1993/0725/port/devpipe.c (diff list | history)

1993/0601/sys/src/9/port/devpipe.c:297,311 – 1993/0725/sys/src/9/port/devpipe.c:297,322 (short | long | prev | next)
1993/0528
1992/0711		USED(offset);
1992/0821
1993/0725		if(waserror()) { postnote(up, 1, "sys: write on closed pipe", NUser); error(Ehungup); }
1993/0528		p = c->aux;
1992/0821
1993/0528		switch(NETTYPE(c->qid.path)){ case Qdata0:
1993/0601		return qwrite(p->q[1], va, n, 0);
1993/0725		n = qwrite(p->q[1], va, n, 0); break;
1993/0528		case Qdata1:
1993/0601		return qwrite(p->q[0], va, n, 0);
1993/0725		n = qwrite(p->q[0], va, n, 0); break;
1993/0528		default: panic("piperead");
1990/0227		}
1993/0725		poperror();
1990/0513		return n;
1990/0227		}