Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

submodules/AsyncDisplayKit/Source/ASDispatch.h

@@ -0,0 +1,27 @@
+//
+//  ASDispatch.h
+//  Texture
+//
+//  Copyright (c) Facebook, Inc. and its affiliates.  All rights reserved.
+//  Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc.  All rights reserved.
+//  Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
+//
+
+#import <Foundation/Foundation.h>
+#import <AsyncDisplayKit/ASBaseDefines.h>
+
+/**
+ * Like dispatch_apply, but you can set the thread count. 0 means 2*active CPUs.
+ *
+ * Note: The actual number of threads may be lower than threadCount, if libdispatch
+ * decides the system can't handle it. In reality this rarely happens.
+ */
+AS_EXTERN void ASDispatchApply(size_t iterationCount, dispatch_queue_t queue, NSUInteger threadCount, NS_NOESCAPE void(^work)(size_t i));
+
+/**
+ * Like dispatch_async, but you can set the thread count. 0 means 2*active CPUs.
+ *
+ * Note: The actual number of threads may be lower than threadCount, if libdispatch
+ * decides the system can't handle it. In reality this rarely happens.
+ */
+AS_EXTERN void ASDispatchAsync(size_t iterationCount, dispatch_queue_t queue, NSUInteger threadCount, NS_NOESCAPE void(^work)(size_t i));