chromium/base/allocator/partition_allocator/src/partition_alloc/thread_isolation/thread_isolation.cc

// 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.

#include "partition_alloc/thread_isolation/thread_isolation.h"

#if PA_BUILDFLAG(ENABLE_THREAD_ISOLATION)

#include "partition_alloc/address_pool_manager.h"
#include "partition_alloc/page_allocator.h"
#include "partition_alloc/partition_alloc_check.h"
#include "partition_alloc/partition_alloc_constants.h"
#include "partition_alloc/reservation_offset_table.h"

#if PA_BUILDFLAG(ENABLE_PKEYS)
#include "partition_alloc/thread_isolation/pkey.h"
#endif

namespace partition_alloc::internal {

#if PA_BUILDFLAG(DCHECKS_ARE_ON)
ThreadIsolationSettings ThreadIsolationSettings::settings;
#endif

void WriteProtectThreadIsolatedMemory(ThreadIsolationOption thread_isolation,
                                      void* address,
                                      size_t size,
                                      bool read_only = false) { … }

template <typename T>
void WriteProtectThreadIsolatedVariable(ThreadIsolationOption thread_isolation,
                                        T& var,
                                        size_t offset = 0,
                                        bool read_only = false) { … }

int MprotectWithThreadIsolation(void* addr,
                                size_t len,
                                int prot,
                                ThreadIsolationOption thread_isolation) { … }

void WriteProtectThreadIsolatedGlobals(ThreadIsolationOption thread_isolation) { … }

void UnprotectThreadIsolatedGlobals() { … }

}  // namespace partition_alloc::internal

#endif  // PA_BUILDFLAG(ENABLE_THREAD_ISOLATION)