diff options
| -rw-r--r-- | erts/preloaded/src/prim_inet.erl | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/erts/preloaded/src/prim_inet.erl b/erts/preloaded/src/prim_inet.erl index c98c7937b7..abd322e5cf 100644 --- a/erts/preloaded/src/prim_inet.erl +++ b/erts/preloaded/src/prim_inet.erl @@ -520,13 +520,35 @@ sendfile(S, FileHandle, Offset, Length) sendfile(S, FileHandle, Offset, Length) -> case erlang:port_info(S, connected) of {connected, Pid} when Pid =:= self() -> - sendfile_1(S, FileHandle, Offset, Length); + Uncork = sendfile_maybe_cork(S), + Result = sendfile_1(S, FileHandle, Offset, Length), + sendfile_maybe_uncork(S, Uncork), + Result; {connected, Pid} when Pid =/= self() -> {error, not_owner}; _Other -> {error, einval} end. +sendfile_maybe_cork(S) -> + case getprotocol(S) of + tcp -> + case getopts(S, [nopush]) of + {ok, [{nopush,false}]} -> + _ = setopts(S, [{nopush,true}]), + true; + _ -> + false + end; + _ -> false + end. + +sendfile_maybe_uncork(S, true) -> + _ = setopts(S, [{nopush,false}]), + ok; +sendfile_maybe_uncork(_, false) -> + ok. + sendfile_1(S, FileHandle, Offset, 0) -> sendfile_1(S, FileHandle, Offset, (1 bsl 63) - 1); sendfile_1(_S, _FileHandle, Offset, Length) when |