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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
#include <IceUtil/IceUtil.h>
#include <MonitorMutexTest.h>
#include <TestHelper.h>
using namespace std;
using namespace IceUtil;
class MonitorMutexTestThread : public Thread
{
public:
MonitorMutexTestThread(Monitor<Mutex>& m) :
_monitor(m),
_tryLock(false)
{
}
virtual void run()
{
Monitor<Mutex>::TryLock tlock(_monitor);
test(!tlock.acquired());
{
Mutex::Lock lock(_tryLockMutex);
_tryLock = true;
}
_tryLockCond.signal();
Monitor<Mutex>::Lock lock(_monitor);
}
void
waitTryLock()
{
Mutex::Lock lock(_tryLockMutex);
while(!_tryLock)
{
_tryLockCond.wait(lock);
}
}
private:
Monitor<Mutex>& _monitor;
bool _tryLock;
//
// Use native Condition variable here, not Monitor.
//
Cond _tryLockCond;
Mutex _tryLockMutex;
};
typedef Handle<MonitorMutexTestThread> MonitorMutexTestThreadPtr;
class MonitorMutexTestThread2 : public Thread
{
public:
MonitorMutexTestThread2(Monitor<Mutex>& monitor) :
finished(false),
_monitor(monitor)
{
}
virtual void run()
{
Monitor<Mutex>::Lock lock(_monitor);
_monitor.wait();
finished = true;
}
bool finished;
private:
Monitor<Mutex>& _monitor;
};
typedef Handle<MonitorMutexTestThread2> MonitorMutexTestThread2Ptr;
static const string monitorMutexTestName("monitor<mutex>");
MonitorMutexTest::MonitorMutexTest() :
TestBase(monitorMutexTestName)
{
}
void
MonitorMutexTest::run()
{
Monitor<Mutex> monitor;
MonitorMutexTestThreadPtr t;
MonitorMutexTestThread2Ptr t2;
MonitorMutexTestThread2Ptr t3;
ThreadControl control;
ThreadControl control2;
{
Monitor<Mutex>::Lock lock(monitor);
try
{
Monitor<Mutex>::TryLock tlock(monitor);
test(!tlock.acquired());
}
catch(const ThreadLockedException&)
{
//
// pthread_mutex_trylock returns EDEADLK in FreeBSD's new threading implementation
// as well as in Fedora Core 5.
//
}
// TEST: Start thread, try to acquire the mutex.
t = new MonitorMutexTestThread(monitor);
control = t->start();
// TEST: Wait until the tryLock has been tested.
t->waitTryLock();
}
//
// TEST: Once the mutex has been released, the thread should
// acquire the mutex and then terminate.
//
control.join();
// TEST: notify() wakes one consumer.
t2 = new MonitorMutexTestThread2(monitor);
control = t2->start();
t3 = new MonitorMutexTestThread2(monitor);
control2 = t3->start();
// Give the thread time to start waiting.
ThreadControl::sleep(Time::seconds(1));
{
Monitor<Mutex>::Lock lock(monitor);
monitor.notify();
}
// Give one thread time to terminate
ThreadControl::sleep(Time::seconds(1));
test((t2->finished && !t3->finished) || (t3->finished && !t2->finished));
{
Monitor<Mutex>::Lock lock(monitor);
monitor.notify();
}
control.join();
control2.join();
// TEST: notifyAll() wakes one consumer.
t2 = new MonitorMutexTestThread2(monitor);
control = t2->start();
t3 = new MonitorMutexTestThread2(monitor);
control2 = t3->start();
// Give the threads time to start waiting.
ThreadControl::sleep(Time::seconds(1));
{
Monitor<Mutex>::Lock lock(monitor);
monitor.notifyAll();
}
control.join();
control2.join();
// TEST: timedWait
{
Monitor<Mutex>::Lock lock(monitor);
try
{
monitor.timedWait(Time::milliSeconds(-1));
test(false);
}
catch(const IceUtil::InvalidTimeoutException&)
{
}
test(!monitor.timedWait(Time::milliSeconds(500)));
}
}
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