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- ;;;; Copyright (C) 1996, 1998 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, Inc., 59 Temple Place, Suite 330,
- ;;;; Boston, MA 02111-1307 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 -------------------------------------------------------
-
- (define-public (%thread-handler tag . args)
- (fluid-set! the-last-stack #f)
- (unmask-signals)
- (let ((n (length args))
- (p (current-error-port)))
- (display "In thread:" p)
- (newline p)
- (if (>= n 3)
- (display-error #f
- p
- (car args)
- (cadr args)
- (caddr args)
- (if (= n 4)
- (cadddr args)
- '()))
- (begin
- (display "uncaught throw to " p)
- (display tag p)
- (display ": " p)
- (display args p)
- (newline p)))))
-
- (defmacro-public make-thread (fn . args)
- `(call-with-new-thread
- (lambda ()
- (,fn ,@args))
- %thread-handler))
-
- (defmacro-public begin-thread (first . thunk)
- `(call-with-new-thread
- (lambda ()
- (begin
- ,first ,@thunk))
- %thread-handler))
-
- (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)))
-