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`export-syntax', `re-export' and `re-export-syntax' into the `define-module' form. This is the recommended way of exporting bindings. * srfi-2.scm, srfi-4.scm, srfi-8.scm, srfi-9.scm, srfi-10.scm, srfi-11.scm, srfi-14.scm, srfi-16.scm: Move module the system directives `export', `export-syntax', `re-export' and `re-export-syntax' into the `define-module' form. This is the recommended way of exporting bindings. * goops.scm, goops/active-slot.scm, goops/compile.scm, goops/composite-slot.scm, goops/describe.scm, goops/dispatch.scm, goops/old-define-method.scm, goops/save.scm, goops/util.scm: Move module the system directives `export', `export-syntax', `re-export' and `re-export-syntax' into the `define-module' form. This is the recommended way of exporting bindings. * slib.scm (array-indexes): New procedure. (*features*): Extend. (Probably some of these options should be set elsewhere.) (Thanks to Aubrey Jaffer.) * and-let-star-compat.scm, and-let-star.scm, calling.scm, channel.scm, common-list.scm, debug.scm, debugger.scm, expect.scm, hcons.scm, lineio.scm, ls.scm, mapping.scm, null.scm, optargs.scm, poe.scm, popen.scm, pretty-print.scm, q.scm, r5rs.scm, rdelim.scm, regex.scm, runq.scm, safe-r5rs.scm, safe.scm, session.scm, slib.scm, streams.scm, string-fun.scm, syncase.scm, threads.scm: Move module the system directives `export', `export-syntax', `re-export' and `re-export-syntax' into the `define-module' form. This is the recommended way of exporting bindings.
117 lines
4 KiB
Scheme
117 lines
4 KiB
Scheme
;;;; Copyright (C) 1996, 1998, 2001 Free Software Foundation, Inc.
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;;;;
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;;;; This program is free software; you can redistribute it and/or modify
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;;;; it under the terms of the GNU General Public License as published by
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;;;; the Free Software Foundation; either version 2, or (at your option)
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;;;; any later version.
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;;;;
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;;;; This program is distributed in the hope that it will be useful,
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;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;;; GNU General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU General Public License
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;;;; along with this software; see the file COPYING. If not, write to
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;;;; the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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;;;; Boston, MA 02111-1307 USA
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;;;;
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;;;; As a special exception, the Free Software Foundation gives permission
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;;;; for additional uses of the text contained in its release of GUILE.
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;;;;
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;;;; The exception is that, if you link the GUILE library with other files
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;;;; to produce an executable, this does not by itself cause the
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;;;; resulting executable to be covered by the GNU General Public License.
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;;;; Your use of that executable is in no way restricted on account of
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;;;; linking the GUILE library code into it.
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;;;;
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;;;; This exception does not however invalidate any other reasons why
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;;;; the executable file might be covered by the GNU General Public License.
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;;;;
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;;;; This exception applies only to the code released by the
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;;;; Free Software Foundation under the name GUILE. If you copy
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;;;; code from other Free Software Foundation releases into a copy of
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;;;; GUILE, as the General Public License permits, the exception does
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;;;; not apply to the code that you add in this way. To avoid misleading
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;;;; anyone as to the status of such modified files, you must delete
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;;;; this exception notice from them.
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;;;;
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;;;; If you write modifications of your own for GUILE, it is your choice
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;;;; whether to permit this exception to apply to your modifications.
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;;;; If you do not wish that, delete this exception notice.
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;;;;
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;;;; ----------------------------------------------------------------
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;;;; threads.scm -- User-level interface to Guile's thread system
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;;;; 4 March 1996, Anthony Green <green@cygnus.com>
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;;;; Modified 5 October 1996, MDJ <djurfeldt@nada.kth.se>
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;;;; Modified 6 April 2001, ttn
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;;;; ----------------------------------------------------------------
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;;;;
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;;; Commentary:
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;; This module is documented in the Guile Reference Manual.
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;; Briefly, one procedure is exported: `%thread-handler';
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;; as well as four macros: `make-thread', `begin-thread',
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;; `with-mutex' and `monitor'.
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;;; Code:
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(define-module (ice-9 threads)
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:export-syntax (make-thread
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begin-thread
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with-mutex
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monitor)
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:export (%thread-handler))
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(define (%thread-handler tag . args)
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(fluid-set! the-last-stack #f)
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(unmask-signals)
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(let ((n (length args))
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(p (current-error-port)))
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(display "In thread:" p)
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(newline p)
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(if (>= n 3)
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(display-error #f
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p
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(car args)
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(cadr args)
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(caddr args)
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(if (= n 4)
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(cadddr args)
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'()))
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(begin
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(display "uncaught throw to " p)
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(display tag p)
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(display ": " p)
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(display args p)
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(newline p)))))
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; --- MACROS -------------------------------------------------------
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(defmacro make-thread (proc . args)
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`(call-with-new-thread
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(lambda ()
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(,proc ,@args))
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%thread-handler))
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(defmacro begin-thread (first . rest)
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`(call-with-new-thread
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(lambda ()
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(begin
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,first ,@rest))
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%thread-handler))
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(defmacro with-mutex (m . body)
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`(dynamic-wind
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(lambda () (lock-mutex ,m))
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(lambda () (begin ,@body))
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(lambda () (unlock-mutex ,m))))
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(defmacro monitor (first . rest)
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`(with-mutex ,(make-mutex)
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(begin
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,first ,@rest)))
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;;; threads.scm ends here
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