src/gtk1/threadno.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        thread.cpp
   3 // Purpose:     Solaris thread support
   4 // Author:      Guilhem Lavaux
   5 // Modified by:
   6 // Created:     04/22/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Wolfram Gloger (1996, 1997); Guilhem Lavaux (1998)
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13     #pragma implementation "thread.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #include "wx/wx.h"
  20 #include "wx/module.h"
  21 #include "wx/thread.h"
  22 #include "wx/log.h"
  23
  24 wxMutex::wxMutex()
  25 {
  26     m_locked = 0;
  27 }
  28
  29 wxMutex::~wxMutex()
  30 {
  31     if (m_locked)
  32         wxLogDebug( "wxMutex warning: destroying a locked mutex (%d locks)", m_locked );
  33 }
  34
  35 wxMutexError wxMutex::Lock()
  36 {
  37     m_locked++;
  38     return wxMUTEX_NO_ERROR;
  39 }
  40
  41 wxMutexError wxMutex::TryLock()
  42 {
  43     if (m_locked > 0)
  44         return wxMUTEX_BUSY;
  45     m_locked++;
  46     return wxMUTEX_NO_ERROR;
  47 }
  48
  49 wxMutexError wxMutex::Unlock()
  50 {
  51     if (m_locked == 0)
  52         return wxMUTEX_UNLOCKED;
  53     m_locked--;
  54     return wxMUTEX_NO_ERROR;
  55 }
  56
  57 wxCondition::wxCondition()
  58 {
  59 }
  60
  61 wxCondition::~wxCondition()
  62 {
  63 }
  64
  65 void wxCondition::Wait(wxMutex& WXUNUSED(mutex))
  66 {
  67 }
  68
  69 bool wxCondition::Wait(wxMutex& WXUNUSED(mutex), unsigned long WXUNUSED(sec),
  70         unsigned long WXUNUSED(nsec))
  71 {
  72     return FALSE;
  73 }
  74
  75 void wxCondition::Signal()
  76 {
  77 }
  78
  79 void wxCondition::Broadcast()
  80 {
  81 }
  82
  83 struct wxThreadInternal
  84 {
  85     int thread_id;
  86     void* exit_status;
  87 };
  88
  89 wxThreadError wxThread::Create()
  90 {
  91     p_internal->exit_status = Entry();
  92     OnExit();
  93     return wxTHREAD_NO_ERROR;
  94 }
  95
  96 wxThreadError wxThread::Destroy()
  97 {
  98     return wxTHREAD_NOT_RUNNING;
  99 }
 100
 101 wxThreadError wxThread::Pause()
 102 {
 103     return wxTHREAD_NOT_RUNNING;
 104 }
 105
 106 wxThreadError wxThread::Resume()
 107 {
 108     return wxTHREAD_NOT_RUNNING;
 109 }
 110
 111 void wxThread::DeferDestroy( bool WXUNUSED(on) )
 112 {
 113 }
 114
 115 void wxThread::TestDestroy()
 116 {
 117 }
 118
 119 void *wxThread::Join()
 120 {
 121     return p_internal->exit_status;
 122 }
 123
 124 unsigned long wxThread::GetID() const
 125 {
 126     return 0;
 127 }
 128
 129 bool wxThread::IsMain()
 130 {
 131     return TRUE;
 132 }
 133
 134 bool wxThread::IsRunning() const
 135 {
 136     return FALSE;
 137 }
 138
 139 bool wxThread::IsAlive() const
 140 {
 141     return FALSE;
 142 }
 143
 144 void wxThread::SetPriority(int WXUNUSED(prio)) { }
 145 int wxThread::GetPriority() const { return 0; }
 146
 147 wxMutex *wxMainMutex; // controls access to all GUI functions
 148
 149 wxThread::wxThread()
 150 {
 151     p_internal = new wxThreadInternal();
 152 }
 153
 154 wxThread::~wxThread()
 155 {
 156     Destroy();
 157     Join();
 158     delete p_internal;
 159 }
 160
 161 // The default callback just joins the thread and throws away the result.
 162 void wxThread::OnExit()
 163 {
 164     Join();
 165 }
 166
 167 IMPLEMENT_DYNAMIC_CLASS(wxThreadModule, wxModule)
 168
 169 bool wxThreadModule::OnInit()
 170 {
 171     wxMainMutex = new wxMutex();
 172     wxMainMutex->Lock();
 173     return TRUE;
 174 }
 175
 176 void wxThreadModule::OnExit()
 177 {
 178     wxMainMutex->Unlock();
 179     delete wxMainMutex;
 180 }
 181
 182
 183
 184 void wxMutexGuiEnter()
 185 {
 186 }
 187
 188 void wxMutexGuiLeave()
 189 {
 190 }