_thr_mutexattr_setrobust
[PJT_MUTEXATTR_SETROBUST] = {DUAL_ENTRY(_thr_mutexattr_setrobust)},
__weak_reference(_thr_mutexattr_setrobust, pthread_mutexattr_setrobust);
__weak_reference(_thr_mutexattr_setrobust, _pthread_mutexattr_setrobust);
int _thr_mutexattr_setrobust(pthread_mutexattr_t *, int);