1992/0114/port/devproc.c (diff list | history)

1992/0111/sys/src/9/port/devproc.c:174,180 – 1992/0114/sys/src/9/port/devproc.c:174,180 (short | long | prev | next)
1990/11211		c->pgrpid.vers = pg->pgrpid;
1990/1110		break;
1990/0227		default: pprint("unknown qid in devopen\n");
1992/0114		pprint("procopen %lux\n", c->qid);
1990/11211		error(Egreg);
1990/0227		}
1991/1110
1992/0111/sys/src/9/port/devproc.c:349,355 – 1992/0114/sys/src/9/port/devproc.c:349,355
1991/0705		if(offset+n > j) n = j-offset;
1991/1112		if(n == 0 && offset == 0) errors("no segments");
1992/0114		exhausted("segments");
1991/0705		memmove(a, &statbuf[offset], n); return n;
1990/0227		}
1992/0111/sys/src/9/port/devproc.c:392,398 – 1992/0114/sys/src/9/port/devproc.c:392,398
1990/0227		switch(QID(c->qid)){
1991/1109		case Qmem:
1991/1110		if(p->state != Stopped) errors("not stopped");
1992/0114		error(Ebadctl);
1991/1110
1991/1124		if(offset >= USERADDR && offset <= USERADDR+BY2PG-1) {
1991/1110		pg = p->upage;
1992/0111/sys/src/9/port/devproc.c:411,417 – 1992/0114/sys/src/9/port/devproc.c:411,417
1991/1111		ur = pxu->dbgreg; if(offset < (ulong)ur || hi > (ulong)ur+sizeof(Ureg)) {
1991/1110		kunmap(k); errors("bad u-area address");
1992/0114		error(Ebadarg);
1991/1110		}
1991/1111		ur = (Ureg*)(b+((ulong)ur-USERADDR)); setregisters(ur, b+(offset-USERADDR), a, n);
1992/0111/sys/src/9/port/devproc.c:427,433 – 1992/0114/sys/src/9/port/devproc.c:427,433
1991/1110
1990/0227		case Qnote:
1991/1112		if(p->kp)
1991/1116		errors("can't note kproc");
1992/0114		error(Eperm);
1990/0614		k = kmap(p->upage); up = (User*)VA(k);
1990/0227		if(up->p != p){
1992/0111/sys/src/9/port/devproc.c:441,447 – 1992/0114/sys/src/9/port/devproc.c:441,447
1991/0318		memmove(buf, va, n);
1990/0227		buf[n] = 0; if(!postnote(p, 0, buf, NUser))
1990/11211		error(Enonote);
1992/0114		exhausted("notes");
1990/0227		break;
1991/1110
1990/0227		default:
1992/0111/sys/src/9/port/devproc.c:462,468 – 1992/0114/sys/src/9/port/devproc.c:462,468
1991/1110		s = p->seg[TSEG];
1991/1112		if(s == 0) errors("no text segment");
1992/0114		error(Enonexist);
1991/1112		if(p->state==Dead)
1991/1110		error(Eprocdied);
1992/0111/sys/src/9/port/devproc.c:524,530 – 1992/0114/sys/src/9/port/devproc.c:524,530
1991/1110		int pid; if(p->pdbg) errors("debugged already");
1992/0114		error(Einuse);
1991/1110		if(procstopped(p)) return;
1992/0111/sys/src/9/port/devproc.c:573,579 – 1992/0114/sys/src/9/port/devproc.c:573,579
1991/1112		procstopwait(p, 0); else if(strncmp(buf, "startstop", 9) == 0) {
1991/1110		if(p->state != Stopped) errors("not stopped");
1992/0114		error(Ebadctl);
1991/1110		p->procctl = Proc_traceme; ready(p); procstopwait(p, Proc_traceme);
1992/0111/sys/src/9/port/devproc.c:580,586 – 1992/0114/sys/src/9/port/devproc.c:580,586
1991/1110		}
1991/1112		else if(strncmp(buf, "start", 5) == 0) {
1991/1109		if(p->state != Stopped) errors("not stopped");
1992/0114		error(Ebadctl);
1991/1109		ready(p); }
1991/1112		else
1992/0111/sys/src/9/port/devproc.c:607,613 – 1992/0114/sys/src/9/port/devproc.c:607,613
1991/1113		for(;;) { s = seg(p, offset, 1); if(s == 0) errors("not in address space");
1992/0114		error(Ebadarg);
1991/1109
1991/1113		if(offset+n >= s->top) n = s->top-offset;