protected void CleanupAndTerminate(bool success)
{
TrySetExecutionState(ShuttingDownState);
// Check if confirmShutdown() was called at the end of the loop.
if (success && (0ul >= (ulong)_gracefulShutdownStartTime))
{
Logger.BuggyImplementation(this);
}
try
{
if (!IsTerminated)
{
// Run all remaining tasks and shutdown hooks. At this point the event loop
// is in ST_SHUTTING_DOWN state still accepting tasks which is needed for
// graceful shutdown with quietPeriod.
while (true)
{
if (ConfirmShutdown())
{
break;
}
}
// Now we want to make sure no more tasks can be added from this point. This is
// achieved by switching the state. Any new tasks beyond this point will be rejected.
TrySetExecutionState(ShutdownState);
// We have the final set of tasks in the queue now, no more can be added, run all remaining.
// No need to loop here, this is the final pass.
_ = ConfirmShutdown();
}
}
finally
{
try
{
Cleanup();
}
finally
{
SetExecutionState(TerminatedState);
if (!_threadLock.IsSet)
{
_ = _threadLock.Signal();
}
int numUserTasks = DrainTasks();
if ((uint)numUserTasks > 0u && Logger.WarnEnabled)
{
Logger.AnEventExecutorTerminatedWithNonEmptyTaskQueue(numUserTasks);
}
_terminationCompletionSource.TryComplete();
}
}
}
protected void CleanupAndTerminate(bool success)
{
var thisState = Volatile.Read(ref v_executionState);
int oldState;
do
{
oldState = thisState;
if ((uint)oldState >= ST_SHUTTING_DOWN)
{
break;
}
thisState = Interlocked.CompareExchange(ref v_executionState, ST_SHUTTING_DOWN, oldState);
} while (thisState != oldState);
// Check if confirmShutdown() was called at the end of the loop.
if (success && (_gracefulShutdownStartTime == PreciseTimeSpan.Zero))
{
Logger.BuggyImplementation();
//$"Buggy {typeof(IEventExecutor).Name} implementation; {typeof(SingleThreadEventExecutor).Name}.ConfirmShutdown() must be called "
//+ "before run() implementation terminates.");
}
try
{
// Run all remaining tasks and shutdown hooks. At this point the event loop
// is in ST_SHUTTING_DOWN state still accepting tasks which is needed for
// graceful shutdown with quietPeriod.
while (true)
{
if (ConfirmShutdown())
{
break;
}
}
// Now we want to make sure no more tasks can be added from this point. This is
// achieved by switching the state. Any new tasks beyond this point will be rejected.
thisState = Volatile.Read(ref v_executionState);
do
{
oldState = thisState;
if ((uint)oldState >= ST_SHUTDOWN)
{
break;
}
thisState = Interlocked.CompareExchange(ref v_executionState, ST_SHUTDOWN, oldState);
} while (thisState != oldState);
// We have the final set of tasks in the queue now, no more can be added, run all remaining.
// No need to loop here, this is the final pass.
_ = ConfirmShutdown();
}
finally
{
try
{
Cleanup();
}
finally
{
_ = Interlocked.Exchange(ref v_executionState, ST_TERMINATED);
int numUserTasks = DrainTasks();
if ((uint)numUserTasks > 0u && Logger.WarnEnabled)
{
Logger.AnEventExecutorTerminatedWithNonEmptyTaskQueue(numUserTasks);
}
//firstRun = true;
_terminationCompletionSource.Complete();
}
}
}
