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#include "pthread_impl.h"
void __vm_lock(int), __vm_unlock(void);
int pthread_barrier_destroy(pthread_barrier_t *b)
{
if (b->_b_limit < 0) {
if (b->_b_lock) {
int v;
a_or(&b->_b_lock, INT_MIN);
while ((v = b->_b_lock) & INT_MAX)
__wait(&b->_b_lock, 0, v, 0);
}
__vm_lock(-1);
__vm_unlock();
}
return 0;
}
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