src/common/process.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        process.cpp
   3 // Purpose:     Process termination classes
   4 // Author:      Guilhem Lavaux
   5 // Modified by: Vadim Zeitlin to check error codes, added Detach() method
   6 // Created:     24/06/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Guilhem Lavaux
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13     #pragma implementation "process.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20     #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/defs.h"
  25 #endif
  26
  27 #include "wx/process.h"
  28
  29 IMPLEMENT_DYNAMIC_CLASS(wxProcess, wxEvtHandler)
  30 IMPLEMENT_DYNAMIC_CLASS(wxProcessEvent, wxEvent)
  31
  32 wxProcess::wxProcess(wxEvtHandler *parent, bool needPipe, int id)
  33 {
  34     if (parent)
  35         SetNextHandler(parent);
  36
  37     m_id         = id;
  38     m_needPipe   = needPipe;
  39     m_in_stream  = NULL;
  40     m_out_stream = NULL;
  41 }
  42
  43 wxProcess::~wxProcess()
  44 {
  45     if (m_in_stream)
  46       delete m_in_stream;
  47     if (m_out_stream)
  48       delete m_out_stream;
  49 }
  50
  51 void wxProcess::OnTerminate(int pid, int status)
  52 {
  53     wxProcessEvent event(m_id, pid, status);
  54
  55     if ( !ProcessEvent(event) )
  56         delete this;
  57     //else: the object which processed the event is responsible for deleting
  58     //      us!
  59 }
  60
  61 void wxProcess::Detach()
  62 {
  63     SetNextHandler(NULL);
  64 }
  65
  66 void wxProcess::SetPipeStreams(wxInputStream *in_stream, wxOutputStream *out_stream)
  67 {
  68     m_in_stream  = in_stream;
  69     m_out_stream = out_stream;
  70 }
  71
  72 wxInputStream *wxProcess::GetInputStream() const
  73 {
  74     return m_in_stream;
  75 }
  76
  77 wxOutputStream *wxProcess::GetOutputStream() const
  78 {
  79     return m_out_stream;
  80 }
  81
  82 bool wxProcess::NeedPipe() const
  83 {
  84     return m_needPipe;
  85 }