int pthread_mutex_consistent(pthread_mutex_t *m)
{
- if (m->_m_type < 8) return EINVAL;
- if ((m->_m_lock & 0x3fffffff) != __pthread_self()->tid)
+ if (!(m->_m_type & 8)) return EINVAL;
+ if ((m->_m_lock & 0x7fffffff) != __pthread_self()->tid)
return EPERM;
- m->_m_type -= 8;
+ m->_m_type &= ~8U;
return 0;
}