Artifact 454d70b9afa943290b96749bade40804565c2674fb14df251804cae5aacbe869:
- File
src/OFMutex.m
— part of check-in
[2f4e0df8be]
at
2017-10-17 00:33:37
on branch trunk
— Do not use implicit method return types
Instead, explicitly declare them, as OF_ASSUME_NONNULL_{BEGIN,END} does
not apply to implicit return types. This means that after this commit,
all init methods have a nonnull return type, as they should have. (user: js, size: 1757) [annotate] [blame] [check-ins using]
/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 * Jonathan Schleifer <js@heap.zone> * * 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. */ #include "config.h" #import "OFMutex.h" #import "OFString.h" #import "OFInitializationFailedException.h" #import "OFLockFailedException.h" #import "OFStillLockedException.h" #import "OFUnlockFailedException.h" @implementation OFMutex @synthesize name = _name; + (instancetype)mutex { return [[[self alloc] init] autorelease]; } - (instancetype)init { self = [super init]; if (!of_mutex_new(&_mutex)) { Class c = [self class]; [self release]; @throw [OFInitializationFailedException exceptionWithClass: c]; } _initialized = true; return self; } - (void)dealloc { if (_initialized) if (!of_mutex_free(&_mutex)) @throw [OFStillLockedException exceptionWithLock: self]; [_name release]; [super dealloc]; } - (void)lock { if (!of_mutex_lock(&_mutex)) @throw [OFLockFailedException exceptionWithLock: self]; } - (bool)tryLock { return of_mutex_trylock(&_mutex); } - (void)unlock { if (!of_mutex_unlock(&_mutex)) @throw [OFUnlockFailedException exceptionWithLock: self]; } - (OFString *)description { if (_name == nil) return [super description]; return [OFString stringWithFormat: @"<%@: %@>", [self className], _name]; } @end