1991/0328/port/stream.c (diff list | history)

1991/0323/sys/src/9/port/stream.c:227,232 – 1991/0328/sys/src/9/port/stream.c:227,235 (short | long | prev | next)
1990/0227		bp->next = 0; bp->type = M_DATA; bp->flags &= S_CLASS;
1991/0328		if(bp->lim-bp->rptr<size && size<4096) panic("allocb %lux %lux %d %ux %d", bp->lim, bp->rptr, size, bp->flags, bcp-bclass);
1990/0227		return bp; }
1991/0323/sys/src/9/port/stream.c:237,267 – 1991/0328/sys/src/9/port/stream.c:240,266
1990/0227		void freeb(Block *bp) {
1991/0328		Block *nbp;
1990/0227		Bclass *bcp;
1990/0312		int tries;
1990/1229		int x;
1990/0227
1990/0513		if((bp->flags&S_CLASS) >= Nclass) panic("freeb class");
1990/0227		bcp = &bclass[bp->flags & S_CLASS]; lock(bcp);
1990/0312		bp->rptr = bp->wptr = 0;
1990/0227		if(bcp->first) bcp->last->next = bp; else bcp->first = bp;
1990/0312		tries = 0; while(bp->next){ if(++tries > 10){ dumpstack(); panic("freeb"); } bp = bp->next;
1991/0328		for(; bp; bp = nbp){ bcp = &bclass[bp->flags & S_CLASS]; lock(bcp); bp->rptr = bp->wptr = 0; if(bcp->first) bcp->last->next = bp; else bcp->first = bp; bcp->last = bp; nbp = bp->next; bp->next = 0; unlock(bcp); if(bcp->r.p) wakeup(&bcp->r);
1990/0312		}
1990/0227		bcp->last = bp; unlock(bcp);
1990/0321		if(bcp->r.p) wakeup(&bcp->r);
1990/0227		} /*