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.
42 lines
1.2 KiB
42 lines
1.2 KiB
/*
|
|
* Copyright (c) 2014, 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>
|
|
|
|
#import "OSSCancellationTokenRegistration.h"
|
|
|
|
NS_ASSUME_NONNULL_BEGIN
|
|
|
|
/*!
|
|
A block that will be called when a token is cancelled.
|
|
*/
|
|
typedef void(^OSSCancellationBlock)(void);
|
|
|
|
/*!
|
|
The consumer view of a CancellationToken.
|
|
Propagates notification that operations should be canceled.
|
|
A OSSCancellationToken has methods to inspect whether the token has been cancelled.
|
|
*/
|
|
@interface OSSCancellationToken : NSObject
|
|
|
|
/*!
|
|
Whether cancellation has been requested for this token source.
|
|
*/
|
|
@property (nonatomic, assign, readonly, getter=isCancellationRequested) BOOL cancellationRequested;
|
|
|
|
/*!
|
|
Register a block to be notified when the token is cancelled.
|
|
If the token is already cancelled the delegate will be notified immediately.
|
|
*/
|
|
- (OSSCancellationTokenRegistration *)registerCancellationObserverWithBlock:(OSSCancellationBlock)block;
|
|
|
|
@end
|
|
|
|
NS_ASSUME_NONNULL_END
|