1 files changed, 55 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Initialization/SystemLifetimeManager.cpp b/contrib/llvm-project/lldb/source/Initialization/SystemLifetimeManager.cpp
new file mode 100644
index 000000000000..f9de41a67535
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/Initialization/SystemLifetimeManager.cpp
@@ -0,0 +1,55 @@
+//===-- SystemLifetimeManager.cpp -----------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Initialization/SystemLifetimeManager.h"
+
+#include "lldb/Core/Debugger.h"
+#include "lldb/Initialization/SystemInitializer.h"
+
+#include <utility>
+
+using namespace lldb_private;
+
+SystemLifetimeManager::SystemLifetimeManager() : m_mutex() {}
+
+SystemLifetimeManager::~SystemLifetimeManager() {
+  assert(!m_initialized &&
+         "SystemLifetimeManager destroyed without calling Terminate!");
+}
+
+llvm::Error SystemLifetimeManager::Initialize(
+    std::unique_ptr<SystemInitializer> initializer,
+    LoadPluginCallbackType plugin_callback) {
+  std::lock_guard<std::recursive_mutex> guard(m_mutex);
+  if (!m_initialized) {
+    assert(!m_initializer && "Attempting to call "
+                             "SystemLifetimeManager::Initialize() when it is "
+                             "already initialized");
+    m_initialized = true;
+    m_initializer = std::move(initializer);
+
+    if (auto e = m_initializer->Initialize())
+      return e;
+
+    Debugger::Initialize(plugin_callback);
+  }
+
+  return llvm::Error::success();
+}
+
+void SystemLifetimeManager::Terminate() {
+  std::lock_guard<std::recursive_mutex> guard(m_mutex);
+
+  if (m_initialized) {
+    Debugger::Terminate();
+    m_initializer->Terminate();
+
+    m_initializer.reset();
+    m_initialized = false;
+  }
+}