]> git.saurik.com Git - wxWidgets.git/blobdiff - src/os2/thread.cpp
added missing -univ package control files.
[wxWidgets.git] / src / os2 / thread.cpp
index 04769f4cb2ae2c7ae99597d0483e89acb5bb6d60..94de24c7cdc4d2353d6cf4f6b4c5a488db934f68 100644 (file)
@@ -53,21 +53,21 @@ wxMutex*                            p_wxMainMutex;
 wxThread*                           m_pThread;    // pointer to the wxWindows thread object
 
 // if it's FALSE, some secondary thread is holding the GUI lock
 wxThread*                           m_pThread;    // pointer to the wxWindows thread object
 
 // if it's FALSE, some secondary thread is holding the GUI lock
-static bool s_bGuiOwnedByMainThread = TRUE;
+static bool gs_bGuiOwnedByMainThread = TRUE;
 
 // critical section which controls access to all GUI functions: any secondary
 // thread (i.e. except the main one) must enter this crit section before doing
 // any GUI calls
 
 // critical section which controls access to all GUI functions: any secondary
 // thread (i.e. except the main one) must enter this crit section before doing
 // any GUI calls
-static wxCriticalSection *s_pCritsectGui = NULL;
+static wxCriticalSection *gs_pCritsectGui = NULL;
 
 // critical section which protects s_nWaitingForGui variable
 
 // critical section which protects s_nWaitingForGui variable
-static wxCriticalSection *s_pCritsectWaitingForGui = NULL;
+static wxCriticalSection *gs_pCritsectWaitingForGui = NULL;
 
 // number of threads waiting for GUI in wxMutexGuiEnter()
 
 // number of threads waiting for GUI in wxMutexGuiEnter()
-static size_t s_nWaitingForGui = 0;
+static size_t gs_nWaitingForGui = 0;
 
 // are we waiting for a thread termination?
 
 // are we waiting for a thread termination?
-static bool s_bWaitingForThread = FALSE;
+static bool gs_bWaitingForThread = FALSE;
 
 // ============================================================================
 // OS/2 implementation of thread classes
 
 // ============================================================================
 // OS/2 implementation of thread classes
@@ -232,7 +232,7 @@ wxCondition::~wxCondition()
 
 void wxCondition::Wait()
 {
 
 void wxCondition::Wait()
 {
-    (void)m_internal->Wait(SEM_INFINITE_WAIT);
+    (void)m_internal->Wait(SEM_INDEFINITE_WAIT);
 }
 
 bool wxCondition::Wait(
 }
 
 bool wxCondition::Wait(
@@ -356,10 +356,10 @@ ULONG wxThreadInternal::OS2ThreadStart(
     // enter m_critsect before changing the thread state
     pThread->m_critsect.Enter();
 
     // enter m_critsect before changing the thread state
     pThread->m_critsect.Enter();
 
-    bool                            bWasCancelled = thread->m_internal->GetState() == STATE_CANCELED;
+    bool                            bWasCancelled = pThread->m_internal->GetState() == STATE_CANCELED;
 
     pThread->m_internal->SetState(STATE_EXITED);
 
     pThread->m_internal->SetState(STATE_EXITED);
-    thread->m_critsect.Leave();
+    pThread->m_critsect.Leave();
 
     pThread->OnExit();
 
 
     pThread->OnExit();
 
@@ -368,7 +368,7 @@ ULONG wxThreadInternal::OS2ThreadStart(
     if (pThread->IsDetached() && !bWasCancelled)
     {
         // auto delete
     if (pThread->IsDetached() && !bWasCancelled)
     {
         // auto delete
-        delete thread;
+        delete pThread;
     }
     //else: the joinable threads handle will be closed when Wait() is done
     return dwRet;
     }
     //else: the joinable threads handle will be closed when Wait() is done
     return dwRet;
@@ -380,6 +380,7 @@ void wxThreadInternal::SetPriority(
 {
     // translate wxWindows priority to the PM one
     ULONG                           ulOS2_Priority;
 {
     // translate wxWindows priority to the PM one
     ULONG                           ulOS2_Priority;
+    ULONG                           ulrc;
 
     m_nPriority = nPriority;
 
 
     m_nPriority = nPriority;
 
@@ -582,7 +583,7 @@ wxThreadError wxThread::Delete(ExitCode *pRc)
         if (IsMain())
         {
             // set flag for wxIsWaitingForThread()
         if (IsMain())
         {
             // set flag for wxIsWaitingForThread()
-            gs_waitingForThread = TRUE;
+            gs_bWaitingForThread = TRUE;
 
 #if wxUSE_GUI
             wxBeginBusyCursor();
 
 #if wxUSE_GUI
             wxBeginBusyCursor();
@@ -596,73 +597,22 @@ wxThreadError wxThread::Delete(ExitCode *pRc)
         }
 
 #if wxUSE_GUI
         }
 
 #if wxUSE_GUI
-        // we can't just wait for the thread to terminate because it might be
-        // calling some GUI functions and so it will never terminate before we
-        // process the Windows messages that result from these functions
-        ULONG                       ulrc;
-        do
-        {
-            ulrc = ::MsgWaitForMultipleObjects
-                     (
-                       1,              // number of objects to wait for
-                       &hThread,       // the objects
-                       FALSE,          // don't wait for all objects
-                       INFINITE,       // no timeout
-                       QS_ALLEVENTS    // return as soon as there are any events
-                     );
-
-            switch ( result )
-            {
-                case 0xFFFFFFFF:
-                    // error
-                    wxLogSysError(_("Can not wait for thread termination"));
-                    Kill();
-                    return wxTHREAD_KILLED;
-
-                case WAIT_OBJECT_0:
-                    // thread we're waiting for terminated
-                    break;
-
-                case WAIT_OBJECT_0 + 1:
-                    // new message arrived, process it
-                    if ( !wxTheApp->DoMessage() )
-                    {
-                        // WM_QUIT received: kill the thread
-                        Kill();
-
-                        return wxTHREAD_KILLED;
-                    }
-
-                    if ( IsMain() )
-                    {
-                        // give the thread we're waiting for chance to exit
-                        // from the GUI call it might have been in
-                        if ( (gs_nWaitingForGui > 0) && wxGuiOwnedByMainThread() )
-                        {
-                            wxMutexGuiLeave();
-                        }
-                    }
-
-                    break;
-
-                default:
-                    wxFAIL_MSG(wxT("unexpected result of MsgWaitForMultipleObject"));
-            }
-        } while ( result != WAIT_OBJECT_0 );
-#else // !wxUSE_GUI
-        // simply wait for the thread to terminate
-        //
-        // OTOH, even console apps create windows (in wxExecute, for WinSock
-        // &c), so may be use MsgWaitForMultipleObject() too here?
-        if ( WaitForSingleObject(hThread, INFINITE) != WAIT_OBJECT_0 )
+        // need a way to finish GUI processing before killing the thread
+        // until then we just exit
+
+        if ((gs_nWaitingForGui > 0) && wxGuiOwnedByMainThread())
         {
         {
-            wxFAIL_MSG(wxT("unexpected result of WaitForSingleObject"));
+            wxMutexGuiLeave();
         }
         }
+#else // !wxUSE_GUI
+
+        // can't wait for yourself to end under OS/2 so just quit
+
 #endif // wxUSE_GUI/!wxUSE_GUI
 
         if ( IsMain() )
         {
 #endif // wxUSE_GUI/!wxUSE_GUI
 
         if ( IsMain() )
         {
-            gs_waitingForThread = FALSE;
+            gs_bWaitingForThread = FALSE;
 
 #if wxUSE_GUI
             wxEndBusyCursor();
 
 #if wxUSE_GUI
             wxEndBusyCursor();
@@ -670,25 +620,13 @@ wxThreadError wxThread::Delete(ExitCode *pRc)
         }
     }
 
         }
     }
 
-    if ( !::GetExitCodeThread(hThread, (LPDWORD)&rc) )
-    {
-        wxLogLastError("GetExitCodeThread");
-
-        rc = (ExitCode)-1;
-    }
-
-    if ( IsDetached() )
+    ::DosExit(0, 0);
+    // probably won't get this far, but
+    if (IsDetached())
     {
     {
-        // if the thread exits normally, this is done in WinThreadStart, but in
-        // this case it would have been too early because
-        // MsgWaitForMultipleObject() would fail if the therad handle was
-        // closed while we were waiting on it, so we must do it here
         delete this;
     }
 
         delete this;
     }
 
-    wxASSERT_MSG( (DWORD)rc != STILL_ACTIVE,
-                  wxT("thread must be already terminated.") );
-
     if ( pRc )
         *pRc = rc;
 
     if ( pRc )
         *pRc = rc;
 
@@ -701,14 +639,19 @@ wxThreadError wxThread::Kill()
         return wxTHREAD_NOT_RUNNING;
 
     ::DosKillThread(m_internal->GetHandle());
         return wxTHREAD_NOT_RUNNING;
 
     ::DosKillThread(m_internal->GetHandle());
-    delete this;
+    m_internal->Free();
+    if (IsDetached())
+    {
+        delete this;
+    }
     return wxTHREAD_NO_ERROR;
 }
 
 void wxThread::Exit(
     return wxTHREAD_NO_ERROR;
 }
 
 void wxThread::Exit(
-  void*                             pStatus
+  ExitCode                          pStatus
 )
 {
 )
 {
+    m_internal->Free();
     delete this;
     ::DosExit(EXIT_THREAD, ULONG(pStatus));
     wxFAIL_MSG(wxT("Couldn't return from DosExit()!"));
     delete this;
     ::DosExit(EXIT_THREAD, ULONG(pStatus));
     wxFAIL_MSG(wxT("Couldn't return from DosExit()!"));
@@ -730,11 +673,18 @@ unsigned int wxThread::GetPriority() const
     return m_internal->GetPriority();
 }
 
     return m_internal->GetPriority();
 }
 
+unsigned long wxThread::GetId() const
+{
+    wxCriticalSectionLocker lock((wxCriticalSection &)m_critsect); // const_cast
+
+    return (unsigned long)m_internal->GetId();
+}
+
 bool wxThread::IsRunning() const
 {
     wxCriticalSectionLocker         lock((wxCriticalSection &)m_critsect);
 
 bool wxThread::IsRunning() const
 {
     wxCriticalSectionLocker         lock((wxCriticalSection &)m_critsect);
 
-    return m_internal->GetState() == STATE_RUNNING;
+    return(m_internal->GetState() == STATE_RUNNING);
 }
 
 bool wxThread::IsAlive() const
 }
 
 bool wxThread::IsAlive() const
@@ -759,11 +709,6 @@ bool wxThread::TestDestroy()
     return m_internal->GetState() == STATE_CANCELED;
 }
 
     return m_internal->GetState() == STATE_CANCELED;
 }
 
-wxThread::~wxThread()
-{
-    delete m_internal;
-}
-
 // ----------------------------------------------------------------------------
 // Automatic initialization for thread module
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // Automatic initialization for thread module
 // ----------------------------------------------------------------------------
@@ -782,10 +727,10 @@ IMPLEMENT_DYNAMIC_CLASS(wxThreadModule, wxModule)
 
 bool wxThreadModule::OnInit()
 {
 
 bool wxThreadModule::OnInit()
 {
-    s_pCritsectWaitingForGui = new wxCriticalSection();
+    gs_pCritsectWaitingForGui = new wxCriticalSection();
 
 
-    s_pCritsectGui = new wxCriticalSection();
-    s_pCritsectGui->Enter();
+    gs_pCritsectGui = new wxCriticalSection();
+    gs_pCritsectGui->Enter();
 
     PTIB                            ptib;
     PPIB                            ppib;
 
     PTIB                            ptib;
     PPIB                            ppib;
@@ -798,14 +743,18 @@ bool wxThreadModule::OnInit()
 
 void wxThreadModule::OnExit()
 {
 
 void wxThreadModule::OnExit()
 {
-    if (s_pCritsectGui)
+    if (gs_pCritsectGui)
     {
     {
-        s_pCritsectGui->Leave();
-        delete s_pCritsectGui;
-        s_pCritsectGui = NULL;
+        gs_pCritsectGui->Leave();
+#if (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
+        delete gs_pCritsectGui;
+#endif
+        gs_pCritsectGui = NULL;
     }
 
     }
 
-    wxDELETE(s_pCritsectWaitingForGui);
+#if (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
+    wxDELETE(gs_pCritsectWaitingForGui);
+#endif
 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------
@@ -819,24 +768,24 @@ void WXDLLEXPORT wxWakeUpMainThread()
 
 void WXDLLEXPORT wxMutexGuiLeave()
 {
 
 void WXDLLEXPORT wxMutexGuiLeave()
 {
-    wxCriticalSectionLocker enter(*s_pCritsectWaitingForGui);
+    wxCriticalSectionLocker enter(*gs_pCritsectWaitingForGui);
 
     if ( wxThread::IsMain() )
     {
 
     if ( wxThread::IsMain() )
     {
-        s_bGuiOwnedByMainThread = FALSE;
+        gs_bGuiOwnedByMainThread = FALSE;
     }
     else
     {
         // decrement the number of waiters now
     }
     else
     {
         // decrement the number of waiters now
-        wxASSERT_MSG( s_nWaitingForGui > 0,
+        wxASSERT_MSG(gs_nWaitingForGui > 0,
                       wxT("calling wxMutexGuiLeave() without entering it first?") );
 
                       wxT("calling wxMutexGuiLeave() without entering it first?") );
 
-        s_nWaitingForGui--;
+        gs_nWaitingForGui--;
 
         wxWakeUpMainThread();
     }
 
 
         wxWakeUpMainThread();
     }
 
-    s_pCritsectGui->Leave();
+    gs_pCritsectGui->Leave();
 }
 
 void WXDLLEXPORT wxMutexGuiLeaveOrEnter()
 }
 
 void WXDLLEXPORT wxMutexGuiLeaveOrEnter()
@@ -844,17 +793,17 @@ void WXDLLEXPORT wxMutexGuiLeaveOrEnter()
     wxASSERT_MSG( wxThread::IsMain(),
                   wxT("only main thread may call wxMutexGuiLeaveOrEnter()!") );
 
     wxASSERT_MSG( wxThread::IsMain(),
                   wxT("only main thread may call wxMutexGuiLeaveOrEnter()!") );
 
-    wxCriticalSectionLocker enter(*s_pCritsectWaitingForGui);
+    wxCriticalSectionLocker enter(*gs_pCritsectWaitingForGui);
 
 
-    if ( s_nWaitingForGui == 0 )
+    if (gs_nWaitingForGui == 0)
     {
         // no threads are waiting for GUI - so we may acquire the lock without
         // any danger (but only if we don't already have it)
         if (!wxGuiOwnedByMainThread())
         {
     {
         // no threads are waiting for GUI - so we may acquire the lock without
         // any danger (but only if we don't already have it)
         if (!wxGuiOwnedByMainThread())
         {
-            s_pCritsectGui->Enter();
+            gs_pCritsectGui->Enter();
 
 
-            s_bGuiOwnedByMainThread = TRUE;
+            gs_bGuiOwnedByMainThread = TRUE;
         }
         //else: already have it, nothing to do
     }
         }
         //else: already have it, nothing to do
     }
@@ -871,12 +820,12 @@ void WXDLLEXPORT wxMutexGuiLeaveOrEnter()
 
 bool WXDLLEXPORT wxGuiOwnedByMainThread()
 {
 
 bool WXDLLEXPORT wxGuiOwnedByMainThread()
 {
-    return s_bGuiOwnedByMainThread;
+    return gs_bGuiOwnedByMainThread;
 }
 
 bool WXDLLEXPORT wxIsWaitingForThread()
 {
 }
 
 bool WXDLLEXPORT wxIsWaitingForThread()
 {
-    return s_bWaitingForThread;
+    return gs_bWaitingForThread;
 }
 
 #endif
 }
 
 #endif