I'm having a problem with an existing application that runs well on a
32-bit windows XP (VS 2003) system, but does not seem to work when ran
on a 64-bit windows XP (VS 2003) system.
I narrowed down the problem to Openthreads, seems that my threaded while
loop never (or rarely) gets called. I was able to recreate the problem
with this simple program below. It runs two threads, both printing a
message to the screen. Only one message is displayed on a 64bit
machine. I turned on OSG notification to DEBUG, but no extra
information is displayed.
Has anyone else experience this problem? Am I doing something wrong?
Thanks in advance.
///////////////////////////////////////
//Header file MutexTest.h
///////////////////////////////////////
#ifndef __MUTEXTEST_H_
#define __MUTEXTEST_H_
#include <OpenThreads/Thread>
#include <OpenThreads/Mutex>
#include <OpenThreads/Barrier>
#include <OpenThreads/Block>
#include <OpenThreads/ScopedLock>
#include <iostream>
class MutexTest : public OpenThreads::Thread
{
public:
MutexTest();
~MutexTest();
//Functions
virtual void run();
void quit();
void printHello();
void setMutex(OpenThreads::Mutex* newValue);
OpenThreads::Mutex* getMutex();
private:
mutable OpenThreads::Mutex* _mutex;
};
#endif
///////////////////////////////////////////////////////////////////
//Source file MutexTest.cpp
///////////////////////////////////////////////////////////////////
#include "MutexTest.h"
MutexTest::MutexTest(){
_mutex = new OpenThreads::Mutex();
}
MutexTest::~MutexTest(){
std::cout<<"MutexTest Test Shuting
down....."<<std::endl;
}
void MutexTest::setMutex(OpenThreads::Mutex* newValue){
_mutex = newValue;
}
OpenThreads::Mutex* MutexTest::getMutex(){
return _mutex;
}
void MutexTest::quit() {
}
void MutexTest::printHello(){
OpenThreads::ScopedLock<OpenThreads::Mutex>
lock(*_mutex);
std::cout<<"-- Mutex Class: Hello --"<<std::endl;
}
void MutexTest::run() {
while(true){
//////////////////////////////////////////////////////////
//This only gets called once when running on 64bit
system
/////////////////////////////////////////////////////////
printHello();
//sleep
OpenThreads::Thread::microSleep(5000);
}//while
}//run
//
------------------------------------------------------------------------
---
//
// main
//
//
------------------------------------------------------------------------
---
int main(int argC, char* argV[])
{
//Create a mutex we can share
OpenThreads::Mutex* mutable my_mutex = new OpenThreads::Mutex;
MutexTest* testMutex = new MutexTest();
testMutex->setMutex(my_mutex);
//Start thread
testMutex->start();
while(true)
{
OpenThreads::ScopedLock<OpenThreads::Mutex>
lock(*my_mutex);
std::cout<<"<<< Main: Hello >>>"<<std::endl;
//sleep
OpenThreads::Thread::microSleep(2000);
}//while
return 0;
}//main
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