Merge branch 'ta/sendfile/OTP-9240'

* ta/sendfile/OTP-9240: (31 commits)
  Add sendfile server printouts
  Skip recv/send during tests for fallback platforms
  Remove header/trailer support
  Remove windows implementation
  Expand sendfile documentation
  Only allow tcp sockets as target for sendfile
  Move sendfile api to file module
  Preliminary work on header/trailer
  Use free_sendfile explicitly for non-async
  Remove debug printouts
  Add tests for send/recv/sendfile interactions
  Remove tests for file_server sendfile
  sendfile caller now has to be the controlling_process
  Remove support for file_server, sendfile has to be raw
  Set chunk size to 3 GB
  Change type of fd to be ErlDrvEvent
  Add ifdef's for HAVE_SENDFILE
  Fix freebsd support for sendfile
  Change nbytes to 64 bit
  Implement ignorefd for TCP
  ...

1 files changed, 17 insertions, 1 deletions

diff --git a/erts/preloaded/src/prim_inet.erl b/erts/preloaded/src/prim_inet.erl
index f144f73d68..0cedd284db 100644
--- a/erts/preloaded/src/prim_inet.erl
+++ b/erts/preloaded/src/prim_inet.erl
@@ -36,7 +36,8 @@
 -export([recvfrom/2, recvfrom/3]).
 -export([setopt/3, setopts/2, getopt/2, getopts/2, is_sockopt_val/2]).
 -export([chgopt/3, chgopts/2]).
--export([getstat/2, getfd/1, getindex/1, getstatus/1, gettype/1, 
+-export([getstat/2, getfd/1, ignorefd/2,
+	 getindex/1, getstatus/1, gettype/1,
 	 getifaddrs/1, getiflist/1, ifget/3, ifset/3,
 	 gethostname/1]).
 -export([getservbyname/3, getservbyport/3]).
@@ -842,6 +843,21 @@ getfd(S) when is_port(S) ->
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%
+%% IGNOREFD(insock(),boolean()) -> {ok,integer()} | {error, Reason}
+%%
+%% steal internal file descriptor
+%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+ignorefd(S,Bool) when is_port(S) ->
+    Val = if Bool -> 1; true -> 0 end,
+    case ctl_cmd(S, ?INET_REQ_IGNOREFD, [Val]) of
+	{ok, _} -> ok;
+	Error -> Error
+    end.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%
 %% GETIX(insock()) -> {ok,integer()} | {error, Reason}
 %%
 %% get internal socket index