tools/lldb-mi/MICmnLLDBBroadcaster.cpp

   1 //===-- MICmnLLDBBroadcaster.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 // In-house headers:
  11 #include "MICmnLLDBBroadcaster.h"
  12
  13 //++
  14 //------------------------------------------------------------------------------------
  15 // Details: CMICmnLLDBBroadcaster constructor.
  16 // Type:    Method.
  17 // Args:    None.
  18 // Return:  None.
  19 // Throws:  None.
  20 //--
  21 CMICmnLLDBBroadcaster::CMICmnLLDBBroadcaster()
  22     : lldb::SBBroadcaster("MI driver") {}
  23
  24 //++
  25 //------------------------------------------------------------------------------------
  26 // Details: CMICmnLLDBBroadcaster destructor.
  27 // Type:    Overridable.
  28 // Args:    None.
  29 // Return:  None.
  30 // Throws:  None.
  31 //--
  32 CMICmnLLDBBroadcaster::~CMICmnLLDBBroadcaster() { Shutdown(); }
  33
  34 //++
  35 //------------------------------------------------------------------------------------
  36 // Details: Initialize resources for *this broadcaster object.
  37 // Type:    Method.
  38 // Args:    None.
  39 // Return:  MIstatus::success - Functionality succeeded.
  40 //          MIstatus::failure - Functionality failed.
  41 // Throws:  None.
  42 //--
  43 bool CMICmnLLDBBroadcaster::Initialize() {
  44   m_clientUsageRefCnt++;
  45
  46   if (m_bInitialized)
  47     return MIstatus::success;
  48
  49   m_bInitialized = MIstatus::success;
  50
  51   return m_bInitialized;
  52 }
  53
  54 //++
  55 //------------------------------------------------------------------------------------
  56 // Details: Release resources for *this broadcaster object.
  57 // Type:    Method.
  58 // Args:    None.
  59 // Return:  MIstatus::success - Functionality succeeded.
  60 //          MIstatus::failure - Functionality failed.
  61 // Throws:  None.
  62 //--
  63 bool CMICmnLLDBBroadcaster::Shutdown() {
  64   if (--m_clientUsageRefCnt > 0)
  65     return MIstatus::success;
  66
  67   if (!m_bInitialized)
  68     return MIstatus::success;
  69
  70   m_bInitialized = false;
  71
  72   return MIstatus::success;
  73 }