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

@@ -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)