The standard library Set_Sigalrm_Frequency api defines access to host OS interval timer functionality. On Posix this is setitimer(), on MS-Windows this is win32StartTimer().
The Set_Sigalrm_Frequency api is implemented by the set_sigalrm_frequency package.
The Set_Sigalrm_Frequency api source code is in src/lib/std/src/nj/set-sigalrm-frequency.api.
The above information is manually maintained and may contain errors.
api {
tick : Void -> time::Time;
set_sigalrm_frequency : Null_Or(time::Time ) -> Void;};