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35 lines
1.1 KiB
35 lines
1.1 KiB
/*
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* Copyright (c) 2018-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <Foundation/Foundation.h>
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void anonBlock() {
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CFRunLoopObserverRef observer = CFRunLoopObserverCreateWithHandler(
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NULL,
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kCFRunLoopBeforeWaiting,
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NO,
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UINT_MAX,
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^(CFRunLoopObserverRef obs, CFRunLoopActivity activity) {
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CFRelease(obs);
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});
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CFRunLoopAddObserver(CFRunLoopGetMain(), observer, kCFRunLoopCommonModes);
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}
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void blockVar() {
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// This case doesnt fail like the one above (with the anonymous block) used
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// to. That's because using the block variable populates the args list
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// differently thus avoiding the dupliate.
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void (^bvar)(CFRunLoopObserverRef observer, CFRunLoopActivity activity) =
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^(CFRunLoopObserverRef obs, CFRunLoopActivity activity) {
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CFRelease(obs);
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};
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CFRunLoopObserverRef observer = CFRunLoopObserverCreateWithHandler(
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NULL, kCFRunLoopBeforeWaiting, NO, UINT_MAX, bvar);
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CFRunLoopAddObserver(CFRunLoopGetMain(), observer, kCFRunLoopCommonModes);
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}
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