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base / allocator / partition_allocator / src / partition_alloc / shim / early_zone_registration_constants.h [blame]
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef PARTITION_ALLOC_SHIM_EARLY_ZONE_REGISTRATION_CONSTANTS_H_
#define PARTITION_ALLOC_SHIM_EARLY_ZONE_REGISTRATION_CONSTANTS_H_
// This is an Apple-only file, used to register PartitionAlloc's zone *before*
// the process becomes multi-threaded. These constants are shared between the
// allocator shim which installs the PartitionAlloc's malloc zone and the
// application which installs the "early malloc zone" to reserve the zone slot.
namespace allocator_shim {
static constexpr char kDelegatingZoneName[] =
"DelegatingDefaultZoneForPartitionAlloc";
static constexpr char kPartitionAllocZoneName[] = "PartitionAlloc";
// Zone version. Determines which callbacks are set in the various malloc_zone_t
// structs.
#if (__MAC_OS_X_VERSION_MAX_ALLOWED >= 130000) || \
(__IPHONE_OS_VERSION_MAX_ALLOWED >= 160100)
#define PA_TRY_FREE_DEFAULT_IS_AVAILABLE 1
#endif
#if PA_TRY_FREE_DEFAULT_IS_AVAILABLE
constexpr int kZoneVersion = 13;
#else
constexpr int kZoneVersion = 9;
#endif
} // namespace allocator_shim
#endif // PARTITION_ALLOC_SHIM_EARLY_ZONE_REGISTRATION_CONSTANTS_H_