PTHREAD_CREATE_DETACHED
*detachstate = PTHREAD_CREATE_DETACHED;
(detachstate != PTHREAD_CREATE_DETACHED &&
if (detachstate == PTHREAD_CREATE_DETACHED)
if (new_thread->attr.flags & PTHREAD_CREATE_DETACHED)
PTHREAD_CREATE_DETACHED) == 0);
PTHREAD_CREATE_DETACHED) == 0);