ObjFW  Diff

#import "OFException.h"

OF_ASSUME_NONNULL_BEGIN

@class OFKernelEventObserver;

/**
 * @class OFObserveFailedException \
 *	  OFObserveFailedException.h ObjFW/OFObserveFailedException.h
 * @class OFObserveKernelEventsFailedException \
 *	  OFObserveKernelEventsFailedException.h \
 *	  ObjFW/OFObserveKernelEventsFailedException.h
 *
 * @brief An exception indicating that observing failed.
 */
@interface OFObserveFailedException: OFException
@interface OFObserveKernelEventsFailedException: OFException
{
	OFKernelEventObserver *_observer;
	int _errNo;
	OF_RESERVE_IVARS(OFObserveKernelEventsFailedException, 4)
}

/**
 * @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;
+ (instancetype)exception 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;

- (instancetype)init OF_UNAVAILABLE;
@end

OF_ASSUME_NONNULL_END