1 /* 2 * Copyright (c) 1982 Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)isr.h 7.1 (Berkeley) 05/08/90 8 */ 9 10 struct isr { 11 struct isr *isr_forw; 12 struct isr *isr_back; 13 int (*isr_intr)(); 14 int isr_arg; 15 int isr_ipl; 16 }; 17 18 #define NISR 3 19 #define ISRIPL(x) ((x) - 3) 20