contrib/llvm/tools/lldb/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 //++
  11 // File:        MICmnLLDBBroadcaster.cpp
  12 //
  13 // Overview:    CMICmnLLDBBroadcaster implementation.
  14 //
  15 // Environment: Compilers:  Visual C++ 12.
  16 //                          gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
  17 //              Libraries:  See MIReadmetxt.
  18 //
  19 // Copyright:   None.
  20 //--
  21
  22 // In-house headers:
  23 #include "MICmnLLDBBroadcaster.h"
  24
  25 //++ ------------------------------------------------------------------------------------
  26 // Details: CMICmnLLDBBroadcaster constructor.
  27 // Type:    Method.
  28 // Args:    None.
  29 // Return:  None.
  30 // Throws:  None.
  31 //--
  32 CMICmnLLDBBroadcaster::CMICmnLLDBBroadcaster(void)
  33     : lldb::SBBroadcaster("MI driver")
  34 {
  35 }
  36
  37 //++ ------------------------------------------------------------------------------------
  38 // Details: CMICmnLLDBBroadcaster destructor.
  39 // Type:    Overridable.
  40 // Args:    None.
  41 // Return:  None.
  42 // Throws:  None.
  43 //--
  44 CMICmnLLDBBroadcaster::~CMICmnLLDBBroadcaster(void)
  45 {
  46     Shutdown();
  47 }
  48
  49 //++ ------------------------------------------------------------------------------------
  50 // Details: Initialize resources for *this broardcaster object.
  51 // Type:    Method.
  52 // Args:    None.
  53 // Return:  MIstatus::success - Functionality succeeded.
  54 //          MIstatus::failure - Functionality failed.
  55 // Throws:  None.
  56 //--
  57 bool
  58 CMICmnLLDBBroadcaster::Initialize(void)
  59 {
  60     m_clientUsageRefCnt++;
  61
  62     if (m_bInitialized)
  63         return MIstatus::success;
  64
  65     m_bInitialized = MIstatus::success;
  66
  67     return m_bInitialized;
  68 }
  69
  70 //++ ------------------------------------------------------------------------------------
  71 // Details: Release resources for *this broardcaster object.
  72 // Type:    Method.
  73 // Args:    None.
  74 // Return:  MIstatus::success - Functionality succeeded.
  75 //          MIstatus::failure - Functionality failed.
  76 // Throws:  None.
  77 //--
  78 bool
  79 CMICmnLLDBBroadcaster::Shutdown(void)
  80 {
  81     if (--m_clientUsageRefCnt > 0)
  82         return MIstatus::success;
  83
  84     if (!m_bInitialized)
  85         return MIstatus::success;
  86
  87     m_bInitialized = false;
  88
  89     return MIstatus::success;
  90 }