public static void Run <TState>(ReplicatableUserAction <TState> action, ParallelOptions options, bool stopOnFirstFailure)
{
// Browser hosts do not support synchronous Wait so we want to run the
// replicated task directly instead of going through Task infrastructure
if (OperatingSystem.IsBrowser())
{
// Since we are running on a single thread, we don't want the action to time out
var timeout = int.MaxValue - 1;
var state = default(TState) !;
action(ref state, timeout, out bool yieldedBeforeCompletion);
if (yieldedBeforeCompletion)
{
throw new Exception("Replicated tasks cannot yield in this single-threaded browser environment");
}
}
else
{
int maxConcurrencyLevel = (options.EffectiveMaxConcurrencyLevel > 0) ? options.EffectiveMaxConcurrencyLevel : int.MaxValue;
TaskReplicator replicator = new TaskReplicator(options, stopOnFirstFailure);
new Replica <TState>(replicator, maxConcurrencyLevel, CooperativeMultitaskingTaskTimeout_RootTask, action).Start();
Replica?nextReplica;
while (replicator._pendingReplicas.TryDequeue(out nextReplica))
{
nextReplica.Wait();
}
if (replicator._exceptions != null)
{
throw new AggregateException(replicator._exceptions);
}
}
}
protected volatile Task _pendingTask; // the most recently queued Task for this replica, or null if we're done.
protected Replica(TaskReplicator replicator, int maxConcurrency, int timeout)
{
_replicator = replicator;
_timeout = timeout;
_remainingConcurrency = maxConcurrency - 1;
_pendingTask = new Task(s => ((Replica)s).Execute(), this);
_replicator._pendingReplicas.Enqueue(this);
}
protected Replica(TaskReplicator replicator, int maxConcurrency, int timeout)
{
Replicator = replicator;
Timeout = timeout;
RemainingConcurrency = maxConcurrency - 1;
PendingTask = new Task(Execute);
Replicator._pendingReplicas.Enqueue(this);
}
public static void Run <TState>(ReplicableUserAction <TState> action, ParallelOptions options, bool stopOnFirstFailure)
{
var maxConcurrencyLevel = options.EffectiveMaxConcurrencyLevel > 0 ? options.EffectiveMaxConcurrencyLevel : int.MaxValue;
var replicator = new TaskReplicator(options, stopOnFirstFailure);
new Replica <TState>(replicator, maxConcurrencyLevel, _cooperativeMultitaskingTaskTimeoutRootTask, action).Start();
while (replicator._pendingReplicas.TryDequeue(out var nextReplica))
{
nextReplica.Wait();
}
if (replicator._exceptions != null)
{
throw new AggregateException(replicator._exceptions);
}
}