1*c9945492SAndroid Build Coastguard Worker #include "pthread_impl.h" 2*c9945492SAndroid Build Coastguard Worker #include "atomic.h" 3*c9945492SAndroid Build Coastguard Worker pthread_mutex_consistent(pthread_mutex_t * m)4*c9945492SAndroid Build Coastguard Workerint pthread_mutex_consistent(pthread_mutex_t *m) 5*c9945492SAndroid Build Coastguard Worker { 6*c9945492SAndroid Build Coastguard Worker int old = m->_m_lock; 7*c9945492SAndroid Build Coastguard Worker int own = old & 0x3fffffff; 8*c9945492SAndroid Build Coastguard Worker if (!(m->_m_type & 4) || !own || !(old & 0x40000000)) 9*c9945492SAndroid Build Coastguard Worker return EINVAL; 10*c9945492SAndroid Build Coastguard Worker if (own != __pthread_self()->tid) 11*c9945492SAndroid Build Coastguard Worker return EPERM; 12*c9945492SAndroid Build Coastguard Worker a_and(&m->_m_lock, ~0x40000000); 13*c9945492SAndroid Build Coastguard Worker return 0; 14*c9945492SAndroid Build Coastguard Worker } 15