2014/10/15 下午 10:07:02

iphone Programming Glossary: dispatch_semaphore_signal

How do I correctly use ABAddressBookCreateWithOptions method in iOS 6?

http://stackoverflow.com/questions/12083643/how-do-i-correctly-use-abaddressbookcreatewithoptions-method-in-ios-6

0 ABAddressBookRequestAccessWithCompletion addressBook ^ bool granted CFErrorRef error accessGranted granted dispatch_semaphore_signal sema dispatch_semaphore_wait sema DISPATCH_TIME_FOREVER dispatch_release sema else we're on iOS 5 or older accessGranted..

NSURLConnection blocking wrapper implemented with semaphores [closed]

http://stackoverflow.com/questions/13733124/nsurlconnection-blocking-wrapper-implemented-with-semaphores

finished dispatch_semaphore_wait consumerSemaphore DISPATCH_TIME_FOREVER finished _finished if finished block _object dispatch_semaphore_signal producerSemaphore void produce id object _object object _finished NO dispatch_semaphore_signal consumerSemaphore dispatch_semaphore_wait.. block _object dispatch_semaphore_signal producerSemaphore void produce id object _object object _finished NO dispatch_semaphore_signal consumerSemaphore dispatch_semaphore_wait producerSemaphore DISPATCH_TIME_FOREVER void finish _finished YES dispatch_semaphore_signal.. consumerSemaphore dispatch_semaphore_wait producerSemaphore DISPATCH_TIME_FOREVER void finish _finished YES dispatch_semaphore_signal consumerSemaphore void dealloc dispatch_release consumerSemaphore dispatch_release producerSemaphore @end The BlockingConnection..

UITableView & UIScrollview stop cocos2d animations

http://stackoverflow.com/questions/15185720/uitableview-uiscrollview-stop-cocos2d-animations

performance. CCGLView openGLview CCGLView self view EAGLContext setCurrentContext openGLview.context self drawScene dispatch_semaphore_signal frameRenderingSemaphore else CCGLView openGLview CCGLView self view EAGLContext setCurrentContext openGLview.context self.. else CCGLView openGLview CCGLView self view EAGLContext setCurrentContext openGLview.context self drawScene dispatch_semaphore_signal frameRenderingSemaphore iphone ios objective c uitableview cocos2d share improve this question The reason is because.. dispatch_async frameRenderingDispatchQueue ^ EAGLContext setCurrentContext openGLView_.context self drawScene dispatch_semaphore_signal frameRenderingSemaphore else EAGLContext setCurrentContext openGLView_.context self drawScene dispatch_semaphore_signal..

Fetch Contacts in iOS 7

http://stackoverflow.com/questions/19027118/fetch-contacts-in-ios-7

0 ABAddressBookRequestAccessWithCompletion addressBook ^ bool granted CFErrorRef error accessGranted granted dispatch_semaphore_signal sema dispatch_semaphore_wait sema DISPATCH_TIME_FOREVER else we're on iOS 5 or older accessGranted YES if accessGranted..

When should I initialize a view controller using initWithNibName?

http://stackoverflow.com/questions/2224077/when-should-i-initialize-a-view-controller-using-initwithnibname

CADisplayLink OpenGL rendering breaks UIScrollView behaviour

http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour

DISPATCH_TIME_NOW 0 return dispatch_async openGLESContextQueue ^ EAGLContext setCurrentContext context Render here dispatch_semaphore_signal frameRenderingSemaphore where frameRenderingSemaphore is created earlier as follows frameRenderingSemaphore dispatch_semaphore_create..

Using Grand Central Dispatch, how can I check if there is a block already running?

http://stackoverflow.com/questions/6694439/using-grand-central-dispatch-how-can-i-check-if-there-is-a-block-already-runnin

Wait for assetForURL blocks to be completed

http://stackoverflow.com/questions/7234445/wait-for-assetforurl-blocks-to-be-completed

self.assetUrls dispatch_async queue ^ libary assetForURL url resultBlock ^ ALAsset asset self.assets addObject asset dispatch_semaphore_signal sema failureBlock ^ NSError error dispatch_semaphore_signal sema dispatch_semaphore_wait sema DISPATCH_TIME_FOREVER dispatch_release.. resultBlock ^ ALAsset asset self.assets addObject asset dispatch_semaphore_signal sema failureBlock ^ NSError error dispatch_semaphore_signal sema dispatch_semaphore_wait sema DISPATCH_TIME_FOREVER dispatch_release sema Check out ALAssets NSLog @ @ self.assets..

Why does this code cause “EXC_BAD_INSTRUCTION”?

http://stackoverflow.com/questions/8287621/why-does-this-code-cause-exc-bad-instruction

it stores the value passed in to both aSemaphore 32 and aSemaphore 36 . I also found that dispatch_semaphore_wait and dispatch_semaphore_signal touch the value at aSemaphore 32 to increment and decrement it. This means that the reason it's breaking is because the..