1992/0113/port/devmux.c (diff list | history)

1992/0111/sys/src/9/port/devmux.c:221,233 – 1992/0113/sys/src/9/port/devmux.c:221,233 (short | long | prev | next)
1991/1114		switch(NCON(c)) { case Qhead: if(m->headopen) errors("server channel busy");
1992/0113		error(Einuse);
1991/1117		m->headopen = 1; m->ref++;
1991/1114		break; case Qclone: if(m->headopen == 0) errors("server shutdown");
1992/0113		error(Emuxshutdown);
1991/1114		cm = m->connects; for(e = &cm[Nmux]; cm < e; cm++)
1992/0111/sys/src/9/port/devmux.c:234,240 – 1992/0113/sys/src/9/port/devmux.c:234,240
1991/1114		if(cm->ref == 0) break;
1991/1117		if(cm == e)
1991/1114		errors("all cannels busy");
1992/0113		error(Emuxbusy);
1991/1115		cm->ref = 1;
1991/1114		m->ref++; strncpy(cm->user, u->p->user, NAMELEN);
1992/0111/sys/src/9/port/devmux.c:275,281 – 1992/0113/sys/src/9/port/devmux.c:275,281
1991/1114		} if(m == e) errors("no multiplexors");
1992/0113		error(Enomux);
1991/1114		strncpy(m->name, name, NAMELEN); strncpy(m->user, u->p->user, NAMELEN);
1992/0111/sys/src/9/port/devmux.c:304,311 – 1992/0113/sys/src/9/port/devmux.c:304,311
1991/1117		if((c->qid.path&CHDIR) == 0 && m->srv == 0) error(Eperm);
1991/1114		if(strcmp(u->p->user, m->user) != 0) errors("not owner");
1992/0113		if(strncmp(u->p->user, m->user, NAMELEN)) error(Eperm);
1991/1114
1991/1117		srv = 0; lock(m);
1992/0111/sys/src/9/port/devmux.c:332,339 – 1992/0113/sys/src/9/port/devmux.c:332,339
1991/1114		error(Eperm); m = &muxes[NMUX(c)]; if(strcmp(u->p->user, m->user) != 0) errors("not owner");
1992/0113		if(strncmp(u->p->user, m->user, NAMELEN)) error(Eperm);
1991/1114		convM2D(db, &d); d.mode &= 0777;
1992/0111/sys/src/9/port/devmux.c:434,444 – 1992/0113/sys/src/9/port/devmux.c:434,444
1991/1114		Con *c;
1991/1115		if(h[0] != Tmux || h[2] != 0)
1991/1114		error(Ebadmsg);
1992/0113		error(Emuxmsg);
1991/1114		c = &m->connects[h[1]]; if(c < m->connects || c > &m->connects[Nmux]) error(Ebadmsg);
1992/0113		error(Emuxmsg);
1991/1114		if(c->ref == 0) return 0;
1992/0111/sys/src/9/port/devmux.c:476,482 – 1992/0113/sys/src/9/port/devmux.c:476,482
1991/1114		error(Eperm); case Qhead: if(n < 2) error(Ebadmsg);
1992/0113		error(Emuxmsg);
1991/1114		a = (char*)va; memmove(hdr, a, sizeof(hdr));
1992/0111/sys/src/9/port/devmux.c:610,616 – 1992/0113/sys/src/9/port/devmux.c:610,616
1991/1115		while(!havedata(q)) { sleep(&q->r, havedata, q); if(m->headopen == 0) errors("server shutdown");
1992/0113		errors(Emuxshutdown);
1991/1115		}
1991/1114		nread = 0;