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-rw-r--r--lib/kernel/src/file.erl58
1 files changed, 1 insertions, 57 deletions
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl
index fba9a86e95..706c60caaf 100644
--- a/lib/kernel/src/file.erl
+++ b/lib/kernel/src/file.erl
@@ -41,7 +41,7 @@
pread/2, pread/3, pwrite/2, pwrite/3,
read_line/1,
position/2, truncate/1, datasync/1, sync/1,
- copy/2, copy/3, sendfile/4, sendfile/2]).
+ copy/2, copy/3]).
%% High level operations
-export([consult/1, path_consult/2]).
-export([eval/1, eval/2, path_eval/2, path_eval/3, path_open/3]).
@@ -335,62 +335,6 @@ raw_write_file_info(Name, #file_info{} = Info) ->
Error
end.
-%% sendfile/5
-%% TODO: add more guards? export sendfile/5?
--spec sendfile(File, Sock, Offset, Bytes, ChunkSize)
- -> {'ok', non_neg_integer()} | {'error', posix()} when
- File::io_device(), Sock::port() | integer(),
- Offset::non_neg_integer(), Bytes::non_neg_integer(),
- ChunkSize::non_neg_integer().
-sendfile(File, Sock, Offset, Bytes, ChunkSize) when is_integer(Sock)
- andalso is_pid(File) ->
- R = file_request(File, {sendfile, Sock, Offset, Bytes, ChunkSize}),
- wait_file_reply(File, R);
-sendfile(File, Sock, Offset, Bytes, ChunkSize) when is_port(Sock)
- andalso is_pid(File) ->
- {ok, SockFD} = prim_inet:getfd(Sock),
- sendfile(File, SockFD, Offset, Bytes, ChunkSize);
-sendfile(#file_descriptor{module = Module} = Handle, Sock,
- Offset, Bytes, ChunkSize) when is_integer(Sock) ->
- Module:sendfile(Handle, Sock, Offset, Bytes, ChunkSize);
-sendfile(#file_descriptor{module = _Module} = Handle, Sock,
- Offset, Bytes, ChunkSize) when is_port(Sock) ->
- {ok, SockFD} = prim_inet:getfd(Sock),
- sendfile(Handle, SockFD, Offset, Bytes, ChunkSize);
-sendfile(_, _, _, _, _) ->
- {error, badarg}.
-
--define(SENDFILE_CHUNK_LIMIT, 2147483648). % 2GB
-
-%% Limit chunksize to work around 4 byte off_t/size_t limits
-sendfile_chunksize(Bytes, Limit) ->
- case Bytes >= Limit of
- true -> Limit - 1;
- false -> Bytes
- end.
-
--spec sendfile(File, Sock, Offset, Bytes)
- -> {'ok', non_neg_integer()} | {'error', posix()} when
- File::io_device(), Sock::port() | integer(),
- Offset::non_neg_integer(), Bytes::non_neg_integer().
-sendfile(File, Sock, Offset, Bytes) ->
- ChunkSize = sendfile_chunksize(Bytes, ?SENDFILE_CHUNK_LIMIT),
- sendfile(File, Sock, Offset, Bytes, ChunkSize).
-
-%% sendfile/2
-%% TODO: add guards?
--spec sendfile(File, Sock) -> {'ok', non_neg_integer()} | {'error', posix()}
- when File::name(), Sock::port().
-sendfile(File, Sock) ->
- Offset = 0,
- {ok, #file_info{size = Bytes}} = read_file_info(File),
- %% TODO: use file:open/2 and file:read_file_info/1 instead of local calls?
- {ok, Fd} = open(File, [read, raw, binary]),
- ChunkSize = sendfile_chunksize(Bytes, ?SENDFILE_CHUNK_LIMIT),
- Res = sendfile(Fd, Sock, Offset, Bytes, ChunkSize),
- ok = close(Fd),
- Res.
-
%%%-----------------------------------------------------------------
%%% File io server functions.
%%% They operate on a single open file.