ObjFW
OFLockFailedException.h
1 /*
2  * Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
3  *
4  * All rights reserved.
5  *
6  * This program is free software: you can redistribute it and/or modify it
7  * under the terms of the GNU Lesser General Public License version 3.0 only,
8  * as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
13  * version 3.0 for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public License
16  * version 3.0 along with this program. If not, see
17  * <https://www.gnu.org/licenses/>.
18  */
19 
20 #import "OFException.h"
21 #import "OFLocking.h"
22 
23 OF_ASSUME_NONNULL_BEGIN
24 
31 {
32  id <OFLocking> _Nullable _lock;
33  int _errNo;
34  OF_RESERVE_IVARS(OFLockFailedException, 4)
35 }
36 
40 @property OF_NULLABLE_PROPERTY (readonly, nonatomic) id <OFLocking> lock;
41 
45 @property (readonly, nonatomic) int errNo;
46 
54 + (instancetype)exceptionWithLock: (nullable id <OFLocking>)lock
55  errNo: (int)errNo;
56 
64 - (instancetype)initWithLock: (nullable id <OFLocking>)lock
65  errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
66 @end
67 
68 OF_ASSUME_NONNULL_END
A protocol for locks.
An exception indicating that locking a lock failed.
Definition: OFLockFailedException.h:30
The base class for all exceptions in ObjFW.
Definition: OFException.h:156