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