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;; threads.jl -- some thread utilities
;; Copyright (C) 2000 John Harper <john@dcs.warwick.ac.uk>
;; $Id$
;; This file is part of librep.
;; librep is free software; you can redistribute it and/or modify it
;; under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; librep 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 General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with librep; see the file COPYING. If not, write to
;; the Free Software Foundation, 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301 USA
(define-structure rep.threads.utils
(export without-interrupts)
(open rep)
(defmacro without-interrupts forms
"Evaluate `(progn FORMS)' with thread preemption disabled."
`(unwind-protect
(progn
(thread-forbid)
,@forms)
(thread-permit))))
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