aboutsummaryrefslogtreecommitdiffstats
path: root/erts/preloaded
diff options
context:
space:
mode:
authorLukas Larsson <[email protected]>2015-07-13 15:38:41 +0200
committerLukas Larsson <[email protected]>2015-12-15 10:05:37 +0100
commit4b98e710b9c45481c1cdc7a4ee68f7ce7fca908a (patch)
tree85540d384eacdc9e15c6ffbbaacac9ff053c0ba1 /erts/preloaded
parent6f760fcaf2608cc25684e17660a95e51f080c7af (diff)
downloadotp-4b98e710b9c45481c1cdc7a4ee68f7ce7fca908a.tar.gz
otp-4b98e710b9c45481c1cdc7a4ee68f7ce7fca908a.tar.bz2
otp-4b98e710b9c45481c1cdc7a4ee68f7ce7fca908a.zip
erts: Add support for asynchronous open_port
OTP-13086
Diffstat (limited to 'erts/preloaded')
-rw-r--r--erts/preloaded/src/erlang.erl10
-rw-r--r--erts/preloaded/src/erts_internal.erl9
2 files changed, 16 insertions, 3 deletions
diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl
index 7280b43502..4c22c596eb 100644
--- a/erts/preloaded/src/erlang.erl
+++ b/erts/preloaded/src/erlang.erl
@@ -2027,8 +2027,14 @@ nodes(_Arg) ->
| eof
| {parallelism, Boolean :: boolean()}
| hide.
-open_port(_PortName,_PortSettings) ->
- erlang:nif_error(undefined).
+open_port(PortName, PortSettings) ->
+ case case erts_internal:open_port(PortName, PortSettings) of
+ Ref when erlang:is_reference(Ref) -> receive {Ref, Res} -> Res end;
+ Res -> Res
+ end of
+ Port when erlang:is_port(Port) -> Port;
+ Error -> erlang:error(Error, [PortName, PortSettings])
+ end.
-type priority_level() ::
low | normal | high | max.
diff --git a/erts/preloaded/src/erts_internal.erl b/erts/preloaded/src/erts_internal.erl
index 7ed4efea4b..81202ed3e2 100644
--- a/erts/preloaded/src/erts_internal.erl
+++ b/erts/preloaded/src/erts_internal.erl
@@ -32,7 +32,7 @@
-export([await_port_send_result/3]).
-export([cmp_term/2]).
-export([map_to_tuple_keys/1, map_type/1, map_hashmap_children/1]).
--export([port_command/3, port_connect/2, port_close/1,
+-export([open_port/2, port_command/3, port_connect/2, port_close/1,
port_control/3, port_call/3, port_info/1, port_info/2]).
-export([request_system_task/3]).
@@ -88,6 +88,13 @@ gather_io_bytes(Ref, No, InAcc, OutAcc) ->
%% Statically linked port NIFs
%%
+-spec erts_internal:open_port(PortName, PortSettings) -> Result when
+ PortName :: tuple(),
+ PortSettings :: term(),
+ Result :: port() | reference() | atom().
+open_port(_PortName, _PortSettings) ->
+ erlang:nif_error(undefined).
+
-spec erts_internal:port_command(Port, Data, OptionList) -> Result when
Port :: port() | atom(),
Data :: iodata(),