blob: 953549cb1b53cbccbfb73699e4be93c29eb4a59c [file] [log] [blame]
// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/base_export.h"
#include "starboard/types.h"
#include "third_party/apple_apsl/malloc.h"
namespace base {
namespace allocator {
struct MallocZoneFunctions;
// Saves the function pointers currently used by the default zone.
void StoreFunctionsForDefaultZone();
// Same as StoreFunctionsForDefaultZone, but for all malloc zones.
void StoreFunctionsForAllZones();
// For all malloc zones that have been stored, replace their functions with
// |functions|.
void ReplaceFunctionsForStoredZones(const MallocZoneFunctions* functions);
extern bool g_replaced_default_zone;
// Calls the original implementation of malloc/calloc prior to interception.
bool UncheckedMallocMac(size_t size, void** result);
bool UncheckedCallocMac(size_t num_items, size_t size, void** result);
// Intercepts calls to default and purgeable malloc zones. Intercepts Core
// Foundation and Objective-C allocations.
// Has no effect on the default malloc zone if the allocator shim already
// performs that interception.
BASE_EXPORT void InterceptAllocationsMac();
// Updates all malloc zones to use their original functions.
// Also calls ClearAllMallocZonesForTesting.
BASE_EXPORT void UninterceptMallocZonesForTesting();
// Periodically checks for, and shims new malloc zones. Stops checking after 1
// minute.
BASE_EXPORT void PeriodicallyShimNewMallocZones();
// Exposed for testing.
BASE_EXPORT void ShimNewMallocZones();
BASE_EXPORT void ReplaceZoneFunctions(ChromeMallocZone* zone,
const MallocZoneFunctions* functions);
} // namespace allocator
} // namespace base