/*
* Copyright (c) 2008-2022 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"
#import "OFLocking.h"
OF_ASSUME_NONNULL_BEGIN
/**
* @class OFLockFailedException \
* OFLockFailedException.h ObjFW/OFLockFailedException.h
*
* @brief An exception indicating that locking a lock failed.
*/
@interface OFLockFailedException: OFException
{
id <OFLocking> _Nullable _lock;
int _errNo;
OF_RESERVE_IVARS(OFLockFailedException, 4)
}
/**
* @brief The lock which could not be locked.
*/
@property OF_NULLABLE_PROPERTY (readonly, nonatomic) id <OFLocking> lock;
/**
* @brief The errno of the error that occurred.
*/
@property (readonly, nonatomic) int errNo;
/**
* @brief Creates a new, autoreleased lock failed exception.
*
* @param lock The lock which could not be locked
* @param errNo The errno of the error that occurred
* @return A new, autoreleased lock failed exception
*/
+ (instancetype)exceptionWithLock: (nullable id <OFLocking>)lock
errNo: (int)errNo;
/**
* @brief Initializes an already allocated lock failed exception.
*
* @param lock The lock which could not be locked
* @param errNo The errno of the error that occurred
* @return An initialized lock failed exception
*/
- (instancetype)initWithLock: (nullable id <OFLocking>)lock
errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
@end
OF_ASSUME_NONNULL_END