Suppose I run this code: __block int step = 0; __block dispatch_block_t myBlock; myBlock = ^{ if(step == STEPS_COUNT)
I have some simple doubts about NSOperation and GCD that I have not found answer to on the documentation.
I\'m having trouble using Grand Central Dispatch Source events when reading from serial ports. I use dispatch_source_create with DISPATCH_SOURCE_TYPE_READ so that the OS will run my block of code whe
I have several tasks that are dispatched to serial queues and specially some that are dispatched to a group. After these tasks are dispatched I would like to give the user the option to cancel them, e
Is there a开发者_StackOverflow社区 way to find the thread id that is associated with \'dispatch_get_main_queue()\'?Any block evaluated on the main queue will evaluate on the thread it is associated wi
I have wr开发者_JS百科itten a Core Data abstraction class which holds the persistent store, object model and object context. To make the multithreading easier, I have written the accessor for the obje
How can I get the current queue name? I mean queue label like com.example.myqueue. In the Xcode 4 debugger I 开发者_开发百科can see just _block_invoke_1.How about dispatch_queue_get_label?In Objecti
I am creating a c++ library for use on iOS (yes, unfortunately it has to be C++) which uses AVCaptureSession to capture video frames, which are delivered via the captureOutput callback. The C++ librar
OK, I love Grand Central Dispatch and after using it with relative success but this is something I don\'t fully understand.
Is it advisable to wrap up NSUrlConnection in a gcd style blocks and run it on a low_priority queue? I need to ensure that my connections are not happening on the main thread and the connections need
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