| private RequestThread ( WorkerQueue unclaimedQueue, bool errorRecovery = false ) : PoolWorker | ||
| unclaimedQueue | WorkerQueue | |
| errorRecovery | bool | |
| Результат | PoolWorker | |
internal DedicatedThreadPoolSupervisor(DedicatedThreadPool pool)
{
//don't set up a timer if a timeout wasn't specified
if (pool.Settings.DeadlockTimeout == null)
{
return;
}
_timer = new Timer(_ =>
{
//bail in the event of a shutdown
if (pool.ShutdownRequested)
{
return;
}
for (var i = 0; i < pool.Workers.Length; i++)
{
var w = pool.Workers[i];
if (Interlocked.Exchange(ref w.Status, 0) == 0)
{
//this requests a new new worker and calls ForceTermination on the old worker
//Potential problem here: if the thread is not dead for real, we might abort real work.. there is no way to tell the difference between
//deadlocked or just very long running tasks
var newWorker = pool.RequestThread(w, i);
continue;
}
//schedule heartbeat action to worker
pool.Workers[i].AddWork(() => Interlocked.Increment(ref w.Status));
}
}, null, pool.Settings.DeadlockTimeout.Value, pool.Settings.DeadlockTimeout.Value);
}
private void Failover(bool errorRecovery = false)
{
/* request a new thread then shut down */
_pool.RequestThread(_work, errorRecovery);
CurrentWorker = null;
_work = null;
_workQueue = null;
_pool = null;
}
internal DedicatedThreadPoolSupervisor(DedicatedThreadPool pool)
{
//don't set up a timer if a timeout wasn't specified
if (pool.Settings.DeadlockTimeout == null)
return;
_timer = new Timer(_ =>
{
//bail in the event of a shutdown
if (pool.ShutdownRequested) return;
foreach (var worker in pool.Workers)
{
var w = worker;
if (Interlocked.Exchange(ref w.Status, 0) == 0)
{
//this requests a new new worker and calls ForceTermination on the old worker
//Potential problem here: if the thread is not dead for real, we might abort real work.. there is no way to tell the difference between
//deadlocked or just very long running tasks
var newWorker = pool.RequestThread(w);
continue;
}
//schedule heartbeat action to worker
worker.AddWork(() =>
{
Interlocked.Increment(ref w.Status);
});
}
}, null, pool.Settings.DeadlockTimeout.Value, pool.Settings.DeadlockTimeout.Value);
}
