src/impl-mkcl.lisp

   1 ;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; indent-tabs-mode: nil -*-
   2
   3 #|
   4 Copyright 2006, 2007 Greg Pfeil
   5 Copyright 2010 Jean-Claude Beaudoin.
   6
   7 Distributed under the MIT license (see LICENSE file)
   8 |#
   9
  10 (in-package #:bordeaux-threads)
  11
  12 (deftype thread ()
  13   'mt:thread)
  14
  15 ;;; Thread Creation
  16
  17 (defun %make-thread (function name)
  18   (mt:thread-run-function name function))
  19
  20 (defun current-thread ()
  21   mt::*thread*)
  22
  23 (defun threadp (object)
  24   (typep object 'mt:thread))
  25
  26 (defun thread-name (thread)
  27   (mt:thread-name thread))
  28
  29 ;;; Resource contention: locks and recursive locks
  30
  31 (defun make-lock (&optional name)
  32   (mt:make-lock :name (or name "Anonymous lock")))
  33
  34 (defun acquire-lock (lock &optional (wait-p t))
  35   (mt:get-lock lock wait-p))
  36
  37 (defun release-lock (lock)
  38   (mt:giveup-lock lock))
  39
  40 (defmacro with-lock-held ((place) &body body)
  41   `(mt:with-lock (,place) ,@body))
  42
  43 (defun make-recursive-lock (&optional name)
  44   (mt:make-lock :name (or name "Anonymous recursive lock") :recursive t))
  45
  46 (defun acquire-recursive-lock (lock &optional (wait-p t))
  47   (mt:get-lock lock wait-p))
  48
  49 (defun release-recursive-lock (lock)
  50   (mt:giveup-lock lock))
  51
  52 (defmacro with-recursive-lock-held ((place) &body body)
  53   `(mt:with-lock (,place) ,@body))
  54
  55 ;;; Resource contention: condition variables
  56
  57 (defun make-condition-variable (&key name)
  58   (declare (ignore name))
  59   (mt:make-condition-variable))
  60
  61 (defun condition-wait (condition-variable lock)
  62   (mt:condition-wait condition-variable lock))
  63
  64 (defun condition-notify (condition-variable)
  65   (mt:condition-signal condition-variable))
  66
  67 (defun thread-yield ()
  68   (mt:thread-yield))
  69
  70 ;;; Introspection/debugging
  71
  72 (defun all-threads ()
  73   (mt:all-threads))
  74
  75 (defun interrupt-thread (thread function &rest args)
  76   (flet ((apply-function ()
  77            (if args
  78                (lambda () (apply function args))
  79                function)))
  80     (declare (dynamic-extent #'apply-function))
  81     (mt:interrupt-thread thread (apply-function))))
  82
  83 (defun destroy-thread (thread)
  84   (signal-error-if-current-thread thread)
  85   (mt:thread-kill thread))
  86
  87 (defun thread-alive-p (thread)
  88   (mt:thread-active-p thread))
  89
  90 (defun join-thread (thread)
  91   (mt:thread-join thread))
  92
  93 (mark-supported)