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-rw-r--r--lib/kernel/src/file.erl6
-rw-r--r--lib/kernel/src/file_io_server.erl3
2 files changed, 8 insertions, 1 deletions
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl
index 101a830ad3..33252d0a6f 100644
--- a/lib/kernel/src/file.erl
+++ b/lib/kernel/src/file.erl
@@ -1434,7 +1434,11 @@ mode_list(_) ->
%% Functions for communicating with the file server
call(Command, Args) when is_list(Args) ->
- gen_server:call(?FILE_SERVER, list_to_tuple([Command | Args]), infinity).
+ X = erlang:dt_spread_tag(true),
+ Y = gen_server:call(?FILE_SERVER, list_to_tuple([Command | Args]),
+ infinity),
+ erlang:dt_restore_tag(X),
+ Y.
check_and_call(Command, Args) when is_list(Args) ->
case check_args(Args) of
diff --git a/lib/kernel/src/file_io_server.erl b/lib/kernel/src/file_io_server.erl
index 14da9c1a55..7311ad9fee 100644
--- a/lib/kernel/src/file_io_server.erl
+++ b/lib/kernel/src/file_io_server.erl
@@ -57,9 +57,11 @@ start_link(Owner, FileName, ModeList)
do_start(Spawn, Owner, FileName, ModeList) ->
Self = self(),
Ref = make_ref(),
+ Utag = erlang:dt_spread_tag(true),
Pid =
erlang:Spawn(
fun() ->
+ erlang:dt_restore_tag(Utag),
%% process_flag(trap_exit, true),
case parse_options(ModeList) of
{ReadMode, UnicodeMode, Opts} ->
@@ -84,6 +86,7 @@ do_start(Spawn, Owner, FileName, ModeList) ->
exit(Reason1)
end
end),
+ erlang:dt_restore_tag(Utag),
Mref = erlang:monitor(process, Pid),
receive
{Ref, {error, _Reason} = Error} ->