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-rw-r--r--lib/kernel/src/hipe_unified_loader.erl32
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/kernel/src/hipe_unified_loader.erl b/lib/kernel/src/hipe_unified_loader.erl
index 7e26d57ced..42eab67478 100644
--- a/lib/kernel/src/hipe_unified_loader.erl
+++ b/lib/kernel/src/hipe_unified_loader.erl
@@ -96,6 +96,14 @@ load_hipe_modules() ->
%% code:load_file/1) and the atom `no_native' on failure.
load_native_code(Mod, Bin) when is_atom(Mod), is_binary(Bin) ->
+ erlang:system_flag(multi_scheduling, block),
+ try
+ load_native_code_nosmp(Mod, Bin)
+ after
+ erlang:system_flag(multi_scheduling, unblock)
+ end.
+
+load_native_code_nosmp(Mod, Bin) ->
Architecture = erlang:system_info(hipe_architecture),
try chunk_name(Architecture) of
ChunkTag ->
@@ -120,6 +128,14 @@ load_native_code(Mod, Bin) when is_atom(Mod), is_binary(Bin) ->
-spec post_beam_load(atom()) -> 'ok'.
post_beam_load(Mod) when is_atom(Mod) ->
+ erlang:system_flag(multi_scheduling, block),
+ try
+ post_beam_load_nosmp(Mod)
+ after
+ erlang:system_flag(multi_scheduling, unblock)
+ end.
+
+post_beam_load_nosmp(Mod) ->
Architecture = erlang:system_info(hipe_architecture),
try chunk_name(Architecture) of _ChunkTag -> patch_to_emu(Mod)
catch _:_ -> ok
@@ -141,6 +157,14 @@ version_check(Version, Mod) when is_atom(Mod) ->
-spec load_module(Mod, binary(), _) -> 'bad_crc' | {'module',Mod}
when is_subtype(Mod,atom()).
load_module(Mod, Bin, Beam) ->
+ erlang:system_flag(multi_scheduling, block),
+ try
+ load_module_nosmp(Mod, Bin, Beam)
+ after
+ erlang:system_flag(multi_scheduling, unblock)
+ end.
+
+load_module_nosmp(Mod, Bin, Beam) ->
load_module(Mod, Bin, Beam, []).
load_module(Mod, Bin, Beam, OldReferencesToPatch) ->
@@ -154,6 +178,14 @@ load_module(Mod, Bin, Beam, OldReferencesToPatch) ->
-spec load(Mod, binary()) -> 'bad_crc' | {'module',Mod}
when is_subtype(Mod,atom()).
load(Mod, Bin) ->
+ erlang:system_flag(multi_scheduling, block),
+ try
+ load_nosmp(Mod, Bin)
+ after
+ erlang:system_flag(multi_scheduling, unblock)
+ end.
+
+load_nosmp(Mod, Bin) ->
?debug_msg("********* Loading funs in module ~w *********\n",[Mod]),
%% Loading just some functions in a module; patch closures separately.
put(hipe_patch_closures, true),