1 #include "pthread_impl.h" 2 pthread_mutexattr_settype(pthread_mutexattr_t * a,int type)3 int pthread_mutexattr_settype(pthread_mutexattr_t *a, int type) 4 { 5 if ((unsigned)type > 2) return EINVAL; 6 a->__attr = (a->__attr & ~3) | type; 7 return 0; 8 } 9