]> git.saurik.com Git - wxWidgets.git/blobdiff - src/unix/threadpsx.cpp
instead of ignoring all unknown MIME keywords, ignore only those not starting with...
[wxWidgets.git] / src / unix / threadpsx.cpp
index 47e9a41e626f6413dfb53ab2744031944cc61728..2c68b71db9be562d3ea8d4fd54cc87798403d736 100644 (file)
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "thread.h"
 #endif
 
-#include "wx/defs.h"
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 #if wxUSE_THREADS
 
     #include <sys/resource.h>
 #endif
 
+#ifdef __VMS
+    #define THR_ID(thr) ((long long)(thr)->GetId())
+#else
+    #define THR_ID(thr) ((long)(thr)->GetId())
+#endif
+
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
@@ -122,10 +129,10 @@ static wxMutex *gs_mutexDeleteThread = (wxMutex *)NULL;
 // gs_nThreadsBeingDeleted will have been deleted
 static wxCondition *gs_condAllDeleted = (wxCondition *)NULL;
 
-#if wxUSE_GUI
-    // this mutex must be acquired before any call to a GUI function
-    static wxMutex *gs_mutexGui;
-#endif // wxUSE_GUI
+// this mutex must be acquired before any call to a GUI function
+// (it's not inside #if wxUSE_GUI because this file is compiled as part
+// of wxBase)
+static wxMutex *gs_mutexGui = NULL;
 
 // when we wait for a thread to exit, we're blocking on a condition which the
 // thread signals in its SignalExit() method -- but this condition can't be a
@@ -166,6 +173,12 @@ private:
     friend class wxConditionInternal;
 };
 
+#ifdef HAVE_PTHREAD_MUTEXATTR_T
+// on some systems pthread_mutexattr_settype() is not in the headers (but it is
+// in the library, otherwise we wouldn't compile this code at all)
+extern "C" int pthread_mutexattr_settype(pthread_mutexattr_t *, int);
+#endif
+
 wxMutexInternal::wxMutexInternal(wxMutexType mutexType)
 {
     int err;
@@ -495,8 +508,8 @@ wxSemaError wxSemaphoreInternal::Wait()
             return wxSEMA_MISC_ERROR;
 
         wxLogTrace(TRACE_SEMA,
-                   "Thread %ld finished waiting for semaphore, count = %u",
-                   wxThread::GetCurrentId(), m_count);
+                   "Thread %ld finished waiting for semaphore, count = %lu",
+                   wxThread::GetCurrentId(), (unsigned long)m_count);
     }
 
     m_count--;
@@ -532,8 +545,17 @@ wxSemaError wxSemaphoreInternal::WaitTimeout(unsigned long milliseconds)
             return wxSEMA_TIMEOUT;
         }
 
-        if ( m_cond.Wait(remainingTime) != wxCOND_NO_ERROR )
-            return wxSEMA_MISC_ERROR;
+        switch ( m_cond.WaitTimeout(remainingTime) )
+        {
+            case wxCOND_TIMEOUT:
+                return wxSEMA_TIMEOUT;
+
+            default:
+                return wxSEMA_MISC_ERROR;
+
+            case wxCOND_NO_ERROR:
+                ;
+        }
     }
 
     m_count--;
@@ -553,9 +575,9 @@ wxSemaError wxSemaphoreInternal::Post()
     m_count++;
 
     wxLogTrace(TRACE_SEMA,
-               "Thread %ld about to signal semaphore, count = %u",
-               wxThread::GetCurrentId(), m_count);
-    
+               "Thread %ld about to signal semaphore, count = %lu",
+               wxThread::GetCurrentId(), (unsigned long)m_count);
+
     return m_cond.Signal() == wxCOND_NO_ERROR ? wxSEMA_NO_ERROR
                                               : wxSEMA_MISC_ERROR;
 }
@@ -620,7 +642,7 @@ public:
         };
 
         wxLogTrace(TRACE_THREADS, _T("Thread %ld: %s => %s."),
-                   GetId(), stateNames[m_state], stateNames[state]);
+                   (long)GetId(), stateNames[m_state], stateNames[state]);
 #endif // __WXDEBUG__
 
         m_state = state;
@@ -696,7 +718,7 @@ void *wxThreadInternal::PthreadStart(wxThread *thread)
 {
     wxThreadInternal *pthread = thread->m_internal;
 
-    wxLogTrace(TRACE_THREADS, _T("Thread %ld started."), pthread->GetId());
+    wxLogTrace(TRACE_THREADS, _T("Thread %ld started."), THR_ID(pthread));
 
     // associate the thread pointer with the newly created thread so that
     // wxThread::This() will work
@@ -733,13 +755,15 @@ void *wxThreadInternal::PthreadStart(wxThread *thread)
     if ( !dontRunAtAll )
     {
         // call the main entry
-        wxLogTrace(TRACE_THREADS, _T("Thread %ld about to enter its Entry()."),
-                   pthread->GetId());
+        wxLogTrace(TRACE_THREADS,
+                   _T("Thread %ld about to enter its Entry()."),
+                   THR_ID(pthread));
 
         pthread->m_exitcode = thread->Entry();
 
-        wxLogTrace(TRACE_THREADS, _T("Thread %ld Entry() returned %lu."),
-                   pthread->GetId(), (unsigned long)pthread->m_exitcode);
+        wxLogTrace(TRACE_THREADS,
+                   _T("Thread %ld Entry() returned %lu."),
+                   THR_ID(pthread), (unsigned long)pthread->m_exitcode);
 
         {
             wxCriticalSectionLocker lock(thread->m_critsect);
@@ -849,7 +873,8 @@ void wxThreadInternal::Wait()
         wxMutexGuiLeave();
 
     wxLogTrace(TRACE_THREADS,
-               _T("Starting to wait for thread %ld to exit."), GetId());
+               _T("Starting to wait for thread %ld to exit."),
+               THR_ID(this));
 
     // to avoid memory leaks we should call pthread_join(), but it must only be
     // done once so use a critical section to serialize the code below
@@ -862,7 +887,7 @@ void wxThreadInternal::Wait()
             //       we're cancelled inside pthread_join(), things will almost
             //       certainly break - but if we disable the cancellation, we
             //       might deadlock
-            if ( pthread_join((pthread_t)GetId(), &m_exitcode) != 0 )
+            if ( pthread_join(GetId(), &m_exitcode) != 0 )
             {
                 // this is a serious problem, so use wxLogError and not
                 // wxLogDebug: it is possible to bring the system to its knees
@@ -888,7 +913,8 @@ void wxThreadInternal::Pause()
     wxCHECK_RET( m_state == STATE_PAUSED,
                  wxT("thread must first be paused with wxThread::Pause().") );
 
-    wxLogTrace(TRACE_THREADS, _T("Thread %ld goes to sleep."), GetId());
+   wxLogTrace(TRACE_THREADS,
+              _T("Thread %ld goes to sleep."), THR_ID(this));
 
     // wait until the semaphore is Post()ed from Resume()
     m_semSuspend.Wait();
@@ -903,7 +929,8 @@ void wxThreadInternal::Resume()
     // TestDestroy() since the last call to Pause() for example
     if ( IsReallyPaused() )
     {
-        wxLogTrace(TRACE_THREADS, _T("Waking up thread %ld"), GetId());
+       wxLogTrace(TRACE_THREADS,
+                  _T("Waking up thread %ld"), THR_ID(this));
 
         // wake up Pause()
         m_semSuspend.Post();
@@ -913,8 +940,8 @@ void wxThreadInternal::Resume()
     }
     else
     {
-        wxLogTrace(TRACE_THREADS, _T("Thread %ld is not yet really paused"),
-                   GetId());
+        wxLogTrace(TRACE_THREADS,
+                   _T("Thread %ld is not yet really paused"), THR_ID(this));
     }
 
     SetState(STATE_RUNNING);
@@ -960,8 +987,8 @@ int wxThread::GetCPUCount()
         wxString s;
         if ( file.ReadAll(&s) )
         {
-            // (ab)use Replace() to find the number of "processor" strings
-            size_t count = s.Replace(_T("processor"), _T(""));
+            // (ab)use Replace() to find the number of "processor: num" strings
+            size_t count = s.Replace(_T("processor\t:"), _T(""));
             if ( count > 0 )
             {
                 return count;
@@ -987,19 +1014,24 @@ int wxThread::GetCPUCount()
     return -1;
 }
 
+// VMS is a 64 bit system and threads have 64 bit pointers.
+// FIXME: also needed for other systems????
 #ifdef __VMS
-  // VMS is a 64 bit system and threads have 64 bit pointers.
-  // ??? also needed for other systems????
 unsigned long long wxThread::GetCurrentId()
 {
     return (unsigned long long)pthread_self();
-#else
+}
+
+#else // !__VMS
+
 unsigned long wxThread::GetCurrentId()
 {
     return (unsigned long)pthread_self();
-#endif
 }
 
+#endif // __VMS/!__VMS
+
+
 bool wxThread::SetConcurrency(size_t level)
 {
 #ifdef HAVE_THR_SETCONCURRENCY
@@ -1573,11 +1605,8 @@ bool wxThreadModule::OnInit()
 
     gs_tidMain = pthread_self();
 
-#if wxUSE_GUI
     gs_mutexGui = new wxMutex();
-
     gs_mutexGui->Lock();
-#endif // wxUSE_GUI
 
     gs_mutexDeleteThread = new wxMutex();
     gs_condAllDeleted = new wxCondition( *gs_mutexDeleteThread );
@@ -1598,8 +1627,9 @@ void wxThreadModule::OnExit()
 
         if ( nThreadsBeingDeleted > 0 )
         {
-            wxLogTrace(TRACE_THREADS, _T("Waiting for %u threads to disappear"),
-                       nThreadsBeingDeleted);
+            wxLogTrace(TRACE_THREADS,
+                       _T("Waiting for %lu threads to disappear"),
+                       (unsigned long)nThreadsBeingDeleted);
 
             // have to wait until all of them disappear
             gs_condAllDeleted->Wait();
@@ -1610,8 +1640,8 @@ void wxThreadModule::OnExit()
     size_t count = gs_allThreads.GetCount();
     if ( count != 0u )
     {
-        wxLogDebug(wxT("%u threads were not terminated by the application."),
-                   count);
+        wxLogDebug(wxT("%lu threads were not terminated by the application."),
+                   (unsigned long)count);
     }
 
     for ( size_t n = 0u; n < count; n++ )
@@ -1621,12 +1651,9 @@ void wxThreadModule::OnExit()
         gs_allThreads[0]->Delete();
     }
 
-#if wxUSE_GUI
     // destroy GUI mutex
     gs_mutexGui->Unlock();
-
     delete gs_mutexGui;
-#endif // wxUSE_GUI
 
     // and free TLD slot
     (void)pthread_key_delete(gs_keySelf);
@@ -1645,8 +1672,8 @@ static void ScheduleThreadForDeletion()
 
     gs_nThreadsBeingDeleted++;
 
-    wxLogTrace(TRACE_THREADS, _T("%u thread%s waiting to be deleted"),
-               gs_nThreadsBeingDeleted,
+    wxLogTrace(TRACE_THREADS, _T("%lu thread%s waiting to be deleted"),
+               (unsigned long)gs_nThreadsBeingDeleted,
                gs_nThreadsBeingDeleted == 1 ? "" : "s");
 }
 
@@ -1663,8 +1690,8 @@ static void DeleteThread(wxThread *This)
     wxCHECK_RET( gs_nThreadsBeingDeleted > 0,
                  _T("no threads scheduled for deletion, yet we delete one?") );
 
-    wxLogTrace(TRACE_THREADS, _T("%u scheduled for deletion threads left."),
-               gs_nThreadsBeingDeleted - 1);
+    wxLogTrace(TRACE_THREADS, _T("%lu scheduled for deletion threads left."),
+               (unsigned long)gs_nThreadsBeingDeleted - 1);
 
     if ( !--gs_nThreadsBeingDeleted )
     {
@@ -1675,16 +1702,12 @@ static void DeleteThread(wxThread *This)
 
 void wxMutexGuiEnter()
 {
-#if wxUSE_GUI
     gs_mutexGui->Lock();
-#endif // wxUSE_GUI
 }
 
 void wxMutexGuiLeave()
 {
-#if wxUSE_GUI
     gs_mutexGui->Unlock();
-#endif // wxUSE_GUI
 }
 
 // ----------------------------------------------------------------------------