bool threads_suspend_thread(threadobject *thread, s4 reason);
void threads_suspend_ack(u1* pc, u1* sp);
bool threads_resume_thread(threadobject *thread);
bool threads_suspend_thread(threadobject *thread, s4 reason);
void threads_suspend_ack(u1* pc, u1* sp);
bool threads_resume_thread(threadobject *thread);