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133 lines
4.3 KiB
C++
133 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsIThread_h__
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#define nsIThread_h__
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#include "nsISupports.h"
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#include "prthread.h"
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#include "nscore.h"
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////////////////////////////////////////////////////////////////////////////////
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#define NS_IRUNNABLE_IID \
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{ /* e06996e0-0d6b-11d3-9331-00104ba0fd40 */ \
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0xe06996e0, \
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0x0d6b, \
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0x11d3, \
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{0x93, 0x31, 0x00, 0x10, 0x4b, 0xa0, 0xfd, 0x40} \
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}
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class nsIRunnable : public nsISupports
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{
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_IRUNNABLE_IID);
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NS_IMETHOD Run() = 0;
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};
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////////////////////////////////////////////////////////////////////////////////
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#define NS_ITHREAD_IID \
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{ /* ecbb89e0-0d6b-11d3-9331-00104ba0fd40 */ \
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0xecbb89e0, \
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0x0d6b, \
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0x11d3, \
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{0x93, 0x31, 0x00, 0x10, 0x4b, 0xa0, 0xfd, 0x40} \
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}
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class nsIThread : public nsISupports
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{
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_ITHREAD_IID);
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// returns the nsIThread for the current thread:
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static NS_COM nsresult GetCurrent(nsIThread* *result);
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// returns the nsIThread for an arbitrary PRThread:
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static NS_COM nsresult GetIThread(PRThread* prthread, nsIThread* *result);
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// initializes the "main" thread (really, just saves the current thread
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// at time of calling. meant to be called once at app startup, in lieu
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// of proper static initializers, to save the primordial thread
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// for later recall.)
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static NS_COM nsresult SetMainThread();
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// return the "main" thread
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static NS_COM nsresult GetMainThread(nsIThread **result);
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NS_IMETHOD Join() = 0;
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NS_IMETHOD GetPriority(PRThreadPriority *result) = 0;
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NS_IMETHOD SetPriority(PRThreadPriority value) = 0;
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NS_IMETHOD Interrupt() = 0;
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NS_IMETHOD GetScope(PRThreadScope *result) = 0;
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NS_IMETHOD GetState(PRThreadState *result) = 0;
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NS_IMETHOD GetPRThread(PRThread* *result) = 0;
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};
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extern NS_COM nsresult
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NS_NewThread(nsIThread* *result,
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nsIRunnable* runnable,
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PRUint32 stackSize = 0,
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PRThreadPriority priority = PR_PRIORITY_NORMAL,
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PRThreadScope scope = PR_GLOBAL_THREAD,
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PRThreadState state = PR_JOINABLE_THREAD);
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////////////////////////////////////////////////////////////////////////////////
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#define NS_ITHREADPOOL_IID \
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{ /* 074d0170-0d6c-11d3-9331-00104ba0fd40 */ \
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0x074d0170, \
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0x0d6c, \
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0x11d3, \
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{0x93, 0x31, 0x00, 0x10, 0x4b, 0xa0, 0xfd, 0x40} \
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}
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/**
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* A thread pool is used to create a group of worker threads that
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* share in the servicing of requests. Requests are run in the
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* context of the worker thread.
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*/
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class nsIThreadPool : public nsISupports
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{
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_ITHREADPOOL_IID);
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NS_IMETHOD DispatchRequest(nsIRunnable* runnable) = 0;
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NS_IMETHOD ProcessPendingRequests() = 0;
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NS_IMETHOD Shutdown() = 0;
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};
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extern NS_COM nsresult
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NS_NewThreadPool(nsIThreadPool* *result,
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PRUint32 minThreads, PRUint32 maxThreads,
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PRUint32 stackSize = 0,
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PRThreadPriority priority = PR_PRIORITY_NORMAL,
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PRThreadScope scope = PR_GLOBAL_THREAD);
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////////////////////////////////////////////////////////////////////////////////
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#endif // nsIThread_h__
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