MUTEX_EXIT
# define MUTEX_EXIT(x) spin_unlock(&(x)->ipf_lk)
# define MUTEX_EXIT(x) simple_unlock((x)->ipf_lk)
# define MUTEX_EXIT(x) eMmutex_exit(&(x)->ipf_emu)
# define MUTEX_EXIT(x) ;
# define MUTEX_EXIT(x) mutex_exit(&(x)->ipf_lk)
# define MUTEX_EXIT(x) spinunlock(&(x)->ipf_lk);
# undef MUTEX_EXIT
# define MUTEX_EXIT(x) mutex_unlock(&(x)->ipf_lk)
# define MUTEX_EXIT(x) UNLOCK((x)->ipf_lk.l, (x)->ipf_lk.pl);
# define MUTEX_EXIT(x) simple_unlock(&(x)->ipf_lk)
# define MUTEX_EXIT(x) mtx_unlock(&(x)->ipf_lk)
#define MUTEX_EXIT(lock) mutex_exit(lock)
#define MUTEX_EXIT(lock) mutex_exit(lock)