--- libmalloc/libmalloc-374.60.3/src/magazine_rack.h
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Copyright (c) 2016 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.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-
-#ifndef __MAGAZINE_RACK_H
-#define __MAGAZINE_RACK_H
-
-/*******************************************************************************
- * Definitions for region hash
- ******************************************************************************/
-
-typedef void *region_t;
-typedef region_t *rgnhdl_t; /* A pointer into hashed_regions array. */
-typedef struct region_trailer region_trailer_t;
-
-#define INITIAL_NUM_REGIONS_SHIFT 6							 // log2(INITIAL_NUM_REGIONS)
-#define INITIAL_NUM_REGIONS (1 << INITIAL_NUM_REGIONS_SHIFT) // Must be a power of 2!
-#define HASHRING_OPEN_ENTRY ((region_t)0)					 // Initial value and sentinel marking end of collision chain
-#define HASHRING_REGION_DEALLOCATED ((region_t)-1)			 // Region at this slot reclaimed by OS
-#define HASH_BLOCKS_ALIGN TINY_BLOCKS_ALIGN					 // MIN( TINY_BLOCKS_ALIGN, SMALL_BLOCKS_ALIGN, ... )
-
-typedef struct region_hash_generation {
-	size_t num_regions_allocated;
-	size_t num_regions_allocated_shift; // log2(num_regions_allocated)
-	region_t *hashed_regions;			// hashed by location
-	struct region_hash_generation *nextgen;
-} region_hash_generation_t;
-
-OS_ENUM(rack_type, uint32_t,
-	RACK_TYPE_NONE = 0,
-	RACK_TYPE_TINY,
-	RACK_TYPE_SMALL,
-	RACK_TYPE_MEDIUM,
-);
-
-/*******************************************************************************
- * Per-allocator collection of regions and magazines
- ******************************************************************************/
-
-typedef struct rack_s {
-	/* Regions for tiny objects */
-	_malloc_lock_s region_lock MALLOC_CACHE_ALIGN;
-
-	rack_type_t type;
-	size_t num_regions;
-	size_t num_regions_dealloc;
-	region_hash_generation_t *region_generation;
-	region_hash_generation_t rg[2];
-	region_t initial_regions[INITIAL_NUM_REGIONS];
-
-	int num_magazines;
-	unsigned num_magazines_mask;
-	int num_magazines_mask_shift;
-	uint32_t debug_flags;
-
-	// array of per-processor magazines
-	magazine_t *magazines;
-
-	uintptr_t cookie;
-	uintptr_t last_madvise;
-} rack_t;
-
-
-MALLOC_NOEXPORT
-void
-rack_init(rack_t *rack, rack_type_t type, uint32_t num_magazines, uint32_t debug_flags);
-
-MALLOC_NOEXPORT
-void
-rack_destroy_regions(rack_t *rack, size_t region_size);
-
-MALLOC_NOEXPORT
-void
-rack_destroy(rack_t *rack);
-
-MALLOC_NOEXPORT
-void
-rack_region_insert(rack_t *rack, region_t region);
-
-MALLOC_NOEXPORT
-bool
-rack_region_remove(rack_t *rack, region_t region, region_trailer_t *trailer);
-
-MALLOC_NOEXPORT
-bool
-rack_region_maybe_dispose(rack_t *rack, region_t region, size_t region_size,
-		region_trailer_t *trailer);
-
-MALLOC_NOEXPORT MALLOC_ALWAYS_INLINE
-static void
-rack_region_lock(rack_t *rack)
-{
-	_malloc_lock_lock(&rack->region_lock);
-}
-
-MALLOC_NOEXPORT MALLOC_ALWAYS_INLINE
-static void
-rack_region_unlock(rack_t *rack)
-{
-	_malloc_lock_unlock(&rack->region_lock);
-}
-
-#endif // __MAGAZINE_RACK_H