MUTEX_TYPE_ADAPTIVE
#define MUTEX_TYPE_ADAPTIVE(lp) (((lp)->m_owner & MUTEX_DEAD) == 0)
#define MUTEX_TYPE_ADAPTIVE(lp) ((lp)->m_type == MUTEX_ADAPTIVE)
#define MUTEX_TYPE_ADAPTIVE(lp) (((lp)->m_owner & MUTEX_DEAD) == 0)