OTP 要点

?FILE     当前文件名 
?MODULE   当前module名 
?LINE     当前行数 


gen_server exports and callbacks

gen_server module              callback module  
gen_server:start_link -------> Module:init/1  
gen_server:start  
gen_server:call -------------> Module:handle_call/3  
gen_server:multi_call  
gen_server:cast -------------> Module:handle_cast/2  
gen_server:abcast                
gen_server:replay  
gen_server:enter_loop  
                               Module:handle_info/2  
                               Module:terminate/2  
                               Module:code_change/3  

gen_fsm exports and callbacks

gen_fsm module                          Callback module  
gen_fsm:start_link -------------------> Module:init/1  
gen_fsm:start  
gen_fsm:send_event -------------------> Module:StateName/2  
gen_fsm:send_all_state_event ---------> Module:handle_event/3  
gen_fsm:sync_send_event --------------> Module:StateName/3  
gen_fsm:sync_send_all_state_event ----> Module:handle_sync_event/4  
gen_fsm:reply  
gen_fsm:send_event_after  
gen_fsm:start_timer  
gen_fsm:cancel_timer  
gen_fsm:enter_loop  
                                        Module:handle_info/3  
                                        Module:terminate/3  
                                        Module:code_change/4  

gen_event exports and callbacks

gen_event module                             Callback module  
gen_event:start_link  
gen_event:start  
gen_event:add_handler ----------------------> Module:init/1  
gen_event:add_suphandler  
gen_event:notify ---------------------------> Module:handle_event/2  
gen_event:sync_notify  
gen_event:call -----------------------------> Module:handle_call/2  
gen_event:delete_handler -------------------> Module:terminate/2  
gen_event:swap_handler ---------------------> Module1:terminate/2 Module2:init/1  
gen_event:swap_sup_handler  
gen_event:which_handlers  
gen_event:stop -----------------------------> Module:terminate/2  
                                              Module:handle_info/2  
                                              Module:code_change/3  

supervisor exports and callbacks

supervisor module                  Callback module  
supervisor:start_link              Module:init/1  
supervisor:start_child  
supervisor:terminate_child  
supervisor:delete_child  
supervisor:restart_child  
supervisor:which_children  
supervisor:check_childspecs