void Thread::join()
{
Debug( 1, "Joining thread %d", mPid );
if ( isThread() )
throw ThreadException( "Can't self join thread" );
mThreadMutex.lock();
if ( mPid >= 0 )
{
if ( mStarted )
{
void *threadStatus = 0;
if ( pthread_join( mThread, &threadStatus ) < 0 )
throw ThreadException( stringtf( "Can't join sender thread: %s", strerror(errno) ) );
mStarted = false;
Debug( 1, "Thread %d exited, status %p", mPid, threadStatus );
}
else
{
Warning( "Attempt to join already finished thread %d", mPid );
}
}
else
{
Warning( "Attempt to join non-started thread %d", mPid );
}
mThreadMutex.unlock();
Debug( 1, "Joined thread %d", mPid );
}
void Thread::start()
{
Debug( 1, "Starting thread" );
if ( isThread() )
throw ThreadException( "Can't self start thread" );
mThreadMutex.lock();
if ( !mStarted )
{
pthread_attr_t threadAttrs;
pthread_attr_init( &threadAttrs );
pthread_attr_setscope( &threadAttrs, PTHREAD_SCOPE_SYSTEM );
mStarted = true;
if ( pthread_create( &mThread, &threadAttrs, mThreadFunc, this ) < 0 )
throw ThreadException( stringtf( "Can't create thread: %s", strerror(errno) ) );
pthread_attr_destroy( &threadAttrs );
}
else
{
Error( "Attempt to start already running thread %d", mPid );
}
mThreadCondition.wait();
mThreadMutex.unlock();
Debug( 1, "Started thread %d", mPid );
}
void Thread::exit(void)
{
if (isThread())
{
setCancel(cancelDisabled);
#ifdef WIN32
close();
ExitThread(0);
#else
pthread_exit(NULL);
#endif // WIN32
}
}
jthread
inStream_readThreadRef(PacketInputStream *stream)
{
jobject object = inStream_readObjectRef(stream);
if (object == NULL) {
/*
* Could be error or just the null reference. In either case,
* stop now.
*/
return NULL;
}
if (!isThread(object)) {
stream->error = JDWP_ERROR(INVALID_THREAD);
return NULL;
}
return object;
}
void Thread::terminate(void)
{
#ifdef WIN32
HANDLE hThread;
if(!priv)
return;
hThread = priv->_hThread;
if (!priv->_tid || isThread())
{
if( priv->_cancellation)
::CloseHandle(priv->_cancellation);
if(hThread)
::CloseHandle(hThread);
delete priv;
priv = NULL;
return;
}
bool terminated = false;
if(!priv->_active && hThread != NULL)
{
// NOTE: add a test in testthread for multiple
// suspended Terminate
ResumeThread(hThread);
TerminateThread(hThread, 0);
terminated = true;
}
else if(hThread != NULL)
{
switch(_cancel) {
case cancelImmediate:
TerminateThread(hThread, 0);
terminated = true;
break;
default:
SetEvent(priv->_cancellation);
}
}
if(hThread != NULL)
{
WaitForSingleObject(hThread, INFINITE);
CloseHandle(hThread);
hThread = NULL;
}
// what if parent already exited?
// if(_parent)
// _parent->notify(this);
if(priv->_cancellation != NULL)
CloseHandle(priv->_cancellation);
priv->_cancellation = NULL;
priv->_tid = 0;
if(getThread() == this)
_self.setKey(DUMMY_INVALID_THREAD);
if (terminated)
final();
#else
if(!priv)
return;
cctid_t jtid = priv->_jtid, tid = priv->_tid;
if(jtid && (pthread_self() != jtid))
{
pthread_join(jtid, NULL);
priv->_jtid = 0;
}
else if((pthread_self() != tid) && tid)
{
// in suspend thread cannot be cancelled or signaled
// ??? rigth
// ccxx_resume(priv->_tid);
// assure thread has ran before we try to cancel...
if(_start)
_start->post();
pthread_cancel(tid);
if(!isDetached())
{
pthread_join(tid,NULL);
priv->_tid = 0;
}
}
pthread_attr_destroy(&priv->_attr);
#endif
delete priv;
priv = NULL;
}