SWI-Prolog -- alarm/4

Documentation
- Reference manual
- Packages
  - SWI-Prolog C-library
    - library(time): Time and alarm library

Availability::- use_module(library(time)).(can be autoloaded)

[det]alarm(+Time, :Callable, -Id)

[det]alarm(+Time, :Callable, -Id, +Options)

Set up an alarm to be signaled Time seconds from now. If the alarm expires, Callable is called asynchronously. Callable can be used to raise an exception using throw/1 to abort some execution.

Options is a list of Name(Value) options. Currently defined options are:

remove(Bool): If true (default false), remove the alarm-event (as remove_alarm/1) after it has been fired.
install(Bool): If false (default true) do not install the alarm. It must be installed separately using install_alarm/1.