diff options
Diffstat (limited to 'src/gen_server2.erl')
| -rw-r--r-- | src/gen_server2.erl | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/gen_server2.erl b/src/gen_server2.erl index ee82bcb3..d2f96b52 100644 --- a/src/gen_server2.erl +++ b/src/gen_server2.erl @@ -69,7 +69,9 @@ %% which will be passed into any of the callback functions in the new %% module. Note there is no form also encompassing a reply, thus if %% you wish to reply in handle_call/3 and change the callback module, -%% you need to use gen_server2:reply/2 to issue the reply manually. +%% you need to use gen_server2:reply/2 to issue the reply +%% manually. The init function can similarly return a 5th argument, +%% Module, in order to dynamically decide the callback module on init. %% %% 8) The callback module can optionally implement %% format_message_queue/2 which is the equivalent of format_status/2 @@ -125,6 +127,7 @@ %%% ==> {ok, State} %%% {ok, State, Timeout} %%% {ok, State, Timeout, Backoff} +%%% {ok, State, Timeout, Backoff, Module} %%% ignore %%% {stop, Reason} %%% @@ -242,6 +245,8 @@ {ok, State :: term(), timeout() | hibernate} | {ok, State :: term(), timeout() | hibernate, {backoff, millis(), millis(), millis()}} | + {ok, State :: term(), timeout() | hibernate, + {backoff, millis(), millis(), millis()}, atom()} | ignore | {stop, Reason :: term()}. -callback handle_call(Request :: term(), From :: {pid(), Tag :: term()}, @@ -568,6 +573,13 @@ init_it(Starter, Parent, Name0, Mod, Args, Options) -> loop(GS2State #gs2_state { state = State, time = Timeout, timeout_state = Backoff1 }); + {ok, State, Timeout, Backoff = {backoff, _, _, _}, Mod1} -> + Backoff1 = extend_backoff(Backoff), + proc_lib:init_ack(Starter, {ok, self()}), + loop(GS2State #gs2_state { mod = Mod1, + state = State, + time = Timeout, + timeout_state = Backoff1 }); {stop, Reason} -> %% For consistency, we must make sure that the %% registered name (if any) is unregistered before |