runtime_tools: Modernize specs

1 files changed, 11 insertions, 14 deletions

diff --git a/lib/runtime_tools/src/percept_profile.erl b/lib/runtime_tools/src/percept_profile.erl
index b333dee0cf..5d36b6bd0c 100644
--- a/lib/runtime_tools/src/percept_profile.erl
+++ b/lib/runtime_tools/src/percept_profile.erl
@@ -41,7 +41,7 @@
 
 %% @type percept_option() = procs | ports | exclusive
 
--type(percept_option() :: 'procs' | 'ports' | 'exclusive' | 'scheduler').
+-type percept_option() :: 'procs' | 'ports' | 'exclusive' | 'scheduler'.
 
 %%==========================================================================
 %%
@@ -52,8 +52,8 @@
 %% @spec start(Filename::string()) -> {ok, Port} | {already_started, Port}
 %% @equiv start(Filename, [procs])
 
--spec(start/1 :: (Filename :: string()) -> 
-	{'ok', port()} | {'already_started', port()}).
+-spec start(Filename :: file:filename()) ->
+	{'ok', port()} | {'already_started', port()}.
 
 start(Filename) ->
     profile_to_file(Filename, [procs]).
@@ -64,10 +64,9 @@ start(Filename) ->
 %%	All events are stored in the file given by Filename. 
 %%	An explicit call to stop/0 is needed to stop profiling. 
 
--spec(start/2 :: (
-	Filename :: string(),
-	Options :: [percept_option()]) ->
-	{'ok', port()} | {'already_started', port()}).
+-spec start(Filename :: file:filename(),
+	    Options :: [percept_option()]) ->
+	{'ok', port()} | {'already_started', port()}.
 
 start(Filename, Options) ->
     profile_to_file(Filename, Options). 
@@ -79,11 +78,10 @@ start(Filename, Options) ->
 %%	No explicit call to stop/0 is needed, the profiling stops when
 %%	the entry function returns.
 
--spec(start/3 :: (
-	Filename :: string(),
-	Entry :: {atom(), atom(), list()},
-	Options :: [percept_option()]) ->
-	'ok' | {'already_started', port()} | {'error', 'not_started'}).
+-spec start(Filename :: file:filename(),
+	    Entry :: {atom(), atom(), list()},
+	    Options :: [percept_option()]) ->
+	'ok' | {'already_started', port()} | {'error', 'not_started'}.
 
 start(Filename, {Module, Function, Args}, Options) ->
     case whereis(percept_port) of
@@ -107,11 +105,11 @@ deliver_all_trace() ->
     receive {Tracer, ok} -> ok end,
     erlang:trace(Tracee, false, [procs]),
     ok.
--spec(stop/0 :: () -> 'ok' | {'error', 'not_started'}).
 
 %% @spec stop() -> ok | {'error', 'not_started'}
 %% @doc Stops profiling.
     
+-spec stop() -> 'ok' | {'error', 'not_started'}.
 
 stop() ->
     erlang:system_profile(undefined, [runnable_ports, runnable_procs]),
@@ -192,5 +190,4 @@ parse_profile_options([Opt|Opts], {TOpts, POpts}) ->
 	    });
 	_ -> 
 	    parse_profile_options(Opts, {TOpts, POpts})
-
     end.