fusl/src/thread/pthread_mutexattr_setrobust.c

#include "pthread_impl.h"

int pthread_mutexattr_setrobust(pthread_mutexattr_t* a, int robust) {
  if (robust > 1U)
    return EINVAL;
  a->__attr &= ~4;
  a->__attr |= robust * 4;
  return 0;
}