get_user_thread
get_user_thread()->defer_signals++;
struct user_thread* thread = get_user_thread();
get_user_thread()->wait_status = 1;
get_user_thread()->wait_status = 1;
pthread_thread* thread = get_user_thread()->pthread;
userThread(get_user_thread()),
get_user_thread()->pthread = &thread;
user_thread* userThread = get_user_thread();
get_user_thread()->wait_status = 1;
get_user_thread()->wait_status = 1;
get_user_thread()->wait_status = 1;
struct user_thread *t = get_user_thread();