Make Mac-port non-blocking.

runtime/bin/socket_macos.cc

Index: runtime/bin/socket_macos.cc
diff --git a/runtime/bin/socket_macos.cc b/runtime/bin/socket_macos.cc
index 708cd3cdea9bd926079f611df3870980e8563d57..b6b0e50432db99ef75989d17fcff17fba6f2ce79 100644
--- a/runtime/bin/socket_macos.cc
+++ b/runtime/bin/socket_macos.cc
@@ -99,6 +99,8 @@ intptr_t Socket::CreateBindConnect(const RawAddr& addr,
     return -1;
   }
 
+  FDUtils::SetNonBlocking(fd);

[Søren Gjesse, 2016/08/04 06:35:49]

I think moving it to Create would be better - then it is only needed once. This
is what is done in the Linux version, where the OS create support a flag for
making the socket non-blocking.

[floitsch, 2016/08/04 12:17:07]

Done.

+
   return Connect(fd, addr);
 }