1*fcf3ce44SJohn Forte /* 2*fcf3ce44SJohn Forte * CDDL HEADER START 3*fcf3ce44SJohn Forte * 4*fcf3ce44SJohn Forte * The contents of this file are subject to the terms of the 5*fcf3ce44SJohn Forte * Common Development and Distribution License (the "License"). 6*fcf3ce44SJohn Forte * You may not use this file except in compliance with the License. 7*fcf3ce44SJohn Forte * 8*fcf3ce44SJohn Forte * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*fcf3ce44SJohn Forte * or http://www.opensolaris.org/os/licensing. 10*fcf3ce44SJohn Forte * See the License for the specific language governing permissions 11*fcf3ce44SJohn Forte * and limitations under the License. 12*fcf3ce44SJohn Forte * 13*fcf3ce44SJohn Forte * When distributing Covered Code, include this CDDL HEADER in each 14*fcf3ce44SJohn Forte * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*fcf3ce44SJohn Forte * If applicable, add the following below this CDDL HEADER, with the 16*fcf3ce44SJohn Forte * fields enclosed by brackets "[]" replaced with your own identifying 17*fcf3ce44SJohn Forte * information: Portions Copyright [yyyy] [name of copyright owner] 18*fcf3ce44SJohn Forte * 19*fcf3ce44SJohn Forte * CDDL HEADER END 20*fcf3ce44SJohn Forte */ 21*fcf3ce44SJohn Forte /* 22*fcf3ce44SJohn Forte * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23*fcf3ce44SJohn Forte * Use is subject to license terms. 24*fcf3ce44SJohn Forte */ 25*fcf3ce44SJohn Forte 26*fcf3ce44SJohn Forte #ifndef _CFG_LOCKD_H 27*fcf3ce44SJohn Forte #define _CFG_LOCKD_H 28*fcf3ce44SJohn Forte 29*fcf3ce44SJohn Forte #ifdef __cplusplus 30*fcf3ce44SJohn Forte extern "C" { 31*fcf3ce44SJohn Forte #endif 32*fcf3ce44SJohn Forte 33*fcf3ce44SJohn Forte typedef enum { LOCK_NOTLOCKED, /* Unlock message */ 34*fcf3ce44SJohn Forte LOCK_READ, /* ask for read lock */ 35*fcf3ce44SJohn Forte LOCK_WRITE, /* ask for write lock */ 36*fcf3ce44SJohn Forte LOCK_LOCKED, /* lock has been taken */ 37*fcf3ce44SJohn Forte LOCK_LOCKEDBY, /* who has lock? */ 38*fcf3ce44SJohn Forte LOCK_STAT, /* ask daemon to print its state */ 39*fcf3ce44SJohn Forte LOCK_ACK /* acknowledge a notlocked msg */ 40*fcf3ce44SJohn Forte } cfglockd_t; 41*fcf3ce44SJohn Forte 42*fcf3ce44SJohn Forte typedef struct sockaddr_in daemonaddr_t; 43*fcf3ce44SJohn Forte 44*fcf3ce44SJohn Forte struct lock_msg { 45*fcf3ce44SJohn Forte int32_t message; 46*fcf3ce44SJohn Forte pid_t pid; 47*fcf3ce44SJohn Forte int32_t order; 48*fcf3ce44SJohn Forte uint8_t seq; 49*fcf3ce44SJohn Forte }; 50*fcf3ce44SJohn Forte 51*fcf3ce44SJohn Forte #define CFG_PIDFILE "/var/tmp/.cfglockd.pid" 52*fcf3ce44SJohn Forte #define CFG_SERVER_PORT 50121u 53*fcf3ce44SJohn Forte #define CFG_LF_EOF -1 54*fcf3ce44SJohn Forte #define CFG_LF_OKAY 1 55*fcf3ce44SJohn Forte #define CFG_LF_AGAIN 0 56*fcf3ce44SJohn Forte void cfg_lfinit(); 57*fcf3ce44SJohn Forte int cfg_filelock(int segment, int flag); 58*fcf3ce44SJohn Forte int cfg_fileunlock(int segment); 59*fcf3ce44SJohn Forte void cfg_readpid(int segment, pid_t *pidp); 60*fcf3ce44SJohn Forte void cfg_writepid(int segment, pid_t pid); 61*fcf3ce44SJohn Forte void cfg_enterpid(); 62*fcf3ce44SJohn Forte int cfg_lockd_init(); 63*fcf3ce44SJohn Forte cfglockd_t cfg_lockedby(pid_t *); 64*fcf3ce44SJohn Forte void cfg_lockd_rdlock(); 65*fcf3ce44SJohn Forte void cfg_lockd_wrlock(); 66*fcf3ce44SJohn Forte void cfg_lockd_unlock(); 67*fcf3ce44SJohn Forte 68*fcf3ce44SJohn Forte #ifdef __cplusplus 69*fcf3ce44SJohn Forte } 70*fcf3ce44SJohn Forte #endif 71*fcf3ce44SJohn Forte 72*fcf3ce44SJohn Forte #endif /* _CFG_LOCKD_H */ 73