ObjFW  Diff

/*
 * Copyright (c) 2008 - 2009
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * 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 included in
 * the packaging of this file.

#ifdef OF_ATOMIC_OPS
# import "atomic.h"
#else
# import "threading.h"
#endif

/// \cond internal
struct pre_ivar {
	void	      **memchunks;
	size_t	      memchunks_size;
	int32_t	      retain_count; /* int32_t because atomic ops use int32_t */
#ifndef OF_ATOMIC_OPS
	of_spinlock_t retain_spinlock;
#endif
};
/// \endcond

/* Hopefully no arch needs more than 16 bytes padding */
#define PRE_IVAR_ALIGN ((sizeof(struct pre_ivar) + 15) & ~15)
#define PRE_IVAR ((struct pre_ivar*)((char*)self - PRE_IVAR_ALIGN))

static struct {
	Class isa;