pthread_attr_setdetachstate
int pthread_attr_setdetachstate(pthread_attr_t *, int);
PROTO_STD_DEPRECATED(pthread_attr_setdetachstate);
CHECKr(pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED));
CHECKr(pthread_attr_setdetachstate (&pattr, PTHREAD_CREATE_JOINABLE));
CHECKr(pthread_attr_setdetachstate (&pattr, PTHREAD_CREATE_JOINABLE));