You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
1.1 KiB
35 lines
1.1 KiB
7 years ago
|
/*
|
||
|
|
* Copyright (c) 2018-present, Facebook, Inc.
|
||
|
|
*
|
||
|
|
* This source code is licensed under the MIT license found in the
|
||
|
|
* LICENSE file in the root directory of this source tree.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#import <Foundation/Foundation.h>
|
||
|
|
|
||
|
|
void anonBlock() {
|
||
|
|
CFRunLoopObserverRef observer = CFRunLoopObserverCreateWithHandler(
|
||
|
|
NULL,
|
||
|
|
kCFRunLoopBeforeWaiting,
|
||
|
|
NO,
|
||
|
|
UINT_MAX,
|
||
|
|
^(CFRunLoopObserverRef obs, CFRunLoopActivity activity) {
|
||
|
|
CFRelease(obs);
|
||
|
|
});
|
||
|
|
CFRunLoopAddObserver(CFRunLoopGetMain(), observer, kCFRunLoopCommonModes);
|
||
|
|
}
|
||
|
|
|
||
|
|
void blockVar() {
|
||
|
|
// This case doesnt fail like the one above (with the anonymous block) used
|
||
|
|
// to. That's because using the block variable populates the args list
|
||
|
|
// differently thus avoiding the dupliate.
|
||
|
|
void (^bvar)(CFRunLoopObserverRef observer, CFRunLoopActivity activity) =
|
||
|
|
^(CFRunLoopObserverRef obs, CFRunLoopActivity activity) {
|
||
|
|
CFRelease(obs);
|
||
|
|
};
|
||
|
|
|
||
|
|
CFRunLoopObserverRef observer = CFRunLoopObserverCreateWithHandler(
|
||
|
|
NULL, kCFRunLoopBeforeWaiting, NO, UINT_MAX, bvar);
|
||
|
|
CFRunLoopAddObserver(CFRunLoopGetMain(), observer, kCFRunLoopCommonModes);
|
||
|
|
}
|