sys
sys
Module
sys
Module summary
A functional interface to system messages.
Description
This module contains functions for sending system messages used by programs, and messages used for debugging purposes.
Functions used for implementation of processes are also expected to understand system messages, such as debug messages and code change. These functions must be used to implement the use of system messages for a process; either directly, or through standard behaviors, such as gen_server.
The default time-out is 5000 ms, unless otherwise specified. timeout defines the time to wait for the process to respond to a request. If the process does not respond, the function evaluates exit({timeout, {M, F, A}}).
