3 files changed, 106 insertions, 0 deletions
diff --git a/include/lldb/Initialization/SystemInitializer.h b/include/lldb/Initialization/SystemInitializer.h
new file mode 100644
index 000000000000..c7f98f24ae48
--- /dev/null
+++ b/include/lldb/Initialization/SystemInitializer.h
@@ -0,0 +1,26 @@
+//===-- SystemInitializer.h -------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDB_INITIALIZATION_SYSTEM_INITIALIZER_H
+#define LLDB_INITIALIZATION_SYSTEM_INITIALIZER_H
+
+namespace lldb_private
+{
+class SystemInitializer
+{
+  public:
+    SystemInitializer();
+    virtual ~SystemInitializer();
+
+    virtual void Initialize() = 0;
+    virtual void Terminate() = 0;
+};
+}
+
+#endif
diff --git a/include/lldb/Initialization/SystemInitializerCommon.h b/include/lldb/Initialization/SystemInitializerCommon.h
new file mode 100644
index 000000000000..af66c93a5e48
--- /dev/null
+++ b/include/lldb/Initialization/SystemInitializerCommon.h
@@ -0,0 +1,38 @@
+//===-- SystemInitializerCommon.h -------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDB_INITIALIZATION_SYSTEM_INITIALIZER_COMMON_H
+#define LLDB_INITIALIZATION_SYSTEM_INITIALIZER_COMMON_H
+
+#include "SystemInitializer.h"
+
+namespace lldb_private
+{
+//------------------------------------------------------------------
+/// Initializes common lldb functionality.
+///
+/// This class is responsible for initializing a subset of lldb
+/// useful to both debug servers and debug clients.  Debug servers
+/// do not use all of LLDB and desire small binary sizes, so this
+/// functionality is separate.  This class is used by constructing
+/// an instance of SystemLifetimeManager with this class passed to
+/// the constructor.
+//------------------------------------------------------------------
+class SystemInitializerCommon : public SystemInitializer
+{
+  public:
+    SystemInitializerCommon();
+    virtual ~SystemInitializerCommon();
+
+    void Initialize() override;
+    void Terminate() override;
+};
+}
+
+#endif
diff --git a/include/lldb/Initialization/SystemLifetimeManager.h b/include/lldb/Initialization/SystemLifetimeManager.h
new file mode 100644
index 000000000000..843ec2820677
--- /dev/null
+++ b/include/lldb/Initialization/SystemLifetimeManager.h
@@ -0,0 +1,42 @@
+//===-- SystemLifetimeManager.h -------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDB_INITIALIZATION_SYSTEM_LIFETIME_MANAGER_H
+#define LLDB_INITIALIZATION_SYSTEM_LIFETIME_MANAGER_H
+
+#include "lldb/lldb-private-types.h"
+#include "lldb/Host/Mutex.h"
+
+#include <memory>
+
+namespace lldb_private
+{
+class SystemInitializer;
+
+class SystemLifetimeManager
+{
+  public:
+    SystemLifetimeManager();
+    ~SystemLifetimeManager();
+
+    void Initialize(std::unique_ptr<SystemInitializer> initializer, LoadPluginCallbackType plugin_callback);
+    void Terminate();
+
+  private:
+    Mutex m_mutex;
+    std::unique_ptr<SystemInitializer> m_initializer;
+    bool m_initialized;
+
+    // Noncopyable.
+    SystemLifetimeManager(const SystemLifetimeManager &other) = delete;
+    SystemLifetimeManager &operator=(const SystemLifetimeManager &other) = delete;
+};
+}
+
+#endif