1992/0824/port/devproc.c (diff list | history)

1992/0814/sys/src/9/port/devproc.c:21,27 – 1992/0824/sys/src/9/port/devproc.c:21,28 (short | long | prev | next)
1990/0227		};
1992/0814		#define STATSIZE (2*NAMELEN+12+7*12)
1990/0227		Dirtab procdir[]={
1992/0824		Dirtab procdir[] = {
1991/1109		"ctl", {Qctl}, 0, 0000, "mem", {Qmem}, 0, 0000, "note", {Qnote}, 0, 0000,
1992/0814/sys/src/9/port/devproc.c:53,65 – 1992/0824/sys/src/9/port/devproc.c:54,67
1992/0428
1991/1109		void procctlreq(Proc*, char*, int); int procctlmemio(Proc*, ulong, int, void*, int);
1991/1110		Chan *proctext(Chan*, Proc*); Segment *txt2data(Proc*, Segment*);
1992/0824		Chan* proctext(Chan*, Proc*); Segment* txt2data(Proc*, Segment*);
1991/1110		int procstopped(void*);
1991/1109
1990/0227		int procgen(Chan *c, Dirtab *tab, int ntab, int s, Dir *dp) {
1992/0824		Qid qid;
1990/0227		Proc *p; char buf[NAMELEN];
1991/1109		ulong pid, path, perm;
1992/0814/sys/src/9/port/devproc.c:73,79 – 1992/0824/sys/src/9/port/devproc.c:75,82
1990/0227		if(pid == 0) return 0; sprint(buf, "%d", pid);
1991/1112		devdir(c, (Qid){CHDIR|((s+1)<<QSHIFT), pid}, buf, 0, p->user, CHDIR|0555, dp);
1992/0824		qid = (Qid){CHDIR|((s+1)<<QSHIFT), pid}; devdir(c, qid, buf, 0, p->user, CHDIR|0555, dp);
1990/0227		return 1; } if(s >= NPROC)
1992/0814/sys/src/9/port/devproc.c:80,85 – 1992/0824/sys/src/9/port/devproc.c:83,89
1990/0227		return -1; if(tab) panic("procgen");
1992/0824
1990/0227		tab = &procdir[s];
1991/0705		path = c->qid.path&~(CHDIR|((1<<QSHIFT)-1)); /* slot component */
1991/1109
1992/0814/sys/src/9/port/devproc.c:88,94 – 1992/0824/sys/src/9/port/devproc.c:92,99
1991/1109		if(perm == 0) perm = p->procmode; devdir(c, (Qid){path|tab->qid.path, c->qid.vers}, tab->name, tab->length, p->user, perm, dp);
1992/0824		qid = (Qid){path|tab->qid.path, c->qid.vers}; devdir(c, qid, tab->name, tab->length, p->user, perm, dp);
1990/0227		return 1; }
1992/0814/sys/src/9/port/devproc.c:156,162 – 1992/0824/sys/src/9/port/devproc.c:161,166
1991/1112		error(Eperm);
1991/1110		tc = proctext(c, p);
1990/0227		tc->offset = 0;
1991/1110
1990/0227		return tc;
1991/1110
1990/0227		case Qctl:
1992/0814/sys/src/9/port/devproc.c:168,178 – 1992/0824/sys/src/9/port/devproc.c:172,183
1990/0227		break;
1990/1110		case Qnotepg:
1990/1115		if(omode!=OWRITE || pg->pgrpid==1) /* easy to do by mistake */
1992/0824		if(omode!=OWRITE || pg->pgrpid == 1)
1990/11211		error(Eperm); c->pgrpid.path = pg->index+1;
1992/0824		c->pgrpid.path = pg->pgrpid+1;
1992/0428		c->pgrpid.vers = p->noteid;
1990/1110		break;
1992/0824
1990/0227		default:
1992/0114		pprint("procopen %lux\n", c->qid);
1990/11211		error(Egreg);
1992/0814/sys/src/9/port/devproc.c:263,268 – 1992/0824/sys/src/9/port/devproc.c:268,277
1990/0227		}
1991/1110		if(offset >= KZERO) {
1992/0824		/* Protect crypt key memory */ if(offset >= palloc.cmembase && offset < palloc.cmemtop) error(Eperm);
1992/0128		/* validate physical kernel addresses */
1992/0628		if(offset < (ulong)end) { if(offset+n > (ulong)end)
1992/0814/sys/src/9/port/devproc.c:332,342 – 1992/0824/sys/src/9/port/devproc.c:341,346
1991/0712		if(offset+n > STATSIZE) n = STATSIZE - offset;
1992/0423		/* Assertion for deref of psstate which causes faults */
1992/0328		if((p->state < Dead) || (p->state > Rendezvous))
1992/0423		panic("p->state=#%lux, p->psstate=#%lux\n", p->state, p->psstate);
1991/0712		j = sprint(statbuf, "%-27s %-27s %-11s ",
1991/1105		p->text, p->user, p->psstate ? p->psstate : statename[p->state]);
1990/0227		for(i=0; i<6; i++){
1992/0814/sys/src/9/port/devproc.c:424,430 – 1992/0824/sys/src/9/port/devproc.c:428,435
1991/1110		pxu = (User*)b;
1991/1111		hi = offset+n; /* Check for floating point registers */ if(offset >= (ulong)&u->fpsave && hi <= (ulong)&u->fpsave+sizeof(FPsave)){
1992/0824		if(offset >= (ulong)&u->fpsave && hi <= (ulong)&u->fpsave+sizeof(FPsave)){
1991/1111		memmove(b+(offset-USERADDR), a, n); break; }
1992/0814/sys/src/9/port/devproc.c:598,606 – 1992/0824/sys/src/9/port/devproc.c:603,611
1991/1110		int
1991/1109		procctlmemio(Proc *p, ulong offset, int n, void *va, int read) {
1992/0824		KMap *k;
1991/1113		Pte *pte;
1991/1109		Page *pg; KMap *k;
1991/1110		Segment *s;
1992/0423		ulong soff, l;
1991/1109		char *a = va, *b;
1992/0814/sys/src/9/port/devproc.c:660,667 – 1992/0824/sys/src/9/port/devproc.c:665,672
1991/1110		Segment * txt2data(Proc *p, Segment *s) { Segment *ps; int i;
1992/0824		Segment *ps;
1991/1110		ps = newseg(SG_DATA, s->base, s->size); ps->image = s->image;