort):

 * status:  new => needs_review


Comment:

 I think this patch is ready for review.
 Questions:
 1. Is it is ok to compare `result >= 0` or it should be `result > 0`?
 2. Maybe non-encrypted connection requires `update_send_buffer_size` call
 too?
 3. What is the good description for the function? `Fix slow upload for
 Windows Vista and Windows 7 (bug #22798)` would be enough?
 4. Is this code compatible enough with C compilers?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22798#comment:123>
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