51 lines · cpp
1//===-- SystemLifetimeManager.cpp -----------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "lldb/Initialization/SystemLifetimeManager.h"10 11#include "lldb/Initialization/SystemInitializer.h"12 13#include <utility>14 15using namespace lldb_private;16 17SystemLifetimeManager::SystemLifetimeManager() : m_mutex() {}18 19SystemLifetimeManager::~SystemLifetimeManager() {20 assert(!m_initialized &&21 "SystemLifetimeManager destroyed without calling Terminate!");22}23 24llvm::Error SystemLifetimeManager::Initialize(25 std::unique_ptr<SystemInitializer> initializer) {26 std::lock_guard<std::recursive_mutex> guard(m_mutex);27 if (!m_initialized) {28 assert(!m_initializer && "Attempting to call "29 "SystemLifetimeManager::Initialize() when it is "30 "already initialized");31 m_initialized = true;32 m_initializer = std::move(initializer);33 34 if (auto e = m_initializer->Initialize())35 return e;36 }37 38 return llvm::Error::success();39}40 41void SystemLifetimeManager::Terminate() {42 std::lock_guard<std::recursive_mutex> guard(m_mutex);43 44 if (m_initialized) {45 m_initializer->Terminate();46 47 m_initializer.reset();48 m_initialized = false;49 }50}51