// Copyright 2022 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. #ifndef BASE_MEMORY_PLATFORM_SHARED_MEMORY_MAPPER_H_ #define BASE_MEMORY_PLATFORM_SHARED_MEMORY_MAPPER_H_ #include "base/base_export.h" #include "base/memory/shared_memory_mapper.h" namespace base { // Default implementation of the SharedMemoryMapper interface. Implements the // platform-specific logic for mapping shared memory regions into the virtual // address space of the process. class PlatformSharedMemoryMapper : public SharedMemoryMapper { public: absl::optional> Map(subtle::PlatformSharedMemoryHandle handle, bool write_allowed, uint64_t offset, size_t size) override; void Unmap(span mapping) override; }; } // namespace base #endif // BASE_MEMORY_PLATFORM_SHARED_MEMORY_MAPPER_H_