PTHREAD_JOIN
PTHREAD_JOIN(self->sibling[0].tid, &status);
PTHREAD_JOIN(self->sibling[1].tid, &status);
PTHREAD_JOIN(self->sibling[0].tid, &status);
PTHREAD_JOIN(self->sibling[1].tid, &status);
PTHREAD_JOIN(self->sibling[0].tid, &status);
PTHREAD_JOIN(self->sibling[1].tid, &status);
PTHREAD_JOIN(self->sibling[0].tid, &status);
PTHREAD_JOIN(self->sibling[1].tid, &status);
PTHREAD_JOIN(self->sibling[0].tid, &status);
PTHREAD_JOIN(self->sibling[1].tid, &status);
PTHREAD_JOIN(self->sibling[0].tid, &status);
PTHREAD_JOIN(self->sibling[1].tid, &status);
PTHREAD_JOIN(self->sibling[sib].tid, &status);
PTHREAD_JOIN(self->sibling[sib].tid, &status);