contrib/llvm/tools/lldb/source/Target/OperatingSystem.cpp

   1 //===-- OperatingSystem.cpp --------------------------------------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10
  11 #include "lldb/Target/OperatingSystem.h"
  12 // C Includes
  13 // C++ Includes
  14 // Other libraries and framework includes
  15 #include "lldb/Core/PluginManager.h"
  16 #include "lldb/Target/Thread.h"
  17
  18 using namespace lldb;
  19 using namespace lldb_private;
  20
  21
  22 OperatingSystem*
  23 OperatingSystem::FindPlugin (Process *process, const char *plugin_name)
  24 {
  25     OperatingSystemCreateInstance create_callback = NULL;
  26     if (plugin_name)
  27     {
  28         ConstString const_plugin_name(plugin_name);
  29         create_callback  = PluginManager::GetOperatingSystemCreateCallbackForPluginName (const_plugin_name);
  30         if (create_callback)
  31         {
  32             std::unique_ptr<OperatingSystem> instance_ap(create_callback(process, true));
  33             if (instance_ap.get())
  34                 return instance_ap.release();
  35         }
  36     }
  37     else
  38     {
  39         for (uint32_t idx = 0; (create_callback = PluginManager::GetOperatingSystemCreateCallbackAtIndex(idx)) != NULL; ++idx)
  40         {
  41             std::unique_ptr<OperatingSystem> instance_ap(create_callback(process, false));
  42             if (instance_ap.get())
  43                 return instance_ap.release();
  44         }
  45     }
  46     return NULL;
  47 }
  48
  49
  50 OperatingSystem::OperatingSystem (Process *process) :
  51     m_process (process)
  52 {
  53 }
  54
  55 OperatingSystem::~OperatingSystem()
  56 {
  57 }
  58
  59
  60 bool
  61 OperatingSystem::IsOperatingSystemPluginThread (const lldb::ThreadSP &thread_sp)
  62 {
  63     if (thread_sp)
  64         return thread_sp->IsOperatingSystemPluginThread();
  65     return false;
  66 }
  67