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 CMICmnLLDBBroadcaster::Initialize( void )
  58 {
  59         m_clientUsageRefCnt++;
  60
  61         if( m_bInitialized )
  62                 return MIstatus::success;
  63
  64         m_bInitialized = MIstatus::success;
  65
  66         return m_bInitialized;
  67 }
  68
  69 //++ ------------------------------------------------------------------------------------
  70 // Details:     Release resources for *this broardcaster object.
  71 // Type:        Method.
  72 // Args:        None.
  73 // Return:      MIstatus::success - Functionality succeeded.
  74 //                      MIstatus::failure - Functionality failed.
  75 // Throws:      None.
  76 //--
  77 bool CMICmnLLDBBroadcaster::Shutdown( void )
  78 {
  79         if( --m_clientUsageRefCnt > 0 )
  80                 return MIstatus::success;
  81
  82         if( !m_bInitialized )
  83                 return MIstatus::success;
  84
  85         m_bInitialized = false;
  86
  87         return MIstatus::success;
  88 }
  89