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