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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_MEMORY_SHARED_MEMORY_HOOKS_H_
#define BASE_MEMORY_SHARED_MEMORY_HOOKS_H_
#include "base/memory/read_only_shared_memory_region.h"
#include "base/memory/unsafe_shared_memory_region.h"
#include "base/memory/writable_shared_memory_region.h"
namespace mojo {
class SharedMemoryUtils;
namespace core::ipcz_driver {
class BaseSharedMemoryService;
}
} // namespace mojo
namespace base {
class SharedMemoryHooks {
public:
SharedMemoryHooks() = delete;
private:
friend class SharedMemoryHooksTest;
friend mojo::SharedMemoryUtils;
friend class mojo::core::ipcz_driver::BaseSharedMemoryService;
// Allows shared memory region creation to be hooked. Useful for sandboxed
// processes that are restricted from invoking the platform APIs directly.
// Intentionally private so callers need to be explicitly friended.
static void SetCreateHooks(
ReadOnlySharedMemoryRegion::CreateFunction* read_only_hook,
UnsafeSharedMemoryRegion::CreateFunction* unsafe_hook,
WritableSharedMemoryRegion::CreateFunction* writable_hook) {
ReadOnlySharedMemoryRegion::set_create_hook(read_only_hook);
UnsafeSharedMemoryRegion::set_create_hook(unsafe_hook);
WritableSharedMemoryRegion::set_create_hook(writable_hook);
}
};
} // namespace base
#endif // BASE_MEMORY_SHARED_MEMORY_HOOKS_H_
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