/*
* Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#import "OFException.h"
OF_ASSUME_NONNULL_BEGIN
@class OFKernelEventObserver;
/**
* @class OFObserveFailedException \
* OFObserveFailedException.h ObjFW/OFObserveFailedException.h
*
* @brief An exception indicating that observing failed.
*/
@interface OFObserveFailedException: OFException
{
OFKernelEventObserver *_observer;
int _errNo;
}
/**
* @brief The observer which failed to observe.
*/
@property (readonly, nonatomic) OFKernelEventObserver *observer;
/**
* @brief The errno of the error that occurred.
*/
@property (readonly, nonatomic) int errNo;
+ (instancetype)exception OF_UNAVAILABLE;
/**
* @brief Creates a new, autoreleased observe failed exception.
*
* @param observer The observer which failed to observe
* @param errNo The errno of the error that occurred
* @return A new, autoreleased observe failed exception
*/
+ (instancetype)exceptionWithObserver: (OFKernelEventObserver *)observer
errNo: (int)errNo;
- (instancetype)init OF_UNAVAILABLE;
/**
* @brief Initializes an already allocated observe failed exception.
*
* @param observer The observer which failed to observe
* @param errNo The errno of the error that occurred
* @return An initialized observe failed exception
*/
- (instancetype)initWithObserver: (OFKernelEventObserver *)observer
errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
@end
OF_ASSUME_NONNULL_END