1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef xpcom_base_MemoryReportingProcess_h 8 #define xpcom_base_MemoryReportingProcess_h 9 10 #include <stdint.h> 11 #include "nscore.h" 12 13 namespace mozilla { 14 namespace ipc { 15 class FileDescriptor; 16 } // namespace ipc 17 18 template <class T> 19 class Maybe; 20 21 // Top-level process actors should implement this to integrate with 22 // nsMemoryReportManager. 23 class MemoryReportingProcess { 24 public: 25 NS_IMETHOD_(MozExternalRefCountType) AddRef() = 0; 26 NS_IMETHOD_(MozExternalRefCountType) Release() = 0; 27 28 virtual ~MemoryReportingProcess() = default; 29 30 // Return true if the process is still alive, false otherwise. 31 virtual bool IsAlive() const = 0; 32 33 // Initiate a memory report request, returning true if a report was 34 // successfully initiated and false otherwise. 35 virtual bool SendRequestMemoryReport( 36 const uint32_t& aGeneration, const bool& aAnonymize, 37 const bool& aMinimizeMemoryUsage, 38 const Maybe<mozilla::ipc::FileDescriptor>& aDMDFile) = 0; 39 40 virtual int32_t Pid() const = 0; 41 }; 42 43 } // namespace mozilla 44 45 #endif // xpcom_base_MemoryReportingProcess_h 46