bsd/kern/sysv_sem.c

554 	register struct undo *sueptr, **suepptr, *new_sueptr;
587 	for (i = 0, suepptr = &suptr->un_ent, sueptr = suptr->un_ent;
589 	     i++, suepptr = &sueptr->une_next, sueptr = sueptr->une_next) {
590 		if (sueptr->une_id != semid || sueptr->une_num != semnum)
593 			sueptr->une_adjval = 0;
595 			sueptr->une_adjval += adjval;
596 		if (sueptr->une_adjval == 0) {
598 			*suepptr = sueptr->une_next;
599 			FREE(sueptr, M_SYSVSEM);
600 			sueptr = NULL;
643 		struct undo *sueptr;
648 		sueptr = suptr->un_ent;
651 			if (sueptr->une_id == semid) {
652 				if (semnum == -1 || sueptr->une_num == semnum) {
654 					*suepptr = sueptr->une_next;
655 					FREE(sueptr, M_SYSVSEM);
656 					sueptr = *suepptr;
663 			suepptr = &sueptr->une_next;
664 			sueptr = sueptr->une_next;
1420 			struct undo *sueptr;
1426 			sueptr = suptr->un_ent;
1427 			semid = sueptr->une_id;
1428 			semnum = sueptr->une_num;
1429 			adjval = sueptr->une_adjval;
1472 			suptr->un_ent = sueptr->une_next;
1473 			FREE(sueptr, M_SYSVSEM);
1474 			sueptr = NULL;