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

1992/0111/sys/src/9/port/sysproc.c:259,265 – 1992/0114/sys/src/9/port/sysproc.c:259,265 (short | long | prev | next)
1990/0227		* Build the stack segment, putting it in kernel virtual for the moment */
1991/0523		if(spage > TSTKSIZ)
1991/0709		errors("too many arguments");
1992/0114		error(Enovmem);
1991/0522
1991/0705		p->seg[ESEG] = newseg(SG_STACK, TSTKTOP-USTKSIZE, USTKSIZE/BY2PG);
1992/0111/sys/src/9/port/sysproc.c:528,534 – 1992/0114/sys/src/9/port/sysproc.c:528,534
1991/0705		switch(s->type&SG_TYPE) { case SG_TEXT: case SG_DATA: errors("bad segment type");
1992/0114		error(Ebadarg);
1991/0705		default: return ibrk(arg[1], i); }
1992/0111/sys/src/9/port/sysproc.c:535,541 – 1992/0114/sys/src/9/port/sysproc.c:535,541
1991/0705		} } errors("not in address space");
1992/0114		error(Ebadarg);
1990/0227		}
1991/0606
1991/0605		long
1992/0111/sys/src/9/port/sysproc.c:560,571 – 1992/0114/sys/src/9/port/sysproc.c:560,571
1991/0705		qunlock(&s->lk); } errors("not in address space");
1992/0114		error(Ebadarg);
1991/0705		found: if((ulong)arg >= s->base && (ulong)arg < s->top) { qunlock(&s->lk); errors("illegal address");
1992/0114		error(Ebadarg);
1991/0705		} u->p->seg[i] = 0; qunlock(&s->lk);
1992/0111/sys/src/9/port/sysproc.c:585,597 – 1992/0114/sys/src/9/port/sysproc.c:585,597
1991/0706		from = PGROUND(arg[0]); s = seg(u->p, from, 1);
1991/0705		if(s == 0) errors("not in address space");
1992/0114		error(Ebadarg);
1991/0705
1991/0712		pages = (arg[1]+BY2PG-1)/BY2PG;
1991/0705
1991/0712		if(from+pages*BY2PG > s->top) {
1991/0705		qunlock(&s->lk); errors("segment too short");
1992/0114		error(Ebadarg);
1991/0705		}
1991/0712		mfreeseg(s, from, pages);