зеркало из https://github.com/mozilla/pjs.git
Added nsIThread and nsIThreadPool.
This commit is contained in:
warren%netscape.com
Родитель
2f272f4af6
Коммит
8bf75dfb46
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@ -31,6 +31,7 @@ EXPORTS = \
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nsIFileStream.h \
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nsIString.h \
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nsIStringStream.h \
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nsIThread.h \
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nsSpecialSystemDirectory.h \
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$(NULL)
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@ -0,0 +1,119 @@
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/* -*- 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
|
||||
* compliance with the NPL. You may obtain a copy of the NPL at
|
||||
* 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
|
||||
* for the specific language governing rights and limitations under the
|
||||
* 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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// XXX regenerate:
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#define NS_IRUNNABLE_IID \
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{ /* 677d9a90-93ee-11d2-816a-006008119d7a */ \
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0x677d9a90, \
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0x93ee, \
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0x11d2, \
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{0x81, 0x6a, 0x00, 0x60, 0x19, 0x11, 0x9d, 0x7a} \
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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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// XXX regenerate:
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#define NS_ITHREAD_IID \
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{ /* 677d9a90-93ee-11d2-816a-006008119d7a */ \
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0x677d9a90, \
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0x93ee, \
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0x11d2, \
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{0x81, 0x6a, 0x00, 0x60, 0x29, 0x11, 0x9d, 0x7a} \
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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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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 GetType(PRThreadType *result) = 0;
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NS_IMETHOD GetState(PRThreadState *result) = 0;
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};
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extern NS_BASE 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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PRThreadType type = PR_USER_THREAD,
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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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// XXX regenerate:
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#define NS_ITHREADPOOL_IID \
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{ /* 677d9a90-93ee-11d2-816a-006008119d7a */ \
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0x677d9a90, \
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0x93ee, \
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0x11d2, \
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{0x81, 0x6a, 0x00, 0x60, 0x39, 0x11, 0x9d, 0x7a} \
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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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};
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extern NS_BASE 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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PRThreadType type = PR_USER_THREAD,
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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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#endif // nsIThread_h__
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@ -44,8 +44,9 @@ CPPSRCS = \
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nsFileStream.cpp \
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nsStringStream.cpp \
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nsEscape.cpp \
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nsIFileStream.cpp \
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nsSpecialSystemDirectory.cpp \
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nsIFileStream.cpp \
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nsThread.cpp \
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nsSpecialSystemDirectory.cpp \
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$(NULL)
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CPP_OBJS = \
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@ -68,9 +69,10 @@ CPP_OBJS = \
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.\$(OBJDIR)\nsFileSpec.obj \
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.\$(OBJDIR)\nsFileStream.obj \
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.\$(OBJDIR)\nsEscape.obj \
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.\$(OBJDIR)\nsIFileStream.obj \
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.\$(OBJDIR)\nsIStringStream.obj \
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.\$(OBJDIR)\nsSpecialSystemDirectory.obj \
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.\$(OBJDIR)\nsIFileStream.obj \
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.\$(OBJDIR)\nsThread.obj \
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.\$(OBJDIR)\nsIStringStream.obj \
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.\$(OBJDIR)\nsSpecialSystemDirectory.obj \
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$(NULL)
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EXPORTS=nscore.h nsIArena.h nsIAtom.h nsIByteBuffer.h \
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@ -0,0 +1,285 @@
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
|
||||
* The contents of this file are subject to the Netscape Public License
|
||||
* Version 1.0 (the "NPL"); you may not use this file except in
|
||||
* compliance with the NPL. You may obtain a copy of the NPL at
|
||||
* http://www.mozilla.org/NPL/
|
||||
*
|
||||
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
||||
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
||||
* for the specific language governing rights and limitations under the
|
||||
* NPL.
|
||||
*
|
||||
* The Initial Developer of this code under the NPL is Netscape
|
||||
* Communications Corporation. Portions created by Netscape are
|
||||
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
||||
* Reserved.
|
||||
*/
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#include "nsThread.h"
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#include "prmem.h"
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////////////////////////////////////////////////////////////////////////////////
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nsThread::nsThread()
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: mThread(nsnull), mRunnable(nsnull)
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{
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NS_INIT_REFCNT();
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}
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nsresult
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nsThread::Init(nsIRunnable* runnable,
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PRUint32 stackSize,
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PRThreadType type,
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PRThreadPriority priority,
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PRThreadScope scope,
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PRThreadState state)
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{
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mRunnable = runnable;
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NS_ADDREF(mRunnable);
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mThread = PR_CreateThread(type, Main, this,
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priority, scope, PR_JOINABLE_THREAD, stackSize);
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if (mThread == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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return NS_OK;
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}
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nsThread::~nsThread()
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{
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if (mThread) {
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PRStatus status = PR_SUCCESS;
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status = PR_Interrupt(mThread);
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NS_ASSERTION(status == PR_SUCCESS, "failed to interrupt worker");
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status = PR_JoinThread(mThread);
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NS_ASSERTION(status == PR_SUCCESS, "failed to join with worker");
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PR_Free(mThread); // XXX right?
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mThread = nsnull;
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}
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}
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void
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nsThread::Main(void* arg)
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{
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nsThread* self = (nsThread*)arg;
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nsresult rv = NS_OK;
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rv = self->mRunnable->Run();
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NS_ASSERTION(NS_SUCCEEDED(rv), "runnable failed");
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}
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NS_IMPL_ISUPPORTS(nsThread, nsIThread::GetIID());
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NS_IMETHODIMP
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nsThread::Join()
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{
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PRStatus status = PR_JoinThread(mThread);
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return status == PR_SUCCESS ? NS_OK : NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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nsThread::GetPriority(PRThreadPriority *result)
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{
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*result = PR_GetThreadPriority(mThread);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsThread::SetPriority(PRThreadPriority value)
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{
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PR_SetThreadPriority(mThread, value);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsThread::Interrupt()
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{
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PRStatus status = PR_Interrupt(mThread);
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return status == PR_SUCCESS ? NS_OK : NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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nsThread::GetScope(PRThreadScope *result)
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{
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*result = PR_GetThreadScope(mThread);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsThread::GetType(PRThreadType *result)
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{
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*result = PR_GetThreadType(mThread);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsThread::GetState(PRThreadState *result)
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{
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*result = PR_GetThreadState(mThread);
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return NS_OK;
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}
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NS_BASE nsresult
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NS_NewThread(nsIThread* *result,
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nsIRunnable* runnable,
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PRUint32 stackSize,
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PRThreadType type,
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PRThreadPriority priority,
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PRThreadScope scope,
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PRThreadState state)
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{
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nsresult rv;
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nsThread* thread = new nsThread();
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if (thread == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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rv = thread->Init(runnable, stackSize, type, priority, scope, state);
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if (NS_FAILED(rv)) {
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delete thread;
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return rv;
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}
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NS_ADDREF(thread);
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*result = thread;
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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nsThreadPool::nsThreadPool(PRUint32 minThreads, PRUint32 maxThreads)
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: mThreads(nsnull), mRequests(nsnull),
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mMinThreads(minThreads), mMaxThreads(maxThreads)
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{
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NS_INIT_REFCNT();
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}
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nsresult
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nsThreadPool::Init(PRUint32 stackSize,
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PRThreadType type,
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PRThreadPriority priority,
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PRThreadScope scope,
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PRThreadState state)
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{
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nsresult rv;
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rv = NS_NewISupportsArray(&mThreads);
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if (NS_FAILED(rv)) return rv;
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rv = NS_NewISupportsArray(&mRequests);
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if (NS_FAILED(rv)) return rv;
|
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|
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for (PRUint32 i = 0; i < mMinThreads; i++) {
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nsThreadPoolRunnable* runnable =
|
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new nsThreadPoolRunnable(this);
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if (runnable == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
|
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NS_ADDREF(runnable);
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|
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nsIThread* thread;
|
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rv = NS_NewThread(&thread, runnable, stackSize, type,
|
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priority, scope, state);
|
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NS_RELEASE(runnable);
|
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if (NS_FAILED(rv)) return rv;
|
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|
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rv = mThreads->AppendElement(thread);
|
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NS_RELEASE(thread);
|
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if (NS_FAILED(rv)) return rv;
|
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}
|
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return NS_OK;
|
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}
|
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|
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nsThreadPool::~nsThreadPool()
|
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{
|
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NS_RELEASE(mThreads);
|
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NS_RELEASE(mRequests);
|
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}
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|
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NS_IMPL_ISUPPORTS(nsThreadPool, nsIThreadPool::GetIID());
|
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|
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NS_IMETHODIMP
|
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nsThreadPool::DispatchRequest(nsIRunnable* runnable)
|
||||
{
|
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nsresult rv;
|
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PR_CEnterMonitor(this);
|
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|
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rv = mRequests->AppendElement(runnable);
|
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if (NS_SUCCEEDED(rv))
|
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PR_CNotify(this);
|
||||
|
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PR_CExitMonitor(this);
|
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return rv;
|
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}
|
||||
|
||||
nsIRunnable*
|
||||
nsThreadPool::Dequeue()
|
||||
{
|
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PR_CEnterMonitor(this);
|
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|
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NS_ASSERTION(mRequests->Count() > 0, "request queue out of sync");
|
||||
nsIRunnable* request = (nsIRunnable*)(*mRequests)[0];
|
||||
PRBool removed = mRequests->RemoveElementAt(0);
|
||||
NS_ASSERTION(removed, "nsISupportsArray broken");
|
||||
|
||||
PR_CExitMonitor(this);
|
||||
return request;
|
||||
}
|
||||
|
||||
NS_BASE nsresult
|
||||
NS_NewThreadPool(nsIThreadPool* *result,
|
||||
PRUint32 minThreads, PRUint32 maxThreads,
|
||||
PRUint32 stackSize,
|
||||
PRThreadType type,
|
||||
PRThreadPriority priority,
|
||||
PRThreadScope scope,
|
||||
PRThreadState state)
|
||||
{
|
||||
nsresult rv;
|
||||
nsThreadPool* pool = new nsThreadPool(minThreads, maxThreads);
|
||||
if (pool == nsnull)
|
||||
return NS_ERROR_OUT_OF_MEMORY;
|
||||
|
||||
rv = pool->Init(stackSize, type, priority, scope, state);
|
||||
if (NS_FAILED(rv)) {
|
||||
delete pool;
|
||||
return rv;
|
||||
}
|
||||
|
||||
NS_ADDREF(pool);
|
||||
*result = pool;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
nsThreadPoolRunnable::nsThreadPoolRunnable(nsThreadPool* pool)
|
||||
: mPool(pool)
|
||||
{
|
||||
NS_INIT_REFCNT();
|
||||
NS_ADDREF(mPool);
|
||||
}
|
||||
|
||||
nsThreadPoolRunnable::~nsThreadPoolRunnable()
|
||||
{
|
||||
NS_RELEASE(mPool);
|
||||
}
|
||||
|
||||
NS_IMPL_ISUPPORTS(nsThreadPoolRunnable, nsIRunnable::GetIID());
|
||||
|
||||
NS_IMETHODIMP
|
||||
nsThreadPoolRunnable::Run()
|
||||
{
|
||||
PR_CEnterMonitor(mPool);
|
||||
while (PR_TRUE) {
|
||||
PRStatus status = PR_CWait(mPool, PR_INTERVAL_NO_TIMEOUT);
|
||||
if (status != PR_SUCCESS) break; // interrupted -- quit
|
||||
|
||||
nsIRunnable* runnable = mPool->Dequeue();
|
||||
|
||||
nsresult rv = NS_OK;
|
||||
rv = runnable->Run();
|
||||
NS_ASSERTION(NS_SUCCEEDED(rv), "runnable failed");
|
||||
}
|
||||
PR_CExitMonitor(mPool);
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
|
@ -0,0 +1,105 @@
|
|||
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
||||
/*
|
||||
* The contents of this file are subject to the Netscape Public License
|
||||
* Version 1.0 (the "NPL"); you may not use this file except in
|
||||
* compliance with the NPL. You may obtain a copy of the NPL at
|
||||
* http://www.mozilla.org/NPL/
|
||||
*
|
||||
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
||||
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
||||
* for the specific language governing rights and limitations under the
|
||||
* NPL.
|
||||
*
|
||||
* The Initial Developer of this code under the NPL is Netscape
|
||||
* Communications Corporation. Portions created by Netscape are
|
||||
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
||||
* Reserved.
|
||||
*/
|
||||
|
||||
#ifndef nsThread_h__
|
||||
#define nsThread_h__
|
||||
|
||||
#include "nsIThread.h"
|
||||
#include "nsISupportsArray.h"
|
||||
|
||||
class nsThread : public nsIThread
|
||||
{
|
||||
public:
|
||||
NS_DECL_ISUPPORTS
|
||||
|
||||
// nsIThread methods:
|
||||
NS_IMETHOD Join();
|
||||
NS_IMETHOD GetPriority(PRThreadPriority *result);
|
||||
NS_IMETHOD SetPriority(PRThreadPriority value);
|
||||
NS_IMETHOD Interrupt();
|
||||
NS_IMETHOD GetScope(PRThreadScope *result);
|
||||
NS_IMETHOD GetType(PRThreadType *result);
|
||||
NS_IMETHOD GetState(PRThreadState *result);
|
||||
|
||||
// nsThread methods:
|
||||
nsThread();
|
||||
virtual ~nsThread();
|
||||
|
||||
nsresult Init(nsIRunnable* runnable,
|
||||
PRUint32 stackSize,
|
||||
PRThreadType type,
|
||||
PRThreadPriority priority,
|
||||
PRThreadScope scope,
|
||||
PRThreadState state);
|
||||
static void Main(void* arg);
|
||||
|
||||
protected:
|
||||
PRThread* mThread;
|
||||
nsIRunnable* mRunnable;
|
||||
};
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
class nsThreadPool : public nsIThreadPool
|
||||
{
|
||||
public:
|
||||
NS_DECL_ISUPPORTS
|
||||
|
||||
// nsIThreadPool methods:
|
||||
NS_IMETHOD DispatchRequest(nsIRunnable* runnable);
|
||||
|
||||
// nsThreadPool methods:
|
||||
nsThreadPool(PRUint32 minThreads, PRUint32 maxThreads);
|
||||
virtual ~nsThreadPool();
|
||||
|
||||
nsresult Init(PRUint32 stackSize,
|
||||
PRThreadType type,
|
||||
PRThreadPriority priority,
|
||||
PRThreadScope scope,
|
||||
PRThreadState state);
|
||||
nsIRunnable* Dequeue();
|
||||
|
||||
protected:
|
||||
nsISupportsArray* mThreads;
|
||||
nsISupportsArray* mRequests;
|
||||
PRUint32 mMinThreads;
|
||||
PRUint32 mMaxThreads;
|
||||
};
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
class nsThreadPoolRunnable : public nsIRunnable
|
||||
{
|
||||
public:
|
||||
NS_DECL_ISUPPORTS
|
||||
|
||||
// nsIRunnable methods:
|
||||
NS_IMETHOD Run();
|
||||
|
||||
// nsThreadPoolRunnable methods:
|
||||
nsThreadPoolRunnable(nsThreadPool* pool);
|
||||
virtual ~nsThreadPoolRunnable();
|
||||
|
||||
protected:
|
||||
nsThreadPool* mPool;
|
||||
|
||||
};
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#endif // nsThread_h__
|
||||
|
|
@ -0,0 +1,119 @@
|
|||
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
||||
/*
|
||||
* The contents of this file are subject to the Netscape Public License
|
||||
* Version 1.0 (the "NPL"); you may not use this file except in
|
||||
* compliance with the NPL. You may obtain a copy of the NPL at
|
||||
* http://www.mozilla.org/NPL/
|
||||
*
|
||||
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
||||
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
||||
* for the specific language governing rights and limitations under the
|
||||
* NPL.
|
||||
*
|
||||
* The Initial Developer of this code under the NPL is Netscape
|
||||
* Communications Corporation. Portions created by Netscape are
|
||||
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
||||
* Reserved.
|
||||
*/
|
||||
|
||||
#ifndef nsIThread_h__
|
||||
#define nsIThread_h__
|
||||
|
||||
#include "nsISupports.h"
|
||||
#include "prthread.h"
|
||||
#include "nscore.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
// XXX regenerate:
|
||||
#define NS_IRUNNABLE_IID \
|
||||
{ /* 677d9a90-93ee-11d2-816a-006008119d7a */ \
|
||||
0x677d9a90, \
|
||||
0x93ee, \
|
||||
0x11d2, \
|
||||
{0x81, 0x6a, 0x00, 0x60, 0x19, 0x11, 0x9d, 0x7a} \
|
||||
}
|
||||
|
||||
class nsIRunnable : public nsISupports
|
||||
{
|
||||
public:
|
||||
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IRUNNABLE_IID);
|
||||
|
||||
NS_IMETHOD Run() = 0;
|
||||
|
||||
};
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
// XXX regenerate:
|
||||
#define NS_ITHREAD_IID \
|
||||
{ /* 677d9a90-93ee-11d2-816a-006008119d7a */ \
|
||||
0x677d9a90, \
|
||||
0x93ee, \
|
||||
0x11d2, \
|
||||
{0x81, 0x6a, 0x00, 0x60, 0x29, 0x11, 0x9d, 0x7a} \
|
||||
}
|
||||
|
||||
class nsIThread : public nsISupports
|
||||
{
|
||||
public:
|
||||
NS_DEFINE_STATIC_IID_ACCESSOR(NS_ITHREAD_IID);
|
||||
|
||||
NS_IMETHOD Join() = 0;
|
||||
|
||||
NS_IMETHOD GetPriority(PRThreadPriority *result) = 0;
|
||||
NS_IMETHOD SetPriority(PRThreadPriority value) = 0;
|
||||
|
||||
NS_IMETHOD Interrupt() = 0;
|
||||
|
||||
NS_IMETHOD GetScope(PRThreadScope *result) = 0;
|
||||
NS_IMETHOD GetType(PRThreadType *result) = 0;
|
||||
NS_IMETHOD GetState(PRThreadState *result) = 0;
|
||||
|
||||
};
|
||||
|
||||
extern NS_BASE nsresult
|
||||
NS_NewThread(nsIThread* *result,
|
||||
nsIRunnable* runnable,
|
||||
PRUint32 stackSize = 0,
|
||||
PRThreadType type = PR_USER_THREAD,
|
||||
PRThreadPriority priority = PR_PRIORITY_NORMAL,
|
||||
PRThreadScope scope = PR_GLOBAL_THREAD,
|
||||
PRThreadState state = PR_JOINABLE_THREAD);
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
// XXX regenerate:
|
||||
#define NS_ITHREADPOOL_IID \
|
||||
{ /* 677d9a90-93ee-11d2-816a-006008119d7a */ \
|
||||
0x677d9a90, \
|
||||
0x93ee, \
|
||||
0x11d2, \
|
||||
{0x81, 0x6a, 0x00, 0x60, 0x39, 0x11, 0x9d, 0x7a} \
|
||||
}
|
||||
|
||||
/**
|
||||
* A thread pool is used to create a group of worker threads that
|
||||
* share in the servicing of requests. Requests are run in the
|
||||
* context of the worker thread.
|
||||
*/
|
||||
class nsIThreadPool : public nsISupports
|
||||
{
|
||||
public:
|
||||
NS_DEFINE_STATIC_IID_ACCESSOR(NS_ITHREADPOOL_IID);
|
||||
|
||||
NS_IMETHOD DispatchRequest(nsIRunnable* runnable) = 0;
|
||||
};
|
||||
|
||||
extern NS_BASE nsresult
|
||||
NS_NewThreadPool(nsIThreadPool* *result,
|
||||
PRUint32 minThreads, PRUint32 maxThreads,
|
||||
PRUint32 stackSize = 0,
|
||||
PRThreadType type = PR_USER_THREAD,
|
||||
PRThreadPriority priority = PR_PRIORITY_NORMAL,
|
||||
PRThreadScope scope = PR_GLOBAL_THREAD,
|
||||
PRThreadState state = PR_JOINABLE_THREAD);
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#endif // nsIThread_h__
|
||||
|
|
@ -0,0 +1,285 @@
|
|||
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
||||
/*
|
||||
* The contents of this file are subject to the Netscape Public License
|
||||
* Version 1.0 (the "NPL"); you may not use this file except in
|
||||
* compliance with the NPL. You may obtain a copy of the NPL at
|
||||
* http://www.mozilla.org/NPL/
|
||||
*
|
||||
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
||||
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
||||
* for the specific language governing rights and limitations under the
|
||||
* NPL.
|
||||
*
|
||||
* The Initial Developer of this code under the NPL is Netscape
|
||||
* Communications Corporation. Portions created by Netscape are
|
||||
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
||||
* Reserved.
|
||||
*/
|
||||
|
||||
#include "nsThread.h"
|
||||
#include "prmem.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
nsThread::nsThread()
|
||||
: mThread(nsnull), mRunnable(nsnull)
|
||||
{
|
||||
NS_INIT_REFCNT();
|
||||
}
|
||||
|
||||
nsresult
|
||||
nsThread::Init(nsIRunnable* runnable,
|
||||
PRUint32 stackSize,
|
||||
PRThreadType type,
|
||||
PRThreadPriority priority,
|
||||
PRThreadScope scope,
|
||||
PRThreadState state)
|
||||
{
|
||||
mRunnable = runnable;
|
||||
NS_ADDREF(mRunnable);
|
||||
|
||||
mThread = PR_CreateThread(type, Main, this,
|
||||
priority, scope, PR_JOINABLE_THREAD, stackSize);
|
||||
if (mThread == nsnull)
|
||||
return NS_ERROR_OUT_OF_MEMORY;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
nsThread::~nsThread()
|
||||
{
|
||||
if (mThread) {
|
||||
PRStatus status = PR_SUCCESS;
|
||||
status = PR_Interrupt(mThread);
|
||||
NS_ASSERTION(status == PR_SUCCESS, "failed to interrupt worker");
|
||||
status = PR_JoinThread(mThread);
|
||||
NS_ASSERTION(status == PR_SUCCESS, "failed to join with worker");
|
||||
PR_Free(mThread); // XXX right?
|
||||
mThread = nsnull;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
nsThread::Main(void* arg)
|
||||
{
|
||||
nsThread* self = (nsThread*)arg;
|
||||
nsresult rv = NS_OK;
|
||||
rv = self->mRunnable->Run();
|
||||
NS_ASSERTION(NS_SUCCEEDED(rv), "runnable failed");
|
||||
}
|
||||
|
||||
NS_IMPL_ISUPPORTS(nsThread, nsIThread::GetIID());
|
||||
|
||||
NS_IMETHODIMP
|
||||
nsThread::Join()
|
||||
{
|
||||
PRStatus status = PR_JoinThread(mThread);
|
||||
return status == PR_SUCCESS ? NS_OK : NS_ERROR_FAILURE;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
nsThread::GetPriority(PRThreadPriority *result)
|
||||
{
|
||||
*result = PR_GetThreadPriority(mThread);
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
nsThread::SetPriority(PRThreadPriority value)
|
||||
{
|
||||
PR_SetThreadPriority(mThread, value);
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
nsThread::Interrupt()
|
||||
{
|
||||
PRStatus status = PR_Interrupt(mThread);
|
||||
return status == PR_SUCCESS ? NS_OK : NS_ERROR_FAILURE;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
nsThread::GetScope(PRThreadScope *result)
|
||||
{
|
||||
*result = PR_GetThreadScope(mThread);
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
nsThread::GetType(PRThreadType *result)
|
||||
{
|
||||
*result = PR_GetThreadType(mThread);
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
nsThread::GetState(PRThreadState *result)
|
||||
{
|
||||
*result = PR_GetThreadState(mThread);
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_BASE nsresult
|
||||
NS_NewThread(nsIThread* *result,
|
||||
nsIRunnable* runnable,
|
||||
PRUint32 stackSize,
|
||||
PRThreadType type,
|
||||
PRThreadPriority priority,
|
||||
PRThreadScope scope,
|
||||
PRThreadState state)
|
||||
{
|
||||
nsresult rv;
|
||||
nsThread* thread = new nsThread();
|
||||
if (thread == nsnull)
|
||||
return NS_ERROR_OUT_OF_MEMORY;
|
||||
|
||||
rv = thread->Init(runnable, stackSize, type, priority, scope, state);
|
||||
if (NS_FAILED(rv)) {
|
||||
delete thread;
|
||||
return rv;
|
||||
}
|
||||
|
||||
NS_ADDREF(thread);
|
||||
*result = thread;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
nsThreadPool::nsThreadPool(PRUint32 minThreads, PRUint32 maxThreads)
|
||||
: mThreads(nsnull), mRequests(nsnull),
|
||||
mMinThreads(minThreads), mMaxThreads(maxThreads)
|
||||
{
|
||||
NS_INIT_REFCNT();
|
||||
}
|
||||
|
||||
nsresult
|
||||
nsThreadPool::Init(PRUint32 stackSize,
|
||||
PRThreadType type,
|
||||
PRThreadPriority priority,
|
||||
PRThreadScope scope,
|
||||
PRThreadState state)
|
||||
{
|
||||
nsresult rv;
|
||||
|
||||
rv = NS_NewISupportsArray(&mThreads);
|
||||
if (NS_FAILED(rv)) return rv;
|
||||
|
||||
rv = NS_NewISupportsArray(&mRequests);
|
||||
if (NS_FAILED(rv)) return rv;
|
||||
|
||||
for (PRUint32 i = 0; i < mMinThreads; i++) {
|
||||
nsThreadPoolRunnable* runnable =
|
||||
new nsThreadPoolRunnable(this);
|
||||
if (runnable == nsnull)
|
||||
return NS_ERROR_OUT_OF_MEMORY;
|
||||
NS_ADDREF(runnable);
|
||||
|
||||
nsIThread* thread;
|
||||
rv = NS_NewThread(&thread, runnable, stackSize, type,
|
||||
priority, scope, state);
|
||||
NS_RELEASE(runnable);
|
||||
if (NS_FAILED(rv)) return rv;
|
||||
|
||||
rv = mThreads->AppendElement(thread);
|
||||
NS_RELEASE(thread);
|
||||
if (NS_FAILED(rv)) return rv;
|
||||
}
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
nsThreadPool::~nsThreadPool()
|
||||
{
|
||||
NS_RELEASE(mThreads);
|
||||
NS_RELEASE(mRequests);
|
||||
}
|
||||
|
||||
NS_IMPL_ISUPPORTS(nsThreadPool, nsIThreadPool::GetIID());
|
||||
|
||||
NS_IMETHODIMP
|
||||
nsThreadPool::DispatchRequest(nsIRunnable* runnable)
|
||||
{
|
||||
nsresult rv;
|
||||
PR_CEnterMonitor(this);
|
||||
|
||||
rv = mRequests->AppendElement(runnable);
|
||||
if (NS_SUCCEEDED(rv))
|
||||
PR_CNotify(this);
|
||||
|
||||
PR_CExitMonitor(this);
|
||||
return rv;
|
||||
}
|
||||
|
||||
nsIRunnable*
|
||||
nsThreadPool::Dequeue()
|
||||
{
|
||||
PR_CEnterMonitor(this);
|
||||
|
||||
NS_ASSERTION(mRequests->Count() > 0, "request queue out of sync");
|
||||
nsIRunnable* request = (nsIRunnable*)(*mRequests)[0];
|
||||
PRBool removed = mRequests->RemoveElementAt(0);
|
||||
NS_ASSERTION(removed, "nsISupportsArray broken");
|
||||
|
||||
PR_CExitMonitor(this);
|
||||
return request;
|
||||
}
|
||||
|
||||
NS_BASE nsresult
|
||||
NS_NewThreadPool(nsIThreadPool* *result,
|
||||
PRUint32 minThreads, PRUint32 maxThreads,
|
||||
PRUint32 stackSize,
|
||||
PRThreadType type,
|
||||
PRThreadPriority priority,
|
||||
PRThreadScope scope,
|
||||
PRThreadState state)
|
||||
{
|
||||
nsresult rv;
|
||||
nsThreadPool* pool = new nsThreadPool(minThreads, maxThreads);
|
||||
if (pool == nsnull)
|
||||
return NS_ERROR_OUT_OF_MEMORY;
|
||||
|
||||
rv = pool->Init(stackSize, type, priority, scope, state);
|
||||
if (NS_FAILED(rv)) {
|
||||
delete pool;
|
||||
return rv;
|
||||
}
|
||||
|
||||
NS_ADDREF(pool);
|
||||
*result = pool;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
nsThreadPoolRunnable::nsThreadPoolRunnable(nsThreadPool* pool)
|
||||
: mPool(pool)
|
||||
{
|
||||
NS_INIT_REFCNT();
|
||||
NS_ADDREF(mPool);
|
||||
}
|
||||
|
||||
nsThreadPoolRunnable::~nsThreadPoolRunnable()
|
||||
{
|
||||
NS_RELEASE(mPool);
|
||||
}
|
||||
|
||||
NS_IMPL_ISUPPORTS(nsThreadPoolRunnable, nsIRunnable::GetIID());
|
||||
|
||||
NS_IMETHODIMP
|
||||
nsThreadPoolRunnable::Run()
|
||||
{
|
||||
PR_CEnterMonitor(mPool);
|
||||
while (PR_TRUE) {
|
||||
PRStatus status = PR_CWait(mPool, PR_INTERVAL_NO_TIMEOUT);
|
||||
if (status != PR_SUCCESS) break; // interrupted -- quit
|
||||
|
||||
nsIRunnable* runnable = mPool->Dequeue();
|
||||
|
||||
nsresult rv = NS_OK;
|
||||
rv = runnable->Run();
|
||||
NS_ASSERTION(NS_SUCCEEDED(rv), "runnable failed");
|
||||
}
|
||||
PR_CExitMonitor(mPool);
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
|
@ -0,0 +1,105 @@
|
|||
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
||||
/*
|
||||
* The contents of this file are subject to the Netscape Public License
|
||||
* Version 1.0 (the "NPL"); you may not use this file except in
|
||||
* compliance with the NPL. You may obtain a copy of the NPL at
|
||||
* http://www.mozilla.org/NPL/
|
||||
*
|
||||
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
||||
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
||||
* for the specific language governing rights and limitations under the
|
||||
* NPL.
|
||||
*
|
||||
* The Initial Developer of this code under the NPL is Netscape
|
||||
* Communications Corporation. Portions created by Netscape are
|
||||
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
||||
* Reserved.
|
||||
*/
|
||||
|
||||
#ifndef nsThread_h__
|
||||
#define nsThread_h__
|
||||
|
||||
#include "nsIThread.h"
|
||||
#include "nsISupportsArray.h"
|
||||
|
||||
class nsThread : public nsIThread
|
||||
{
|
||||
public:
|
||||
NS_DECL_ISUPPORTS
|
||||
|
||||
// nsIThread methods:
|
||||
NS_IMETHOD Join();
|
||||
NS_IMETHOD GetPriority(PRThreadPriority *result);
|
||||
NS_IMETHOD SetPriority(PRThreadPriority value);
|
||||
NS_IMETHOD Interrupt();
|
||||
NS_IMETHOD GetScope(PRThreadScope *result);
|
||||
NS_IMETHOD GetType(PRThreadType *result);
|
||||
NS_IMETHOD GetState(PRThreadState *result);
|
||||
|
||||
// nsThread methods:
|
||||
nsThread();
|
||||
virtual ~nsThread();
|
||||
|
||||
nsresult Init(nsIRunnable* runnable,
|
||||
PRUint32 stackSize,
|
||||
PRThreadType type,
|
||||
PRThreadPriority priority,
|
||||
PRThreadScope scope,
|
||||
PRThreadState state);
|
||||
static void Main(void* arg);
|
||||
|
||||
protected:
|
||||
PRThread* mThread;
|
||||
nsIRunnable* mRunnable;
|
||||
};
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
class nsThreadPool : public nsIThreadPool
|
||||
{
|
||||
public:
|
||||
NS_DECL_ISUPPORTS
|
||||
|
||||
// nsIThreadPool methods:
|
||||
NS_IMETHOD DispatchRequest(nsIRunnable* runnable);
|
||||
|
||||
// nsThreadPool methods:
|
||||
nsThreadPool(PRUint32 minThreads, PRUint32 maxThreads);
|
||||
virtual ~nsThreadPool();
|
||||
|
||||
nsresult Init(PRUint32 stackSize,
|
||||
PRThreadType type,
|
||||
PRThreadPriority priority,
|
||||
PRThreadScope scope,
|
||||
PRThreadState state);
|
||||
nsIRunnable* Dequeue();
|
||||
|
||||
protected:
|
||||
nsISupportsArray* mThreads;
|
||||
nsISupportsArray* mRequests;
|
||||
PRUint32 mMinThreads;
|
||||
PRUint32 mMaxThreads;
|
||||
};
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
class nsThreadPoolRunnable : public nsIRunnable
|
||||
{
|
||||
public:
|
||||
NS_DECL_ISUPPORTS
|
||||
|
||||
// nsIRunnable methods:
|
||||
NS_IMETHOD Run();
|
||||
|
||||
// nsThreadPoolRunnable methods:
|
||||
nsThreadPoolRunnable(nsThreadPool* pool);
|
||||
virtual ~nsThreadPoolRunnable();
|
||||
|
||||
protected:
|
||||
nsThreadPool* mPool;
|
||||
|
||||
};
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#endif // nsThread_h__
|
||||
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