X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a94c4b852932bb38a5aeef612d6cedb57bd6e2ac..64ea838d8f4d1853b7d850db93ee565e901d099a:/src/unix/threadpsx.cpp

diff --git a/src/unix/threadpsx.cpp b/src/unix/threadpsx.cpp
index 13ad80722e..de36955cda 100644
--- a/src/unix/threadpsx.cpp
+++ b/src/unix/threadpsx.cpp
@@ -54,6 +54,10 @@
     #include <thread.h>
 #endif
 
+#ifdef HAVE_ABI_FORCEDUNWIND
+    #include <cxxabi.h>
+#endif
+
 // we use wxFFile under Linux in GetCPUCount()
 #ifdef __LINUX__
     #include "wx/ffile.h"
@@ -475,7 +479,7 @@ wxCondError wxConditionInternal::Wait()
 
 wxCondError wxConditionInternal::WaitTimeout(unsigned long milliseconds)
 {
-    wxLongLong curtime = wxGetLocalTimeMillis();
+    wxLongLong curtime = wxGetUTCTimeMillis();
     curtime += milliseconds;
     wxLongLong temp = curtime / 1000;
     int sec = temp.GetLo();
@@ -815,7 +819,7 @@ void *wxThreadInternal::PthreadStart(wxThread *thread)
     int rc = pthread_setspecific(gs_keySelf, thread);
     if ( rc != 0 )
     {
-        wxLogSysError(rc, _("Cannot start thread: error writing TLS"));
+        wxLogSysError(rc, _("Cannot start thread: error writing TLS."));
 
         return (void *)-1;
     }
@@ -857,6 +861,18 @@ void *wxThreadInternal::PthreadStart(wxThread *thread)
                        wxT("Thread %p Entry() returned %lu."),
                        THR_ID(pthread), wxPtrToUInt(pthread->m_exitcode));
         }
+#ifdef HAVE_ABI_FORCEDUNWIND
+        // When using common C++ ABI under Linux we must always rethrow this
+        // special exception used to unwind the stack when the thread was
+        // cancelled, otherwise the thread library would simply terminate the
+        // program, see http://udrepper.livejournal.com/21541.html
+        catch ( abi::__forced_unwind& )
+        {
+            wxCriticalSectionLocker lock(thread->m_critsect);
+            pthread->SetState(STATE_EXITED);
+            throw;
+        }
+#endif // HAVE_ABI_FORCEDUNWIND
         wxCATCH_ALL( wxTheApp->OnUnhandledException(); )
 
         {
@@ -974,7 +990,17 @@ void wxThreadInternal::Wait()
     // if the thread we're waiting for is waiting for the GUI mutex, we will
     // deadlock so make sure we release it temporarily
     if ( wxThread::IsMain() )
+    {
+#ifdef __WXOSX__
+        // give the thread we're waiting for chance to do the GUI call
+        // it might be in, we don't do this conditionally as the to be waited on
+        // thread might have to acquire the mutex later but before terminating
+        if ( wxGuiOwnedByMainThread() )
+            wxMutexGuiLeave();
+#else
         wxMutexGuiLeave();
+#endif
+    }
 
     wxLogTrace(TRACE_THREADS,
                wxT("Starting to wait for thread %p to exit."),
@@ -1004,9 +1030,11 @@ void wxThreadInternal::Wait()
         }
     }
 
+#ifndef __WXOSX__
     // reacquire GUI mutex
     if ( wxThread::IsMain() )
         wxMutexGuiEnter();
+#endif
 }
 
 void wxThreadInternal::Pause()
@@ -1115,18 +1143,23 @@ wxThreadIdType wxThread::GetCurrentId()
 
 bool wxThread::SetConcurrency(size_t level)
 {
-#ifdef HAVE_THR_SETCONCURRENCY
+#ifdef HAVE_PTHREAD_SET_CONCURRENCY
+    int rc = pthread_setconcurrency( level );
+#elif defined(HAVE_THR_SETCONCURRENCY)
     int rc = thr_setconcurrency(level);
+#else // !HAVE_THR_SETCONCURRENCY
+    // ok only for the default value
+    int rc = level == 0 ? 0 : -1;
+#endif // HAVE_THR_SETCONCURRENCY/!HAVE_THR_SETCONCURRENCY
+
     if ( rc != 0 )
     {
-        wxLogSysError(rc, wxT("thr_setconcurrency() failed"));
+        wxLogSysError(rc, _("Failed to set thread concurrency level to %lu"),
+                      static_cast<unsigned long>(level));
+        return false;
     }
 
-    return rc == 0;
-#else // !HAVE_THR_SETCONCURRENCY
-    // ok only for the default value
-    return level == 0;
-#endif // HAVE_THR_SETCONCURRENCY/!HAVE_THR_SETCONCURRENCY
+    return true;
 }
 
 // -----------------------------------------------------------------------------
@@ -1413,7 +1446,7 @@ wxThreadError wxThread::Resume()
 // exiting thread
 // -----------------------------------------------------------------------------
 
-wxThread::ExitCode wxThread::Wait()
+wxThread::ExitCode wxThread::Wait(wxThreadWait WXUNUSED(waitMode))
 {
     wxCHECK_MSG( This() != this, (ExitCode)-1,
                  wxT("a thread can't wait for itself") );
@@ -1426,7 +1459,7 @@ wxThread::ExitCode wxThread::Wait()
     return m_internal->GetExitCode();
 }
 
-wxThreadError wxThread::Delete(ExitCode *rc)
+wxThreadError wxThread::Delete(ExitCode *rc, wxThreadWait WXUNUSED(waitMode))
 {
     wxCHECK_MSG( This() != this, wxTHREAD_MISC_ERROR,
                  wxT("a thread can't delete itself") );
@@ -1441,6 +1474,8 @@ wxThreadError wxThread::Delete(ExitCode *rc)
 
     m_critsect.Leave();
 
+    OnDelete();
+
     switch ( state )
     {
         case STATE_NEW:
@@ -1475,10 +1510,10 @@ wxThreadError wxThread::Delete(ExitCode *rc)
             }
             //else: can't wait for detached threads
     }
-    
+
     if (state == STATE_NEW)
         return wxTHREAD_MISC_ERROR;
-            // for coherency with the MSW implementation, signal the user that 
+            // for coherency with the MSW implementation, signal the user that
             // Delete() was called on a thread which didn't start to run yet.
 
     return wxTHREAD_NO_ERROR;
@@ -1489,6 +1524,8 @@ wxThreadError wxThread::Kill()
     wxCHECK_MSG( This() != this, wxTHREAD_MISC_ERROR,
                  wxT("a thread can't kill itself") );
 
+    OnKill();
+
     switch ( m_internal->GetState() )
     {
         case STATE_NEW:
@@ -1816,7 +1853,7 @@ static void DeleteThread(wxThread *This)
     }
 }
 
-#ifndef __WXOSX__
+#ifndef __DARWIN__
 
 void wxMutexGuiEnterImpl()
 {