diff options
Diffstat (limited to 'lib/stdlib/src/gen.erl')
| -rw-r--r-- | lib/stdlib/src/gen.erl | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/lib/stdlib/src/gen.erl b/lib/stdlib/src/gen.erl index 363094fb15..d03ca78e7c 100644 --- a/lib/stdlib/src/gen.erl +++ b/lib/stdlib/src/gen.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2022. All Rights Reserved. +%% Copyright Ericsson AB 1996-2023. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -40,6 +40,8 @@ -export([format_status_header/2, format_status/4]). +-export(['@wait_response_recv_opt'/3]). + -define(MAX_INT_TIMEOUT, 4294967295). -define(default_timeout, 5000). @@ -193,7 +195,8 @@ init_it(GenMod, Starter, Parent, Name, Mod, Args, Options) -> true -> init_it2(GenMod, Starter, Parent, Name, Mod, Args, Options); {false, Pid} -> - proc_lib:init_ack(Starter, {error, {already_started, Pid}}) + proc_lib:init_fail( + Starter, {error, {already_started, Pid}}, {exit, normal}) end. init_it2(GenMod, Starter, Parent, Name, Mod, Args, Options) -> @@ -313,6 +316,17 @@ do_send_request(Process, Tag, Request) -> _ = erlang:send(Process, {Tag, {self(), [alias|ReqId]}, Request}, [noconnect]), ReqId. +-spec '@wait_response_recv_opt'(term(), term(), term()) -> ok. +'@wait_response_recv_opt'(Process, Tag, Request) -> + %% Enables reference optimization in wait_response/2 and + %% receive_response/2 + %% + %% This never actually runs and is only used to trigger the optimization, + %% see the module comment in beam_ssa_recv for details. + _ = wait_response(send_request(Process, Tag, Request), infinity), + _ = receive_response(send_request(Process, Tag, Request), infinity), + ok. + %% %% Wait for a reply to the client. %% Note: if timeout is returned monitors are kept. |