[Author: dmaclach]

Add a blocks API to NSThread.

R=thomasvl,grobbins
DELTA=238  (236 added, 1 deleted, 1 changed)

1 files changed, 38 insertions, 0 deletions

diff --git a/Foundation/GTMNSThread+Blocks.h b/Foundation/GTMNSThread+Blocks.h
new file mode 100644
index 0000000..4c649c2
--- /dev/null
+++ b/Foundation/GTMNSThread+Blocks.h
@@ -0,0 +1,38 @@
+//
+//  GTMNSThread+Blocks.h
+//
+//  Copyright 2012 Google Inc.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License"); you may not
+//  use this file except in compliance with the License.  You may obtain a copy
+//  of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+//  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+//  License for the specific language governing permissions and limitations under
+//  the License.
+//
+// Based on http://www.informit.com/blogs/blog.aspx?uk=Ask-Big-Nerd-Ranch-Blocks-in-Objective-C
+
+#import <Foundation/Foundation.h>
+
+// Extension to NSThread to work with blocks.
+
+#if NS_BLOCKS_AVAILABLE
+
+@interface NSThread (GTMBlocksAdditions)
+
+// If self is not the current thread, the block will be called asynchronously
+// and this method returns immediately.
+// If self is the current thread, the block will be performed immediately, and
+// then this method will return.
+- (void)gtm_performBlock:(void (^)())block;
+
+- (void)gtm_performWaitingUntilDone:(BOOL)wait block:(void (^)())block;
++ (void)gtm_performBlockInBackground:(void (^)())block;
+@end
+
+#endif  // NS_BLOCKS_AVAILABLE