3 files changed, 32 insertions, 10 deletions

diff --git a/lib/sasl/doc/src/appup.xml b/lib/sasl/doc/src/appup.xml
index 5182889710..48d7b69885 100644
--- a/lib/sasl/doc/src/appup.xml
+++ b/lib/sasl/doc/src/appup.xml
@@ -174,11 +174,19 @@
       <c>remove</c> and <c>purge</c>.</p>
     <pre>
 {add_application, Application}
+{add_application, Application, Type}
   Application = atom()
+  Type = permanent | transient | temporary | load | none
     </pre>
     <p>Adding an application means that the modules defined by
       the <c>modules</c> key in the <c>.app</c> file are loaded using
-      <c>add_module</c>, then the application is started.</p>
+      <c>add_module</c>.</p>
+    <p><c>Type</c> defaults to <c>permanent</c> and specifies the start type
+      of the application. If <c>Type = permanent | transient | temporary</c>,
+      the application will be loaded and started in the corresponding way,
+      see <c>application(3)</c>. If <c>Type = load</c>, the application will
+      only be loaded. If <c>Type = none</c>, the application will be neither
+      loaded nor started, although the code for its modules will be loaded.</p>
     <pre>
 {remove_application, Application}
   Application = atom()
diff --git a/lib/sasl/src/systools_rc.erl b/lib/sasl/src/systools_rc.erl
index 23d1a52b66..daadb79967 100644
--- a/lib/sasl/src/systools_rc.erl
+++ b/lib/sasl/src/systools_rc.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %% 
-%% Copyright Ericsson AB 1996-2009. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2011. All Rights Reserved.
 %% 
 %% The contents of this file are subject to the Erlang Public License,
 %% Version 1.1, (the "License"); you may not use this file except in
@@ -34,7 +34,7 @@
 %% {add_module, Mod, [Mod]}
 %% {remove_module, Mod, PrePurge, PostPurge, [Mod]}
 %% {restart_application, Appl}
-%% {add_application, Appl}
+%% {add_application, Appl, Type}
 %% {remove_application, Appl}
 %%
 %% Low-level
@@ -109,6 +109,8 @@ expand_script([I|Script]) ->
 	     {delete_module, Mod} ->
 		 [{remove, {Mod, brutal_purge, brutal_purge}},
 		  {purge, [Mod]}];
+	     {add_application, Application} ->
+		 {add_application, Application, permanent};
 	     _ ->
 		 I
 	 end,
@@ -317,14 +319,18 @@ translate_independent_instrs(Before, After, Appls, PreAppls) ->
 translate_application_instrs(Script, Appls, PreAppls) ->
     %% io:format("Appls ~n~p~n",[Appls]),
     L = lists:map(
-	  fun({add_application, Appl}) ->
+	  fun({add_application, Appl, Type}) ->
 		  case lists:keysearch(Appl, #application.name, Appls) of
 		      {value, Application} ->
 			  Mods =
 			      remove_vsn(Application#application.modules),
+			  ApplyL = case Type of
+			      none -> [];
+			      load -> [{apply, {application, load, [Appl]}}];
+			      _ -> [{apply, {application, start, [Appl, Type]}}]
+			  end,
 			  [{add_module, M, []} || M <- Mods] ++
-			      [{apply, {application, start,
-					[Appl, permanent]}}];
+			      ApplyL;
 		      false ->
 			  throw({error, {no_such_application, Appl}})
 		  end;
@@ -750,8 +756,9 @@ check_op({remove_module, Mod, PrePurge, PostPurge, Mods}) ->
     lists:foreach(fun(M) -> check_mod(M) end, Mods);
 check_op({remove_application, Appl}) ->
     check_appl(Appl);
-check_op({add_application, Appl}) ->
-    check_appl(Appl);
+check_op({add_application, Appl, Type}) ->
+    check_appl(Appl),
+    check_start_type(Type);
 check_op({restart_application, Appl}) ->
     check_appl(Appl);
 check_op(restart) -> ok;
@@ -839,6 +846,13 @@ check_node(Node) -> throw({error, {bad_node, Node}}).
 check_appl(Appl) when is_atom(Appl) -> ok;
 check_appl(Appl) -> throw({error, {bad_application, Appl}}).
 
+check_start_type(none) -> ok;
+check_start_type(load) -> ok;
+check_start_type(temporary) -> ok;
+check_start_type(transient) -> ok;
+check_start_type(permanent) -> ok;
+check_start_type(T) -> throw({error, {bad_start_type, T}}).
+
 check_func(Func) when is_atom(Func) -> ok;
 check_func(Func) -> throw({error, {bad_func, Func}}).
 
diff --git a/lib/sasl/src/systools_relup.erl b/lib/sasl/src/systools_relup.erl
index 177d50be80..71bd3ca491 100644
--- a/lib/sasl/src/systools_relup.erl
+++ b/lib/sasl/src/systools_relup.erl
@@ -370,10 +370,10 @@ collect_appup_scripts(_, [], _, Ws, RUs) -> {RUs, Ws}.
 %% ToApps = [#application]
 %%
 create_add_app_scripts(FromRel, ToRel, RU0s, W0s) -> 
-    AddedNs = [N || {N, _V, _T} <- ToRel#release.applications,
+    AddedNs = [{N, T} || {N, _V, T} <- ToRel#release.applications,
 		    not lists:keymember(N, 1, FromRel#release.applications)],
     %% io:format("Added apps: ~p~n", [AddedNs]),
-    RUs = [[{add_application, N}] || N <- AddedNs],
+    RUs = [[{add_application, N, T}] || {N, T} <- AddedNs],
     {RUs ++ RU0s, W0s}.