diff options
| -rw-r--r-- | lib/kernel/src/user.erl | 3 | ||||
| -rw-r--r-- | lib/kernel/src/user_drv.erl | 37 |
2 files changed, 18 insertions, 22 deletions
diff --git a/lib/kernel/src/user.erl b/lib/kernel/src/user.erl index 0c9e1ea303..5a3487a9ba 100644 --- a/lib/kernel/src/user.erl +++ b/lib/kernel/src/user.erl @@ -296,7 +296,8 @@ io_requests([], Stat, _) -> %% port. put_port(List, Port) -> - send_port(Port, {command, List}). + true = port_command(Port, List), + ok. %% send_port(Port, Command) diff --git a/lib/kernel/src/user_drv.erl b/lib/kernel/src/user_drv.erl index 69ff8e7971..644aa752b6 100644 --- a/lib/kernel/src/user_drv.erl +++ b/lib/kernel/src/user_drv.erl @@ -543,19 +543,14 @@ set_unicode_state(Iport, Bool) -> %% io_request(Request, InPort, OutPort) %% io_requests(Requests, InPort, OutPort) %% Note: InPort is unused. - -io_request(Request, Iport, Oport) -> - try io_command(Request) of - {command,_} = Command -> - Oport ! {self(),Command}, - ok; - {Command,Reply} -> - Oport ! {self(),Command}, - Reply - catch - {requests,Rs} -> - io_requests(Rs, Iport, Oport); - _ -> +io_request({requests,Rs}, Iport, Oport) -> + io_requests(Rs, Iport, Oport); +io_request(Request, _Iport, Oport) -> + case io_command(Request) of + {Data, Reply} -> + true = port_command(Oport, Data), + Reply; + unhandled -> ok end. @@ -575,19 +570,19 @@ put_int16(N, Tail) -> %% to the console before the vm stops when calling erlang:halt(integer()). -dialyzer({no_improper_lists, io_command/1}). io_command({put_chars_sync, unicode,Cs,Reply}) -> - {{command,[?OP_PUTC_SYNC|unicode:characters_to_binary(Cs,utf8)]},Reply}; + {[?OP_PUTC_SYNC|unicode:characters_to_binary(Cs,utf8)], Reply}; io_command({put_chars, unicode,Cs}) -> - {command,[?OP_PUTC|unicode:characters_to_binary(Cs,utf8)]}; + {[?OP_PUTC|unicode:characters_to_binary(Cs,utf8)], ok}; io_command({move_rel,N}) -> - {command,[?OP_MOVE|put_int16(N, [])]}; + {[?OP_MOVE|put_int16(N, [])], ok}; io_command({insert_chars,unicode,Cs}) -> - {command,[?OP_INSC|unicode:characters_to_binary(Cs,utf8)]}; + {[?OP_INSC|unicode:characters_to_binary(Cs,utf8)], ok}; io_command({delete_chars,N}) -> - {command,[?OP_DELC|put_int16(N, [])]}; + {[?OP_DELC|put_int16(N, [])], ok}; io_command(beep) -> - {command,[?OP_BEEP]}; -io_command(Else) -> - throw(Else). + {[?OP_BEEP], ok}; +io_command(_) -> + unhandled. %% gr_new() %% gr_get_num(Group, Index) |