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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "lldb/Initialization/SystemLifetimeManager.h" 10 11 #include "lldb/Initialization/SystemInitializer.h" 12 13 #include <utility> 14 15 using namespace lldb_private; 16 SystemLifetimeManager()17SystemLifetimeManager::SystemLifetimeManager() : m_mutex() {} 18 ~SystemLifetimeManager()19SystemLifetimeManager::~SystemLifetimeManager() { 20 assert(!m_initialized && 21 "SystemLifetimeManager destroyed without calling Terminate!"); 22 } 23 Initialize(std::unique_ptr<SystemInitializer> initializer)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 Terminate()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