diff options
Diffstat (limited to 'lib/kernel')
| -rw-r--r-- | lib/kernel/src/code.erl | 10 | ||||
| -rw-r--r-- | lib/kernel/src/file.erl | 21 |
2 files changed, 16 insertions, 15 deletions
diff --git a/lib/kernel/src/code.erl b/lib/kernel/src/code.erl index ec256d5806..515ecd636f 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 97d914b043..a49f6583ad 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 |