diff options
Diffstat (limited to 'lib/kernel/src/file.erl')
-rw-r--r-- | lib/kernel/src/file.erl | 65 |
1 files changed, 25 insertions, 40 deletions
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl index 933f2d5f65..c2df1ee288 100644 --- a/lib/kernel/src/file.erl +++ b/lib/kernel/src/file.erl @@ -72,7 +72,7 @@ io_device/0, name/0, name_all/0, posix/0]). %%% Includes and defines --include("file.hrl"). +-include("file_int.hrl"). -define(FILE_IO_SERVER_TABLE, file_io_servers). @@ -454,41 +454,23 @@ raw_write_file_info(Name, #file_info{} = Info) -> Reason :: posix() | badarg | system_limit. open(Item, ModeList) when is_list(ModeList) -> - case lists:member(raw, ModeList) of - %% Raw file, use ?PRIM_FILE to handle this file - true -> + case {lists:member(raw, ModeList), lists:member(ram, ModeList)} of + {false, false} -> + %% File server file Args = [file_name(Item) | ModeList], case check_args(Args) of ok -> [FileName | _] = Args, - %% We rely on the returned Handle (in {ok, Handle}) - %% being a pid() or a #file_descriptor{} - ?PRIM_FILE:open(FileName, ModeList); + call(open, [FileName, ModeList]); Error -> Error - end; - false -> - case lists:member(ram, ModeList) of - %% RAM file, use ?RAM_FILE to handle this file - true -> - case check_args(ModeList) of - ok -> - ?RAM_FILE:open(Item, ModeList); - Error -> - Error - end; - %% File server file - false -> - Args = [file_name(Item) | ModeList], - case check_args(Args) of - ok -> - [FileName | _] = Args, - call(open, [FileName, ModeList]); - Error -> - Error - end - end + end; + {true, _Either} -> + raw_file_io:open(file_name(Item), ModeList); + {false, true} -> + ram_file:open(Item, ModeList) end; + %% Old obsolete mode specification in atom or 2-tuple format open(Item, Mode) -> open(Item, mode_list(Mode)). @@ -1254,15 +1236,18 @@ sendfile(File, _Sock, _Offet, _Bytes, _Opts) when is_pid(File) -> sendfile(File, Sock, Offset, Bytes, []) -> sendfile(File, Sock, Offset, Bytes, ?MAX_CHUNK_SIZE, [], [], []); sendfile(File, Sock, Offset, Bytes, Opts) -> - ChunkSize0 = proplists:get_value(chunk_size, Opts, ?MAX_CHUNK_SIZE), - ChunkSize = if ChunkSize0 > ?MAX_CHUNK_SIZE -> - ?MAX_CHUNK_SIZE; - true -> ChunkSize0 - end, - %% Support for headers, trailers and options has been removed because the - %% Darwin and BSD API for using it does not play nice with - %% non-blocking sockets. See unix_efile.c for more info. - sendfile(File, Sock, Offset, Bytes, ChunkSize, [], [], Opts). + try proplists:get_value(chunk_size, Opts, ?MAX_CHUNK_SIZE) of + ChunkSize0 when is_integer(ChunkSize0) -> + ChunkSize = erlang:min(ChunkSize0, ?MAX_CHUNK_SIZE), + %% Support for headers, trailers and options has been removed + %% because the Darwin and BSD API for using it does not play nice + %% with non-blocking sockets. See unix_efile.c for more info. + sendfile(File, Sock, Offset, Bytes, ChunkSize, [], [], Opts); + _Other -> + {error, badarg} + catch + error:_ -> {error, badarg} + end. %% sendfile/2 -spec sendfile(Filename, Socket) -> @@ -1397,8 +1382,8 @@ eval_stream2({ok,Form,EndLine}, Fd, H, Last, E, Bs0) -> try erl_eval:exprs(Form, Bs0) of {value,V,Bs} -> eval_stream(Fd, H, EndLine, {V}, E, Bs) - catch Class:Reason -> - Error = {EndLine,?MODULE,{Class,Reason,erlang:get_stacktrace()}}, + catch Class:Reason:StackTrace -> + Error = {EndLine,?MODULE,{Class,Reason,StackTrace}}, eval_stream(Fd, H, EndLine, Last, [Error|E], Bs0) end; eval_stream2({error,What,EndLine}, Fd, H, Last, E, Bs) -> |