From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../base/memory/shared_memory_tracker.h | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 security/sandbox/chromium-shim/base/memory/shared_memory_tracker.h (limited to 'security/sandbox/chromium-shim/base/memory') diff --git a/security/sandbox/chromium-shim/base/memory/shared_memory_tracker.h b/security/sandbox/chromium-shim/base/memory/shared_memory_tracker.h new file mode 100644 index 0000000000..0439410ebb --- /dev/null +++ b/security/sandbox/chromium-shim/base/memory/shared_memory_tracker.h @@ -0,0 +1,40 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public +* License, v. 2.0. If a copy of the MPL was not distributed with this +* file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +// This is a dummy version of Chromium source file base/memory/shared_memory_tracker.h. +// To provide a class required in base/memory/shared_memory_win.cc. +// The class is used for memory tracking and dumping, which we don't use and +// has significant dependencies. + +#ifndef BASE_MEMORY_SHARED_MEMORY_TRACKER_H_ +#define BASE_MEMORY_SHARED_MEMORY_TRACKER_H_ + +namespace base { + +// SharedMemoryTracker tracks shared memory usage. +class BASE_EXPORT SharedMemoryTracker { + public: + // Returns a singleton instance. + static SharedMemoryTracker* GetInstance() + { + static SharedMemoryTracker* instance = new SharedMemoryTracker; + return instance; + } + + void IncrementMemoryUsage(const SharedMemoryMapping& mapping) {}; + + void DecrementMemoryUsage(const SharedMemoryMapping& mapping) {}; + + private: + SharedMemoryTracker() {}; + ~SharedMemoryTracker() = default; + + DISALLOW_COPY_AND_ASSIGN(SharedMemoryTracker); +}; + +} // namespace base + +#endif // BASE_MEMORY_SHARED_MEMORY_TRACKER_H_ -- cgit v1.2.3