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| author | Lukas Larsson <[email protected]> | 2015-07-13 15:38:41 +0200 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2015-12-15 10:05:37 +0100 |
| commit | 4b98e710b9c45481c1cdc7a4ee68f7ce7fca908a (patch) | |
| tree | 85540d384eacdc9e15c6ffbbaacac9ff053c0ba1 /erts/preloaded | |
| parent | 6f760fcaf2608cc25684e17660a95e51f080c7af (diff) | |
| download | otp-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.erl | 10 | ||||
| -rw-r--r-- | erts/preloaded/src/erts_internal.erl | 9 |
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(), |