idb/FBControlCore/Utility/NSRunLoop+FBControlCore.h

36 строки
1.1 KiB
Objective-C

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import <Foundation/Foundation.h>
/**
Conveniences to aid synchronous waiting on events, whilst not blocking other event sources.
*/
@interface NSRunLoop (FBControlCore)
/**
Spins the Run Loop until `untilTrue` returns YES or a timeout is reached.
@oaram timeout the Timeout in Seconds.
@param untilTrue the condition to meet.
@returns YES if the condition was met, NO if the timeout was reached first.
*/
- (BOOL)spinRunLoopWithTimeout:(NSTimeInterval)timeout untilTrue:( BOOL (^)(void) )untilTrue;
/**
Spins the Run Loop until `untilTrue` returns a value, or a timeout is reached.
@oaram timeout the Timeout in Seconds.
@param untilExists the mapping to a value.
@returns the return value of untilTrue, or nil if a timeout was reached.
*/
- (id)spinRunLoopWithTimeout:(NSTimeInterval)timeout untilExists:( id (^)(void) )untilExists;
@end