processes.lisp

   1 ;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10; Package: modlisp -*-
   2 ;;;; *************************************************************************
   3 ;;;; FILE IDENTIFICATION
   4 ;;;;
   5 ;;;; Name:          processes.lisp
   6 ;;;; Purpose:       Multiprocessing functions
   7 ;;;; Programmer:    Kevin M. Rosenberg
   8 ;;;; Date Started:  June 2003
   9 ;;;;
  10 ;;;; $Id$
  11 ;;;; *************************************************************************
  12
  13 (in-package #:kmrcl)
  14
  15
  16 (defun make-process (name func)
  17   #+allegro (mp:process-run-function name func)
  18   #+cmu (mp:make-process func :name name)
  19   #+lispworks (mp:process-run-function name nil func)
  20   #+sb-thread (sb-thread:make-thread func)
  21   #-(or allegro cmu lispworks sb-thread) (funcall func)
  22   )
  23
  24 (defun destroy-process (process)
  25   #+cmu (mp:destroy-process process)
  26   #+allegro (mp:process-kill process)
  27   #+sb-thread (sb-thread:destroy-thread process)
  28   #+lispworks (mp:process-kill process)
  29   )
  30
  31 (defun make-lock (name)
  32   #+allegro (mp:make-process-lock :name name)
  33   #+cmu (mp:make-lock name)
  34   #+lispworks (mp:make-lock :name name)
  35   #+sbcl-thread (sb-thread:make-mutex :name name)
  36   )
  37
  38 (defmacro with-lock-held ((lock) &body body)
  39   #+allegro
  40   `(mp:with-process-lock (,lock) ,@body)
  41   #+cmu
  42   `(mp:with-lock-held (,lock) ,@body)
  43   #+lispworks
  44   `(mp:with-lock (,lock) ,@body)
  45   #+sbcl-thread
  46   `(sb-thread:with-recursive-lock (,lock) ,@body)
  47   #-(or allegro cmu lispworks sbcl-thread)
  48   `(progn ,@body)
  49   )
  50
  51
  52 (defmacro with-timeout ((seconds) &body body)
  53   #+allegro
  54   `(mp:with-timeout (,seconds) ,@body)
  55   #+cmu
  56   `(mp:with-timeout (,seconds) ,@body)
  57   #+sbcl-thread
  58   `(sb-ext:with-timeout ,seconds ,@body)
  59   #-(or allegro cmu sbcl-thread)
  60   `(progn ,@body)
  61   )
  62
  63 (defun process-sleep (n)
  64   #+allegro (mp:process-sleep n)
  65   #-allegro (sleep n))
  66