Comments.

src/net/proxy.cpp

@@ -172,6 +172,9 @@ void proxy::read_heading() NOEXCEPT
     BC_ASSERT_MSG(stranded(), "strand");
 
     // Both terminate read loop, paused can be resumed, stopped cannot.
+    // Pause only prevents start of the read loop, it does not prevent messages
+    // from being issued for sockets already past that point (e.g. waiting).
+    // This is mainly for startup coordination, preventing missed messages.
     if (stopped() || paused())
         return;