[tor-bugs] #3428 [Tor Client]: Control port may emit log messages in the middle of another event/reply

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#3428: Control port may emit log messages in the middle of another event/reply
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 Reporter:  rransom     |          Owner:  rransom         
     Type:  defect      |         Status:  needs_review    
 Priority:  normal      |      Milestone:  Tor: unspecified
Component:  Tor Client  |        Version:                  
 Keywords:              |         Parent:                  
   Points:              |   Actualpoints:                  
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Comment(by nickm):

 For 3428b, I feel okay merging it into 0.2.3, but adding a new assert() to
 0.2.2 would make me nervous.  Does that sound plausible to you, rransom?
 For less fatal cases than this one, I'd prefer a situation where we add
 LOG_NOCB to the message rather than simply not emitting it.

 For queue stuff in bug3428, I kinda like the sys/queue.h stuff that the
 BSDs have.  Is there a reason not to snarf that?

 Actually, perhaps instead of a generic queue like this, we could just add
 an "move the contents of buf_t X onto the end of buf_t Y" interface to
 match the behavior of evbuffer_add_buffer().  Then we wouldn't need to
 have a separate queue: we could use a generic_buffer_t ''as'' the queue.
 Thoughts?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/3428#comment:2>
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