109 lines
2.5 KiB
Common Lisp
109 lines
2.5 KiB
Common Lisp
;;;; -*- indent-tabs-mode: nil -*-
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#|
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Copyright 2006, 2007 Greg Pfeil
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Copyright 2010 Jean-Claude Beaudoin.
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Distributed under the MIT license (see LICENSE file)
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|#
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(in-package #:bordeaux-threads)
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(deftype thread ()
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'mt:thread)
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;;; Thread Creation
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(defun %make-thread (function name)
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(mt:thread-run-function name function))
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(defun current-thread ()
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mt::*thread*)
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(defun threadp (object)
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(typep object 'mt:thread))
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(defun thread-name (thread)
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(mt:thread-name thread))
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;;; Resource contention: locks and recursive locks
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(deftype lock () 'mt:lock)
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(deftype recursive-lock ()
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'(and mt:lock (satisfies mt:recursive-lock-p)))
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(defun lock-p (object)
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(typep object 'mt:lock))
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(defun recursive-lock-p (object)
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(and (typep object 'mt:lock)
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(mt:recursive-lock-p object)))
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(defun make-lock (&optional name)
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(mt:make-lock :name (or name "Anonymous lock")))
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(defun acquire-lock (lock &optional (wait-p t))
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(mt:get-lock lock wait-p))
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(defun release-lock (lock)
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(mt:giveup-lock lock))
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(defmacro with-lock-held ((place) &body body)
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`(mt:with-lock (,place) ,@body))
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(defun make-recursive-lock (&optional name)
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(mt:make-lock :name (or name "Anonymous recursive lock") :recursive t))
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(defun acquire-recursive-lock (lock &optional (wait-p t))
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(mt:get-lock lock wait-p))
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(defun release-recursive-lock (lock)
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(mt:giveup-lock lock))
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(defmacro with-recursive-lock-held ((place) &body body)
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`(mt:with-lock (,place) ,@body))
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;;; Resource contention: condition variables
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(defun make-condition-variable (&key name)
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(declare (ignore name))
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(mt:make-condition-variable))
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(defun condition-wait (condition-variable lock &key timeout)
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(signal-error-if-condition-wait-timeout timeout)
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(mt:condition-wait condition-variable lock)
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t)
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(define-condition-wait-compiler-macro)
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(defun condition-notify (condition-variable)
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(mt:condition-signal condition-variable))
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(defun thread-yield ()
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(mt:thread-yield))
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;;; Introspection/debugging
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(defun all-threads ()
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(mt:all-threads))
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(defun interrupt-thread (thread function &rest args)
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(flet ((apply-function ()
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(if args
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(lambda () (apply function args))
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function)))
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(declare (dynamic-extent #'apply-function))
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(mt:interrupt-thread thread (apply-function))))
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(defun destroy-thread (thread)
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(signal-error-if-current-thread thread)
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(mt:thread-kill thread))
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(defun thread-alive-p (thread)
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(mt:thread-active-p thread))
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(defun join-thread (thread)
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(mt:thread-join thread))
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(mark-supported)
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