diff options
Diffstat (limited to 'lib/kernel/src/heart.erl')
| -rw-r--r-- | lib/kernel/src/heart.erl | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/lib/kernel/src/heart.erl b/lib/kernel/src/heart.erl index aa65c3a474..daed6dd488 100644 --- a/lib/kernel/src/heart.erl +++ b/lib/kernel/src/heart.erl @@ -184,14 +184,18 @@ wait_ack(Port) -> loop(Parent, Port, Cmd) -> _ = send_heart_beat(Port), receive - {From, set_cmd, NewCmd} when length(NewCmd) < 2047 -> - _ = send_heart_cmd(Port, NewCmd), - _ = wait_ack(Port), - From ! {heart, ok}, - loop(Parent, Port, NewCmd); - {From, set_cmd, NewCmd} -> - From ! {heart, {error, {bad_cmd, NewCmd}}}, - loop(Parent, Port, Cmd); + {From, set_cmd, NewCmd0} -> + Enc = file:native_name_encoding(), + case catch unicode:characters_to_binary(NewCmd0,Enc,Enc) of + NewCmd when is_binary(NewCmd), byte_size(NewCmd) < 2047 -> + _ = send_heart_cmd(Port, NewCmd), + _ = wait_ack(Port), + From ! {heart, ok}, + loop(Parent, Port, NewCmd); + _ -> + From ! {heart, {error, {bad_cmd, NewCmd0}}}, + loop(Parent, Port, Cmd) + end; {From, clear_cmd} -> From ! {heart, ok}, _ = send_heart_cmd(Port, ""), |