Use spawn_monitor to await process completion

BugzID: 13133
cloudant · Jan 16, 2012 · effae95 · effae95
1 parent 121c71c
commit effae95
Showing 1 changed file with 3 additions and 6 deletions.
diff --git a/apps/couch/src/couch_doc.erl b/apps/couch/src/couch_doc.erl
@@ -484,13 +484,10 @@ atts_to_mp([Att | RestAtts], Boundary, WriteFun,
 
 
 doc_from_multi_part_stream(ContentType, DataFun) ->
-    Parent = self(),
-    Parser = spawn_link(fun() ->
+    {Parser, ParserRef} = spawn_monitor(fun() ->
         {<<"--">>, _, _} = couch_httpd:parse_multipart_request(
             ContentType, DataFun,
-            fun(Next) -> mp_parse_doc(Next, []) end),
-        unlink(Parent),
-        Parent ! {self(), finished}
+            fun(Next) -> mp_parse_doc(Next, []) end)
         end),
     Parser ! {get_doc_bytes, self()},
     receive
@@ -505,7 +502,7 @@ doc_from_multi_part_stream(ContentType, DataFun) ->
                 A
             end, Doc#doc.atts),
         WaitFun = fun() ->
-            receive {Parser, finished} -> ok end,
+            receive {'DOWN', ParserRef, _, _, _} -> ok end,
             erlang:put(mochiweb_request_recv, true)
         end,
         {ok, Doc#doc{atts=Atts2}, WaitFun, Parser}