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guile/ice-9/threads.scm
1996-10-05 17:48:22 +00:00

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;;;; Copyright (C) 1996 Free Software Foundation, Inc.
;;;;
;;;; This program 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.
;;;;
;;;; This program 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 this software; see the file COPYING. If not, write to
;;;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
;;;;
;;;; ----------------------------------------------------------------
;;;; threads.scm -- User-level interface to Guile's thread system
;;;; 4 March 1996, Anthony Green <green@cygnus.com>
;;;; Modified 5 October 1996, MDJ <djurfeldt@nada.kth.se>
;;;; ----------------------------------------------------------------
;;;;
(define-module #/ice-9/threads)
; --- MACROS -------------------------------------------------------
(defmacro-public make-thread (fn . args)
`(call-with-new-thread
(lambda ()
(,fn ,@args))
(lambda args args)))
(defmacro-public begin-thread (first . thunk)
`(call-with-new-thread
(lambda ()
(begin
,first ,@thunk))
(lambda args args)))
(defmacro-public with-mutex (m . thunk)
`(dynamic-wind
(lambda () (lock-mutex ,m))
(lambda () (begin ,@thunk))
(lambda () (unlock-mutex ,m))))
(defmacro-public monitor (first . thunk)
`(with-mutex ,(make-mutex)
(begin
,first ,@thunk)))