objc-locks-old.h

/*
 * Copyright (c) 2017 Apple Inc.  All Rights Reserved.
 * 
 * @APPLE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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/***********************************************************************
* objc-locks-old.h
* Declarations of all locks used in the runtime.
**********************************************************************/

#ifndef _OBJC_LOCKS_OLD_H
#define _OBJC_LOCKS_OLD_H

// fork() safety requires careful tracking of all locks used in the runtime.
// Thou shalt not declare any locks outside this file.

extern mutex_t classLock;
extern mutex_t methodListLock;
extern mutex_t NXUniqueStringLock;
extern spinlock_t impLock;

#endif