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#include "pthread_impl.h"
#include "atomic.h"
int pthread_mutex_consistent(pthread_mutex_t *m)
{
int old = m->_m_lock;
int own = old & 0x3fffffff;
if (!(m->_m_type & 4) || !own || !(old & 0x40000000))
return EINVAL;
if (own != __pthread_self()->tid)
return EPERM;
a_and(&m->_m_lock, ~0x40000000);
return 0;
}
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