1992/1104/port/segment.c (diff list | history)

1992/0912/sys/src/9/port/segment.c:103,115 – 1992/1104/sys/src/9/port/segment.c:103,117 (short | long | prev | next)
1991/0705		} Segment*
1992/0430		dupseg(Segment *s, int share)
1992/1104		dupseg(Segment **seg, int segno, int share)
1991/0705		{
1992/0824		int i;
1991/0705		Pte *pte; Segment *n;
1992/1104		Segment *n, *s;
1991/0705
1992/0824		SET(n);
1992/1104		s = seg[segno];
1991/0705		switch(s->type&SG_TYPE) {
1991/0706		case SG_TEXT: /* New segment shares pte set */
1991/0705		case SG_SHARED:
1992/0912/sys/src/9/port/segment.c:135,140 – 1992/1104/sys/src/9/port/segment.c:137,145
1992/0824		break;
1992/0430
1991/0706		case SG_DATA: /* Copy on write plus demand load info */
1992/1104		if(segno == TSEG) return data2txt(s);
1991/0706		qlock(&s->lk);
1992/0430		if(share && s->ref == 1) { s->type = (s->type&~SG_TYPE)|SG_SHDATA;