;;; R7RS compatibility libraries ;;; Copyright (C) 2019 Free Software Foundation, Inc. ;;; ;;; This library is free software: you can redistribute it and/or modify ;;; it under the terms of the GNU Lesser General Public License as ;;; published by the Free Software Foundation, either version 3 of the ;;; License, or (at your option) any later version. ;;; ;;; This library is distributed in the hope that it will be useful, but ;;; WITHOUT ANY WARRANTY; without even the implied warranty of ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;; Lesser General Public License for more details. ;;; ;;; You should have received a copy of the GNU Lesser General Public ;;; License along with this program. If not, see ;;; . (define-module (scheme time) #:use-module (srfi srfi-19) #:export (current-jiffy current-second jiffies-per-second)) (define (jiffies-per-second) internal-time-units-per-second) (define (current-jiffy) (get-internal-real-time)) (define (current-second) (let ((t (current-time time-tai))) (+ (time-second t) (* 1e-9 (time-nanosecond t)))))