PTHREAD_MUTEX_RECURSIVE
{ PTHREAD_MUTEX_RECURSIVE, 0, -42, -1, 0 }
#define PTHREAD_MUTEX_RECURSIVE_NP PTHREAD_MUTEX_RECURSIVE
mt = PTHREAD_MUTEX_RECURSIVE;
if (MUTEX_TYPE(mutex) == PTHREAD_MUTEX_RECURSIVE
if (MUTEX_TYPE(mutex) == PTHREAD_MUTEX_RECURSIVE) {
|| type > PTHREAD_MUTEX_RECURSIVE)