For UNIX domain sockets on linux, connect() may yield EAGAIN to indic…

…ate an in-progress operation.
xyanrch · Apr 5, 2022 · 03334bb · 03334bb
1 parent d96c300
commit 03334bb
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/include/boost/asio/detail/impl/socket_ops.ipp b/include/boost/asio/detail/impl/socket_ops.ipp
@@ -482,7 +482,12 @@ int connect(socket_type s, const socket_addr_type* addr,
   get_last_error(ec, result != 0);
 #if defined(__linux__)
   if (result != 0 && ec == boost::asio::error::try_again)
-    ec = boost::asio::error::no_buffer_space;
+  {
+    if (addr->sa_family == AF_UNIX)
+      ec = boost::asio::error::in_progress;
+    else
+      ec = boost::asio::error::no_buffer_space;
+  }
 #endif // defined(__linux__)
   return result;
 }