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-rw-r--r--lib/kernel/src/file.erl44
1 files changed, 40 insertions, 4 deletions
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl
index 7793009bb9..4028dd4f0b 100644
--- a/lib/kernel/src/file.erl
+++ b/lib/kernel/src/file.erl
@@ -28,9 +28,11 @@
%% File system and metadata.
-export([get_cwd/0, get_cwd/1, set_cwd/1, delete/1, rename/2,
make_dir/1, del_dir/1, list_dir/1,
- read_file_info/1, write_file_info/2,
+ read_file_info/1, read_file_info/2,
+ write_file_info/2, write_file_info/3,
altname/1,
- read_link_info/1, read_link/1,
+ read_link_info/1, read_link_info/2,
+ read_link/1,
make_link/2, make_symlink/2,
read_file/1, write_file/2, write_file/3]).
%% Specialized
@@ -107,6 +109,10 @@
-type posix_file_advise() :: 'normal' | 'sequential' | 'random'
| 'no_reuse' | 'will_need' | 'dont_need'.
-type sendfile_option() :: {chunk_size, non_neg_integer()}.
+-type file_info_option() :: {'time', 'local'} | {'time', 'universal'}
+ | {'time', 'posix'}.
+
+
%%%-----------------------------------------------------------------
%%% General functions
@@ -214,6 +220,15 @@ del_dir(Name) ->
read_file_info(Name) ->
check_and_call(read_file_info, [file_name(Name)]).
+-spec read_file_info(Filename, Opts) -> {ok, FileInfo} | {error, Reason} when
+ Filename :: name(),
+ Opts :: [file_info_option()],
+ FileInfo :: file_info(),
+ Reason :: posix() | badarg.
+
+read_file_info(Name, Opts) when is_list(Opts) ->
+ check_and_call(read_file_info, [file_name(Name), Opts]).
+
-spec altname(Name :: name()) -> any().
altname(Name) ->
@@ -227,6 +242,16 @@ altname(Name) ->
read_link_info(Name) ->
check_and_call(read_link_info, [file_name(Name)]).
+-spec read_link_info(Name, Opts) -> {ok, FileInfo} | {error, Reason} when
+ Name :: name(),
+ Opts :: [file_info_option()],
+ FileInfo :: file_info(),
+ Reason :: posix() | badarg.
+
+read_link_info(Name, Opts) when is_list(Opts) ->
+ check_and_call(read_link_info, [file_name(Name),Opts]).
+
+
-spec read_link(Name) -> {ok, Filename} | {error, Reason} when
Name :: name(),
Filename :: filename(),
@@ -243,6 +268,15 @@ read_link(Name) ->
write_file_info(Name, Info = #file_info{}) ->
check_and_call(write_file_info, [file_name(Name), Info]).
+-spec write_file_info(Filename, FileInfo, Opts) -> ok | {error, Reason} when
+ Filename :: name(),
+ Opts :: [file_info_option()],
+ FileInfo :: file_info(),
+ Reason :: posix() | badarg.
+
+write_file_info(Name, Info = #file_info{}, Opts) when is_list(Opts) ->
+ check_and_call(write_file_info, [file_name(Name), Info, Opts]).
+
-spec list_dir(Dir) -> {ok, Filenames} | {error, Reason} when
Dir :: name(),
Filenames :: [filename()],
@@ -1129,7 +1163,8 @@ change_time(Name, {{AY, AM, AD}, {AH, AMin, ASec}}=Atime,
-define(MAX_CHUNK_SIZE, (1 bsl 20)*20). %% 20 MB, has to fit in primary memory
-spec sendfile(RawFile, Socket, Offset, Bytes, Opts) ->
- {'ok', non_neg_integer()} | {'error', inet:posix() | badarg | not_owner} when
+ {'ok', non_neg_integer()} | {'error', inet:posix() |
+ closed | badarg | not_owner} when
RawFile :: file:fd(),
Socket :: inet:socket(),
Offset :: non_neg_integer(),
@@ -1154,7 +1189,8 @@ sendfile(File, Sock, Offset, Bytes, Opts) ->
%% sendfile/2
-spec sendfile(Filename, Socket) ->
- {'ok', non_neg_integer()} | {'error', inet:posix() | badarg | not_owner}
+ {'ok', non_neg_integer()} | {'error', inet:posix() |
+ closed | badarg | not_owner}
when Filename :: file:name(),
Socket :: inet:socket().
sendfile(Filename, Sock) ->