Erlang - register

This is used to register a process in the system.

Syntax

register(atom,pid)

Parameters

• atom − This is the registered name to give to the process.

• Pid − this is the process id which needs to be bound to the atom.

Return Value

None

For example

-module(helloworld). 
-export([start/0, call/2]). 

call(Arg1, Arg2) -> 
   io:fwrite("~p~n",[Arg1]). 

start() -> 
   Pid = spawn(?MODULE, call, ["hello", "process"]), 
   register(myprocess, Pid), 
   io:fwrite("~p~n",[registered()]).

Output

When we run the above program, we will get the following result.

[kernel_safe_sup,rex,erl_prim_loader,kernel_sup,inet_db,global_name_server,
code_server,file_server_2,application_controller,init,user,standard_error,
global_group,error_logger,standard_error_sup,myprocess]
"hello"