Module(Callback)

NAME
Callback - Registering Caml values with the C runtime.

Module
Module Callback

Documentation

Module Callback
 : sig end

Registering Caml values with the C runtime.

This module allows Caml values to be registered with the C runtime under a symbolic name, so that C code can later call back registered Caml functions, or raise registered Caml exceptions.

val register : string -> 'a -> unit

Callback.register n v registers the value v under the name n v by calling caml_named_value(n)

val register_exception : string -> exn -> unit

Callback.register_exception n exn registers the exception contained in the exception value exn under the name n the exception by calling caml_named_value(n) value thus obtained is suitable for passign as first argument to raise_constant or raise_with_arg