зеркало из https://github.com/mozilla/pjs.git
152 строки
4.7 KiB
C++
152 строки
4.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsIThreadManager_h___
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#define nsIThreadManager_h___
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#include "nsISupports.h"
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#include "nspr.h"
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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// Thread Manager
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// This interface provides thread primitives.
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#define NS_ITHREADMANAGER_IID \
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{ /* 97bb54c0-6846-11d2-801f-00805f71101c */ \
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0x97bb54c0, \
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0x6846, \
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0x11d2, \
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{0x80, 0x1f, 0x00, 0x80, 0x5f, 0x71, 0x10, 0x1c} \
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}
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class nsIRunnable;
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class nsIThreadManager : public nsISupports {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_ITHREADMANAGER_IID)
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/**
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* Returns a unique identifier for the "current" system thread.
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*/
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NS_IMETHOD
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GetCurrentThread(PRThread* *threadID) = 0;
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/**
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* Pauses the current thread for the specified number of milliseconds.
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* If milli is zero, then merely yields the CPU if another thread of
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* greater or equal priority.
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*/
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NS_IMETHOD
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Sleep(PRUint32 milli = 0) = 0;
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/**
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* Creates a unique monitor for the specified address, and makes the
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* current system thread the owner of the monitor.
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*/
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NS_IMETHOD
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EnterMonitor(void* address) = 0;
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/**
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* Exits the monitor associated with the address.
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*/
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NS_IMETHOD
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ExitMonitor(void* address) = 0;
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/**
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* Waits on the monitor associated with the address (must be entered already).
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* If milli is 0, wait indefinitely.
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*/
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NS_IMETHOD
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Wait(void* address, PRUint32 milli = 0) = 0;
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/**
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* Notifies a single thread waiting on the monitor associated with the address (must be entered already).
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*/
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NS_IMETHOD
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Notify(void* address) = 0;
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/**
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* Notifies all threads waiting on the monitor associated with the address (must be entered already).
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*/
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NS_IMETHOD
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NotifyAll(void* address) = 0;
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/**
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* Creates a new thread, calling the specified runnable's Run method (a la Java).
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*/
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NS_IMETHOD
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CreateThread(PRThread **thread, nsIRunnable* runnable) = 0;
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/**
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* Posts an event to specified thread, calling the runnable from that thread.
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* @param threadID thread to call runnable from
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* @param runnable object to invoke from thread
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* @param async if true, won't block current thread waiting for result
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*/
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NS_IMETHOD
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PostEvent(PRThread* thread, nsIRunnable* runnable, PRBool async) = 0;
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};
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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// Runnable
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// This interface represents the invocation of a new thread.
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#define NS_IRUNNABLE_IID \
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{ /* 930f3d70-6849-11d2-801f-00805f71101c */ \
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0x930f3d70, \
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0x6849, \
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0x11d2, \
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{0x80, 0x1f, 0x00, 0x80, 0x5f, 0x71, 0x10, 0x1c} \
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}
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class nsIRunnable : public nsISupports {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_IRUNNABLE_IID)
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/**
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* Defines an entry point for a newly created thread.
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*/
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NS_IMETHOD
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Run() = 0;
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};
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#endif /* nsIThreadManager_h___ */
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