bool wxThreadModule::OnInit()
{
bool hasThreadManager =
#ifdef __LP64__
true ; // TODO VERIFY IN NEXT BUILD
#else
MPLibraryIsLoaded();
#endif
if ( !hasThreadManager )
{
wxLogError( wxT("MP thread support is not available on this system" ) ) ;
return false;
}
// main thread's This() is NULL
verify_noerr( MPAllocateTaskStorageIndex( &gs_tlsForWXThread ) ) ;
verify_noerr( MPSetTaskStorageValue( gs_tlsForWXThread, 0 ) ) ;
wxThread::ms_idMainThread = wxThread::GetCurrentId();
gs_critsectWaitingForGui = new wxCriticalSection();
gs_critsectGui = new wxCriticalSection();
gs_critsectGui->Enter();
return true;
}
OSStatus wxThreadInternal::MacThreadStart(void *parameter)
{
wxThread* thread = (wxThread*) parameter ;
wxThreadInternal *pthread = thread->m_internal;
// add to TLS so that This() will work
verify_noerr( MPSetTaskStorageValue( gs_tlsForWXThread , (TaskStorageValue) thread ) ) ;
// have to declare this before pthread_cleanup_push() which defines a
// block!
bool dontRunAtAll;
// wait for the semaphore to be posted from Run()
pthread->m_semRun.Wait();
// test whether we should run the run at all - may be it was deleted
// before it started to Run()?
{
wxCriticalSectionLocker lock(thread->m_critsect);
dontRunAtAll = pthread->GetState() == STATE_NEW &&
pthread->WasCancelled();
}
if ( !dontRunAtAll )
{
pthread->m_exitcode = thread->CallEntry();
{
wxCriticalSectionLocker lock(thread->m_critsect);
pthread->SetState( STATE_EXITED );
}
}
if ( dontRunAtAll )
{
if ( pthread->m_isDetached )
delete thread;
return -1;
}
else
{
// on Mac for the running code,
// the correct thread termination is to return
// terminate the thread
thread->Exit( pthread->m_exitcode );
return (OSStatus) NULL; // pthread->m_exitcode;
}
}
void MacThreadLocalImpl::set(void* value)
{
MPSetTaskStorageValue(mTaskIndex, value);
}
