Fixed error code loss caused by async_immediate

Author: anarthal

include/boost/http_io/impl/read.hpp

@@ -142,7 +142,7 @@ class read_body_op
                         __FILE__, __LINE__,
                         "immediate"));
                     asio::async_immediate(
-                        self.get_io_executor(), std::move(self));
+                        self.get_io_executor(), asio::append(std::move(self), ec));
                 }
                 goto upcall;
             }

include/boost/http_io/impl/write.hpp

@@ -43,20 +43,12 @@ class write_some_op
     {
     }
 
-    template<class Self>
-    void
-    operator()(Self& self)
-    {
-        (*this)(self, {}, 0, true);
-    }
-
     template<class Self>
     void
     operator()(
         Self& self,
         system::error_code ec = {},
-        std::size_t bytes_transferred = {},
-        bool do_post = false)
+        std::size_t bytes_transferred = {})
     {
         system::result<buffers_type> rv;
 
@@ -66,15 +58,13 @@ class write_some_op
             if(! rv)
             {
                 ec = rv.error();
-                if(! do_post)
-                    goto upcall;
                 BOOST_ASIO_CORO_YIELD
                 {
                     BOOST_ASIO_HANDLER_LOCATION((
                         __FILE__, __LINE__,
                         "http_io::write_some_op"));
                     asio::async_immediate(
-                        self.get_io_executor(), std::move(self));
+                        self.get_io_executor(), asio::append(std::move(self), ec));
                 }
                 goto upcall;
             }