public void TestDispose()
{
MasterSlaveBarrier testBarrier = new MasterSlaveBarrier(2U);
Thread slaveA = new Thread(testBarrier.SlaveWaitForFirstOpen);
Thread slaveB = new Thread(testBarrier.SlaveWaitForFirstOpen);
slaveA.Start();
LosgapSystem.InvokeOnMaster(() => testBarrier.Dispose());
slaveB.Start();
slaveA.Join();
slaveB.Join();
testBarrier = new MasterSlaveBarrier(2U);
slaveA = new Thread(() => {
testBarrier.SlaveWaitForFirstOpen();
testBarrier.SlaveWaitForReset();
});
slaveB = new Thread(() => {
testBarrier.SlaveWaitForFirstOpen();
testBarrier.SlaveWaitForReset();
});
slaveA.Start();
slaveB.Start();
LosgapSystem.InvokeOnMaster(() => {
testBarrier.MasterOpenBarrier();
testBarrier.MasterWaitForClose();
testBarrier.Dispose();
});
slaveA.Join();
slaveB.Join();
}
public void TestOpenAndClose()
{
MasterSlaveBarrier testBarrier = new MasterSlaveBarrier(2U);
Thread slaveA = new Thread(testBarrier.SlaveWaitForFirstOpen);
slaveA.Start();
Thread slaveB = new Thread(testBarrier.SlaveWaitForFirstOpen);
slaveB.Start();
Assert.IsFalse(slaveA.Join(TimeSpan.FromSeconds(0.5d)));
Assert.IsFalse(slaveB.Join(TimeSpan.FromSeconds(0.5d)));
LosgapSystem.InvokeOnMaster(testBarrier.MasterOpenBarrier);
slaveA.Join();
slaveB.Join();
slaveA = new Thread(testBarrier.SlaveWaitForReset);
slaveA.Start();
slaveB = new Thread(testBarrier.SlaveWaitForReset);
bool barrierClosed = false;
object barrierClosePulse = new object();
LosgapSystem.InvokeOnMasterAsync(() => {
testBarrier.MasterWaitForClose();
testBarrier.MasterOpenBarrier();
lock (barrierClosePulse) {
barrierClosed = true;
Monitor.Pulse(barrierClosePulse);
}
});
Thread.Sleep(TimeSpan.FromSeconds(0.5d));
Assert.IsFalse(barrierClosed);
Monitor.Enter(barrierClosePulse);
slaveB.Start();
slaveA.Join();
slaveB.Join();
Monitor.Wait(barrierClosePulse);
Monitor.Exit(barrierClosePulse);
Assert.IsTrue(barrierClosed);
testBarrier.Dispose();
}
internal ParallelizationProvider()
{
NumThreads = (uint)(Environment.ProcessorCount + LosgapSystem.ThreadOversubscriptionFactor);
if (NumThreads > LosgapSystem.MaxThreadCount)
{
NumThreads = LosgapSystem.MaxThreadCount;
}
numSlavesStillRunning = NumThreads - 1U;
WorkBarrier = new MasterSlaveBarrier(numSlavesStillRunning);
#if DEBUG
slaveThreads = new Thread[NumThreads - 1];
for (int i = 0; i < NumThreads - 1; ++i)
{
slaveThreads[i] = new Thread(StartSlave)
{
Priority = LosgapSystem.SlaveThreadPriority,
Name = "LosgapSlave_" + i,
IsBackground = true,
CurrentCulture = new CultureInfo("en-US")
};
slaveThreads[i].Start();
}
#else
for (int i = 0; i < NumThreads - 1; ++i)
{
new Thread(StartSlave)
{
Priority = LosgapSystem.SlaveThreadPriority,
Name = "LosgapSlave_" + i,
IsBackground = true,
CurrentCulture = new CultureInfo("en-US")
}.Start();
}
#endif
}
