Created
August 24, 2016 02:55
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注册 RunLoop 观察者代码示例，from YYKit
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| // 注册Runloop观察者，from YYKit | |
| static void YYRunLoopObserverCallBack(CFRunLoopObserverRef observer, CFRunLoopActivity activity, void *info) { | |
| if (transactionSet.count == 0) return; | |
| NSSet *currentSet = transactionSet; | |
| transactionSet = [NSMutableSet new]; | |
| [currentSet enumerateObjectsUsingBlock:^(YYTransaction *transaction, BOOL *stop) { | |
| #pragma clang diagnostic push | |
| #pragma clang diagnostic ignored "-Warc-performSelector-leaks" | |
| [transaction.target performSelector:transaction.selector]; | |
| #pragma clang diagnostic pop | |
| }]; | |
| } | |
| static void YYTransactionSetup() { | |
| static dispatch_once_t onceToken; | |
| dispatch_once(&onceToken, ^{ | |
| transactionSet = [NSMutableSet new]; | |
| CFRunLoopRef runloop = CFRunLoopGetMain(); | |
| CFRunLoopObserverRef observer; | |
| observer = CFRunLoopObserverCreate(CFAllocatorGetDefault(), | |
| kCFRunLoopBeforeWaiting | kCFRunLoopExit, | |
| true, // repeat | |
| 0xFFFFFF, // after CATransaction(2000000) | |
| YYRunLoopObserverCallBack, NULL); | |
| CFRunLoopAddObserver(runloop, observer, kCFRunLoopCommonModes); | |
| CFRelease(observer); | |
| }); | |
| } | |
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