- * Specifies an interrupt handler function for cleaning up critical resources.
- * If Glk receives an interrupt, and you have set an interrupt handler, your
- * handler will be called, before the process is shut down.
+ * Sets @func to be the interrupt handler. @func should be a pointer to a
+ * function which takes no argument and returns no result. If Glk receives an
+ * interrupt, and you have set an interrupt handler, your handler will be
+ * called, before the process is shut down.