diff options
| -rw-r--r-- | lib/kernel/src/erts_debug.erl | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/lib/kernel/src/erts_debug.erl b/lib/kernel/src/erts_debug.erl index 480db6814e..2887014c1c 100644 --- a/lib/kernel/src/erts_debug.erl +++ b/lib/kernel/src/erts_debug.erl @@ -378,16 +378,11 @@ df(Mod, Func, Arity) when is_atom(Mod), is_atom(Func) -> catch _:_ -> {undef,Mod} end. -dff(File, Fs) when is_pid(File), is_list(Fs) -> - lists:foreach(fun(Mfa) -> - disassemble_function(File, Mfa), - io:nl(File) - end, Fs); -dff(Name, Fs) when is_list(Name) -> - case file:open(Name, [write]) of +dff(Name, Fs) -> + case file:open(Name, [write,raw,delayed_write]) of {ok,F} -> try - dff(F, Fs) + dff_1(F, Fs) after _ = file:close(F) end; @@ -395,12 +390,18 @@ dff(Name, Fs) when is_list(Name) -> {error,{badopen,Reason}} end. +dff_1(File, Fs) -> + lists:foreach(fun(Mfa) -> + disassemble_function(File, Mfa), + file:write(File, "\n") + end, Fs). + disassemble_function(File, {_,_,_}=MFA) -> cont_dis(File, erts_debug:disassemble(MFA), MFA). cont_dis(_, false, _) -> ok; cont_dis(File, {Addr,Str,MFA}, MFA) -> - io:put_chars(File, binary_to_list(Str)), + ok = file:write(File, Str), cont_dis(File, erts_debug:disassemble(Addr), MFA); cont_dis(_, {_,_,_}, _) -> ok. |