ObjFW  Check-in [ce1c7fe940]

	struct pre_mem *firstMem, *lastMem;
#if !defined(OF_ATOMIC_OPS) && defined(OF_THREADS)
	of_spinlock_t retainCountSpinlock;
#endif
};

struct pre_mem {
	id owner;
	struct pre_mem *prev, *next;
	id owner;
};

#define PRE_IVAR_ALIGN ((sizeof(struct pre_ivar) + \
	(__BIGGEST_ALIGNMENT__ - 1)) & ~(__BIGGEST_ALIGNMENT__ - 1))
#define PRE_IVAR ((struct pre_ivar*)(void*)((char*)self - PRE_IVAR_ALIGN))

#define PRE_MEM_ALIGN ((sizeof(struct pre_mem) + \

			break;
	}

	iter = PRE_IVAR->firstMem;
	while (iter != NULL) {
		struct pre_mem *next = iter->next;

		/*
		 * We can use owner as a sentinel to prevent exploitation in
		 * case there is a buffer underflow somewhere.
		 */
		if (iter->owner != self)
			abort();

		free(iter);

		iter = next;
	}

	free((char*)self - PRE_IVAR_ALIGN);
}