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authorPatrik Nyblom <pan@erlang.org>2010-12-03 15:53:40 +0100
committerPatrik Nyblom <pan@erlang.org>2010-12-03 15:53:40 +0100
commit5a339a8af02acc882e5ba2dbc5674acc085bdd70 (patch)
tree3abe0a587ee170a3caccf6a76e720047c208b362 /lib/kernel/src
parent73b53fe24ebc595a81c4ee023bcfef5a71e59db4 (diff)
parent29c23e32a9154ef2feb6a6424647e749ce9acab1 (diff)
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Merge branch 'ks/erl_bif_types-cleanup/OTP-8961' into dev
* ks/erl_bif_types-cleanup/OTP-8961: Fix type information of 'file' and 'code' modules Conflicts: lib/hipe/cerl/erl_bif_types.erl
Diffstat (limited to 'lib/kernel/src')
-rw-r--r--lib/kernel/src/code.erl10
-rw-r--r--lib/kernel/src/file.erl21
2 files changed, 16 insertions, 15 deletions
diff --git a/lib/kernel/src/code.erl b/lib/kernel/src/code.erl
index d37b74bc03..feb5131aad 100644
--- a/lib/kernel/src/code.erl
+++ b/lib/kernel/src/code.erl
@@ -213,19 +213,20 @@ unstick_mod(Mod) when is_atom(Mod) -> call({unstick_mod,Mod}).
-spec is_sticky(Module :: atom()) -> boolean().
is_sticky(Mod) when is_atom(Mod) -> call({is_sticky,Mod}).
--spec set_path(Directories :: [file:filename()]) -> 'true' | {'error', term()}.
+-spec set_path(Directories :: [file:filename()]) ->
+ 'true' | {'error', 'bad_directory' | 'bad_path'}.
set_path(PathList) when is_list(PathList) -> call({set_path,PathList}).
-spec get_path() -> [file:filename()].
get_path() -> call(get_path).
--spec add_path(Directory :: file:filename()) -> 'true' | {'error', term()}.
+-spec add_path(Directory :: file:filename()) -> 'true' | {'error', 'bad_directory'}.
add_path(Dir) when is_list(Dir) -> call({add_path,last,Dir}).
--spec add_pathz(Directory :: file:filename()) -> 'true' | {'error', term()}.
+-spec add_pathz(Directory :: file:filename()) -> 'true' | {'error', 'bad_directory'}.
add_pathz(Dir) when is_list(Dir) -> call({add_path,last,Dir}).
--spec add_patha(Directory :: file:filename()) -> 'true' | {'error', term()}.
+-spec add_patha(Directory :: file:filename()) -> 'true' | {'error', 'bad_directory'}.
add_patha(Dir) when is_list(Dir) -> call({add_path,first,Dir}).
-spec add_paths(Directories :: [file:filename()]) -> 'ok'.
@@ -237,7 +238,6 @@ add_pathsz(Dirs) when is_list(Dirs) -> call({add_paths,last,Dirs}).
-spec add_pathsa(Directories :: [file:filename()]) -> 'ok'.
add_pathsa(Dirs) when is_list(Dirs) -> call({add_paths,first,Dirs}).
-%% XXX Contract's input argument differs from add_path/1 -- why?
-spec del_path(Name :: file:filename() | atom()) -> boolean() | {'error', 'bad_name'}.
del_path(Name) when is_list(Name) ; is_atom(Name) -> call({del_path,Name}).
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl
index 08825c1c57..bc95359986 100644
--- a/lib/kernel/src/file.erl
+++ b/lib/kernel/src/file.erl
@@ -183,7 +183,7 @@ make_dir(Name) ->
del_dir(Name) ->
check_and_call(del_dir, [file_name(Name)]).
--spec read_file_info(Name :: name()) -> {'ok', #file_info{}} | {'error', posix()}.
+-spec read_file_info(Name :: name()) -> {'ok', file_info()} | {'error', posix()}.
read_file_info(Name) ->
check_and_call(read_file_info, [file_name(Name)]).
@@ -193,7 +193,7 @@ read_file_info(Name) ->
altname(Name) ->
check_and_call(altname, [file_name(Name)]).
--spec read_link_info(Name :: name()) -> {'ok', #file_info{}} | {'error', posix()}.
+-spec read_link_info(Name :: name()) -> {'ok', file_info()} | {'error', posix()}.
read_link_info(Name) ->
check_and_call(read_link_info, [file_name(Name)]).
@@ -203,7 +203,7 @@ read_link_info(Name) ->
read_link(Name) ->
check_and_call(read_link, [file_name(Name)]).
--spec write_file_info(Name :: name(), Info :: #file_info{}) ->
+-spec write_file_info(Name :: name(), Info :: file_info()) ->
'ok' | {'error', posix()}.
write_file_info(Name, Info = #file_info{}) ->
@@ -214,7 +214,8 @@ write_file_info(Name, Info = #file_info{}) ->
list_dir(Name) ->
check_and_call(list_dir, [file_name(Name)]).
--spec read_file(Name :: name()) -> {'ok', binary()} | {'error', posix()}.
+-spec read_file(Name :: name()) ->
+ {'ok', binary()} | {'error', posix() | 'terminated' | 'system_limit'}.
read_file(Name) ->
check_and_call(read_file, [file_name(Name)]).
@@ -229,15 +230,15 @@ make_link(Old, New) ->
make_symlink(Old, New) ->
check_and_call(make_symlink, [file_name(Old), file_name(New)]).
--spec write_file(Name :: name(), Bin :: binary()) -> 'ok' | {'error', posix()}.
+-spec write_file(Name :: name(), Bin :: iodata()) ->
+ 'ok' | {'error', posix() | 'terminated' | 'system_limit'}.
write_file(Name, Bin) ->
check_and_call(write_file, [file_name(Name), make_binary(Bin)]).
%% This whole operation should be moved to the file_server and prim_file
%% when it is time to change file server protocol again.
-%% Meanwhile, it is implemented here, slihtly less efficient.
-%%
+%% Meanwhile, it is implemented here, slightly less efficient.
-spec write_file(Name :: name(), Bin :: binary(), Modes :: [mode()]) ->
'ok' | {'error', posix()}.
@@ -348,7 +349,7 @@ open(Item, Mode) ->
%%% The File argument must be either a Pid or a handle
%%% returned from ?PRIM_FILE:open.
--spec close(File :: io_device()) -> 'ok' | {'error', posix()}.
+-spec close(File :: io_device()) -> 'ok' | {'error', posix() | 'terminated'}.
close(File) when is_pid(File) ->
R = file_request(File, close),
@@ -367,7 +368,7 @@ close(_) ->
{error, badarg}.
-spec advise(File :: io_device(), Offset :: integer(),
- Length :: integer(), Advise :: posix_file_advise()) ->
+ Length :: integer(), Advise :: posix_file_advise()) ->
'ok' | {'error', posix()}.
advise(File, Offset, Length, Advise) when is_pid(File) ->
@@ -449,7 +450,7 @@ pread(_, _, _) ->
{error, badarg}.
-spec write(File :: io_device() | atom(), Byte :: iodata()) ->
- 'ok' | {'error', posix()}.
+ 'ok' | {'error', posix() | 'terminated'}.
write(File, Bytes) when (is_pid(File) orelse is_atom(File)) ->
case make_binary(Bytes) of