[tor-bugs] #5129 [Tor Relay]: Avoid fcntl(O_NONBLOCK) calls on Linux

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#5129: Avoid fcntl(O_NONBLOCK) calls on Linux
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 Reporter:  nickm      |          Owner:                    
     Type:  defect     |         Status:  new               
 Priority:  minor      |      Milestone:  Tor: 0.2.4.x-final
Component:  Tor Relay  |        Version:                    
 Keywords:             |         Parent:                    
   Points:             |   Actualpoints:                    
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 We already use the SOCK_CLOEXEC  extesion to
 socket/accept4/open/socketpair on Linux so that we can create a socket/fd
 and make it close-on-exec in a single syscall.  In 0.2.4.x, we might want
 to do the same for opening a nonblocking socket.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/5129>
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