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#include "pthread_impl.h"
#include <stddef.h>
void __do_private_robust_list()
{
pthread_t self = __pthread_self();
volatile void *volatile *p;
volatile void *volatile *prev;
volatile void *volatile *next;
pthread_mutex_t *m;
prev = &self->robust_list.head;
for (p=self->robust_list.head; p&&p!=&self->robust_list.head; p=next) {
next = *p;
m = (void *)((char *)p - offsetof(pthread_mutex_t, _m_next));
if (!(m->_m_type & 128)) {
int waiters = m->_m_waiters;
*prev = next;
int cont = a_swap(&m->_m_lock, self->tid|0x40000000);
if (cont < 0 || waiters) __wake(&m->_m_lock, 1, 1);
} else {
prev = p;
}
}
}
int pthread_mutexattr_setrobust(pthread_mutexattr_t *a, int robust)
{
if (robust > 1U) return EINVAL;
a->__attr &= ~4;
a->__attr |= robust*4;
return 0;
}
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