Replaced use of while(isRunning()) { YieldCurrentThread(); } style loops with use of join() to avoid false positives being reported by valgrind when using the helgrind tool for thread debugging.

git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14460 16af8721-9629-0410-8352-f15c8da7e697
This commit is contained in:
Robert Osfield
2014-11-04 10:46:59 +00:00
parent 997ee30039
commit 28a676e105
17 changed files with 195 additions and 233 deletions

View File

@@ -456,6 +456,10 @@ Thread::~Thread()
// Kill the thread when it is destructed
//
cancel();
// wait till the thread is stopped before finishing.
join();
}
delete pd;

View File

@@ -1,13 +1,13 @@
/* -*-c++-*- OpenThreads library, Copyright (C) 2002 - 2007 The Open Thread Group
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
@@ -54,7 +54,7 @@ int Thread::GetConcurrency()
Thread::Thread()
{
if (!s_isInitialized) Init();
QtThreadPrivateData* pd = new QtThreadPrivateData(this);
pd->isRunning = false;
pd->detached = false;
@@ -65,7 +65,7 @@ Thread::Thread()
pd->stackSize = 0;
pd->threadPolicy = Thread::THREAD_SCHEDULE_DEFAULT;
pd->threadPriority = Thread::THREAD_PRIORITY_DEFAULT;
_prvData = static_cast<void*>(pd);
}
@@ -82,6 +82,8 @@ Thread::~Thread()
{
std::cout<<"Error: Thread "<< this <<" still running in destructor"<<std::endl;
cancel();
join();
}
delete pd;
_prvData = 0;
@@ -90,7 +92,7 @@ Thread::~Thread()
Thread* Thread::CurrentThread()
{
if (!s_isInitialized) Thread::Init();
QtThreadPrivateData* pd = static_cast<QtThreadPrivateData*>(QThread::currentThread());
return (pd ? pd->getMasterThread() : 0);
}
@@ -151,10 +153,10 @@ int Thread::start()
{
QtThreadPrivateData* pd = static_cast<QtThreadPrivateData*>(_prvData);
pd->threadStartedBlock.reset();
pd->setStackSize( pd->stackSize );
pd->start();
// wait till the thread has actually started.
pd->threadStartedBlock.block();
return 0;
@@ -209,13 +211,13 @@ int Thread::testCancel()
QtThreadPrivateData* pd = static_cast<QtThreadPrivateData*>(_prvData);
if (!pd->cancelled)
return 0;
if (pd->cancelMode == 2)
return -1;
if (pd!=QThread::currentThread())
return -1;
throw QtThreadCanceled();
}
@@ -232,7 +234,7 @@ int Thread::cancel()
{
if (pd->cancelMode == 2)
return -1;
pd->cancelled = true;
if (pd->cancelMode == 1)
{
@@ -294,7 +296,7 @@ int Thread::setSchedulePriority(ThreadPriority priority)
{
QtThreadPrivateData* pd = static_cast<QtThreadPrivateData*>(_prvData);
pd->threadPriority = priority;
if (pd->isRunning)
pd->applyPriority();
return 0;
@@ -374,7 +376,7 @@ int Thread::setProcessorAffinity(unsigned int cpunum)
QtThreadPrivateData* pd = static_cast<QtThreadPrivateData*>(_prvData);
pd->cpunum = cpunum;
if (!pd->isRunning) return 0;
// FIXME:
// Qt doesn't have a platform-independent thread affinity method at present.
// Does it automatically configure threads on different processors, or we have to do it ourselves?
@@ -391,7 +393,7 @@ void Thread::printSchedulingInfo()
{
QtThreadPrivateData* pd = static_cast<QtThreadPrivateData*>(_prvData);
std::cout << "Thread "<< pd->getMasterThread() <<" priority: ";
switch (pd->threadPriority)
{
case Thread::THREAD_PRIORITY_MAX:
@@ -453,7 +455,7 @@ int OpenThreads::GetNumberOfProcessors()
int OpenThreads::SetProcessorAffinityOfCurrentThread(unsigned int cpunum)
{
if (cpunum<0) return -1;
Thread::Init();
Thread* thread = Thread::CurrentThread();
if (thread)

View File

@@ -1,13 +1,13 @@
/* -*-c++-*- OpenThreads library, Copyright (C) 2002 - 2007 The Open Thread Group
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
@@ -156,10 +156,10 @@ void ThreadPrivateActions::StartThread(void *data)
pd->stackSizeLocked = true;
pd->isRunning = true;
// release the thread that created this thread.
pd->threadStartedBlock.release();
thread->run();
pd->isRunning = false;
@@ -380,9 +380,7 @@ Thread::~Thread()
//
cancel();
while (pd->isRunning == true) {
::usleep(1);
}
join();
}
@@ -520,7 +518,7 @@ int Thread::start() {
//
int Thread::startThread()
{
if (_prvData) return start();
if (_prvData) return start();
else return 0;
}
@@ -808,7 +806,7 @@ int OpenThreads::SetProcessorAffinityOfCurrentThread(unsigned int cpunum)
Thread::Init();
Thread* thread = Thread::CurrentThread();
if (thread)
if (thread)
{
return thread->setProcessorAffinity(cpunum);
}

View File

@@ -1,13 +1,13 @@
/* -*-c++-*- OpenThreads library, Copyright (C) 2002 - 2007 The Open Thread Group
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
@@ -89,7 +89,7 @@ namespace OpenThreads {
static unsigned int __stdcall StartThread(void *data) {
Thread *thread = static_cast<Thread *>(data);
Win32ThreadPrivateData *pd =
static_cast<Win32ThreadPrivateData *>(thread->_prvData);
@@ -102,7 +102,7 @@ namespace OpenThreads {
SetThreadSchedulingParams(thread);
pd->isRunning = true;
// release the thread that created this thread.
pd->threadStartedBlock.release();
@@ -276,10 +276,12 @@ Thread::~Thread()
std::cout<<"Error: Thread "<<this<<" still running in destructor"<<std::endl;
pd->cancelMode = 0;
cancel();
join();
}
delete pd;
_prvData = 0;
}
//-----------------------------------------------------------------------------
@@ -337,11 +339,11 @@ int Thread::start() {
//-------------------------------------------------------------------------
// Prohibit the stack size from being changed.
// (bb 5/13/2005) it actually doesn't matter.
// 1) usually setStackSize()/start() sequence is serialized.
// 2) if not than we're in trouble anyway - nothing is protected
// 1) usually setStackSize()/start() sequence is serialized.
// 2) if not than we're in trouble anyway - nothing is protected
// pd->stackSizeLocked = true;
unsigned int ID;
pd->threadStartedBlock.reset();
pd->tid.set( (void*)_beginthreadex(NULL,static_cast<unsigned>(pd->stackSize),ThreadPrivateActions::StartThread,static_cast<void *>(this),CREATE_SUSPENDED,&ID));
@@ -362,7 +364,7 @@ int Thread::start() {
int Thread::startThread()
{
if (_prvData) return start();
if (_prvData) return start();
else return 0;
}
@@ -685,7 +687,7 @@ int OpenThreads::SetProcessorAffinityOfCurrentThread(unsigned int cpunum)
Thread::Init();
Thread* thread = Thread::CurrentThread();
if (thread)
if (thread)
{
return thread->setProcessorAffinity(cpunum);
}

View File

@@ -264,7 +264,7 @@ void OperationQueue::removeOperationThread(OperationThread* thread)
OperationThread::OperationThread():
osg::Referenced(true),
_parent(0),
_done(false)
_done(0)
{
setOperationQueue(new OperationQueue);
}
@@ -293,9 +293,10 @@ void OperationThread::setOperationQueue(OperationQueue* opq)
void OperationThread::setDone(bool done)
{
if (_done==done) return;
unsigned d = done?0:1;
if (_done==d) return;
_done = true;
_done.exchange(d);
if (done)
{
@@ -322,7 +323,7 @@ int OperationThread::cancel()
if( isRunning() )
{
_done = true;
_done.exchange(1);
OSG_INFO<<" Doing cancel "<<this<<std::endl;
@@ -339,27 +340,7 @@ int OperationThread::cancel()
}
// then wait for the the thread to stop running.
while(isRunning())
{
#if 1
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_threadMutex);
if (_operationQueue.valid())
{
_operationQueue->releaseOperationsBlock();
// _operationQueue->releaseAllOperations();
}
if (_currentOperation.valid()) _currentOperation->release();
}
#endif
// commenting out debug info as it was cashing crash on exit, presumable
// due to OSG_NOTIFY or std::cout destructing earlier than this destructor.
OSG_DEBUG<<" Waiting for OperationThread to cancel "<<this<<std::endl;
OpenThreads::Thread::YieldCurrentThread();
}
join();
}
OSG_INFO<<" OperationThread::cancel() thread cancelled "<<this<<" isRunning()="<<isRunning()<<std::endl;

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@@ -662,14 +662,7 @@ int DatabasePager::DatabaseThread::cancel()
break;
}
// then wait for the the thread to stop running.
while(isRunning())
{
// commenting out debug info as it was cashing crash on exit, presumable
// due to OSG_NOTICE or std::cout destructing earlier than this destructor.
// OSG_INFO<<"Waiting for DatabasePager::DatabaseThread to cancel"<<std::endl;
OpenThreads::Thread::YieldCurrentThread();
}
join();
// _startThreadCalled = false;
}

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@@ -158,17 +158,11 @@ int ImagePager::ImageThread::cancel()
// _databasePagerThreadBlock->release();
// then wait for the the thread to stop running.
while(isRunning())
{
// commenting out debug info as it was cashing crash on exit, presumable
// due to osg::notify or std::cout destructing earlier than this destructor.
// OSG_DEBUG<<"Waiting for DatabasePager to cancel"<<std::endl;
OpenThreads::Thread::YieldCurrentThread();
}
join();
// _startThreadCalled = false;
}
//std::cout<<"DatabasePager::~DatabasePager() stopped running"<<std::endl;
//std::cout<<"ImagePager::cancel() thread stopped running"<<std::endl;
return result;
}

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@@ -152,19 +152,6 @@ RenderSurface::RenderSurface( void )
RenderSurface::~RenderSurface( void )
{
#if 0
cancel();
_fini();
while (isRunning())
{
//std::cout << "waiting for RenderSurface to cancel"<<std::endl;
OpenThreads::Thread::YieldCurrentThread();
}
delete _threadReady;
#endif
}

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@@ -95,11 +95,10 @@ public:
virtual void quit( bool waitForThreadToExit=true )
{
_done = true;
if ( waitForThreadToExit )
if (isRunning() && waitForThreadToExit)
{
while( isRunning() )
OpenThreads::Thread::YieldCurrentThread();
OSG_DEBUG<<"GifImageStream thread quitted"<<std::endl;
cancel();
join();
}
}

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@@ -120,13 +120,9 @@ void QuicktimeImageStream::quit(bool wiatForThreadToExit)
OSG_DEBUG<<"Sending quit"<<this<<std::endl;
setCmd(THREAD_QUIT);
if (wiatForThreadToExit)
if (isRunning() && wiatForThreadToExit)
{
while(isRunning())
{
OSG_DEBUG<<"Waiting for QuicktimeImageStream to quit"<<this<<std::endl;
OpenThreads::Thread::YieldCurrentThread();
}
join();
OSG_DEBUG<<"QuicktimeImageStream has quit"<<this<<std::endl;
}
}

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@@ -73,9 +73,10 @@ class LibVncImage : public osgWidget::VncImage
virtual ~RfbThread()
{
_done = true;
while(isRunning())
if (isRunning())
{
OpenThreads::Thread::YieldCurrentThread();
cancel();
join();
}
}
@@ -97,9 +98,9 @@ class LibVncImage : public osgWidget::VncImage
{
// OSG_NOTICE<<"Timed out"<<std::endl;
}
double currentTime = _image->time();
double timeBeforeIdle = 0.1;
@@ -115,7 +116,7 @@ class LibVncImage : public osgWidget::VncImage
//OSG_NOTICE<<"New: Should still be active"<<std::endl;
}
} while (!_done && !testCancel());
}
@@ -321,8 +322,8 @@ rfbBool LibVncImage::resizeImage(rfbClient* client)
void LibVncImage::updateImage(rfbClient* client,int x,int y,int w,int h)
{
LibVncImage* image = (LibVncImage*)(rfbClientGetClientData(client, 0));
image->dirty();
image->dirty();
}
bool LibVncImage::sendPointerEvent(int x, int y, int buttonMask)
@@ -348,9 +349,9 @@ bool LibVncImage::sendKeyEvent(int key, bool keyDown)
void LibVncImage::setFrameLastRendered(const osg::FrameStamp*)
{
_timeOfLastRender = time();
// release block
_inactiveBlock->release();
}