private static void StartThread(IntPtr parameter)
{
GCHandle threadHandle = (GCHandle)parameter;
Thread thread = (Thread)threadHandle.Target;
Delegate threadStart = thread._threadStart;
// Get the value before clearing the ThreadState.Unstarted bit
object threadStartArg = thread._threadStartArg;
try
{
t_currentThread = thread;
System.Threading.ManagedThreadId.SetForCurrentThread(thread._managedThreadId);
thread.InitializeComOnNewThread();
}
catch (OutOfMemoryException)
{
#if TARGET_UNIX
// This should go away once OnThreadExit stops using t_currentThread to signal
// shutdown of the thread on Unix.
thread._stopped.Set();
#endif
// Terminate the current thread. The creator thread will throw a ThreadStartException.
return;
}
// Report success to the creator thread, which will free threadHandle and _threadStartArg
thread.ClearThreadStateBit(ThreadState.Unstarted);
if (thread._startCulture != null)
{
CultureInfo.CurrentCulture = thread._startCulture;
thread._startCulture = null;
}
if (thread._startUICulture != null)
{
CultureInfo.CurrentUICulture = thread._startUICulture;
thread._startUICulture = null;
}
try
{
// The Thread cannot be started more than once, so we may clean up the delegate
thread._threadStart = null;
ParameterizedThreadStart paramThreadStart = threadStart as ParameterizedThreadStart;
if (paramThreadStart != null)
{
paramThreadStart(threadStartArg);
}
else
{
((ThreadStart)threadStart)();
}
}
finally
{
thread.SetThreadStateBit(ThreadState.Stopped);
}
}