/* @(#)klm_prot.x	2.1 88/08/01 4.0 RPCSRC *//* @(#)klm_prot.x 1.7 87/07/08 Copyr 1987 Sun Micro *//* * Sun RPC is a product of Sun Microsystems, Inc. and is provided for * unrestricted use provided that this legend is included on all tape * media and as a part of the software program in whole or part.  Users * may copy or modify Sun RPC without charge, but are not authorized * to license or distribute it to anyone else except as part of a product or * program developed by the user. *  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. *  * Sun RPC is provided with no support and without any obligation on the * part of Sun Microsystems, Inc. to assist in its use, correction, * modification or enhancement. *  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC * OR ANY PART THEREOF. *  * In no event will Sun Microsystems, Inc. be liable for any lost revenue * or profits or other special, indirect and consequential damages, even if * Sun has been advised of the possibility of such damages. *  * Sun Microsystems, Inc. * 2550 Garcia Avenue * Mountain View, California  94043 *//* * Kernel/lock manager protocol definition * Copyright (C) 1986 Sun Microsystems, Inc. * * protocol used between the UNIX kernel (the "client") and the * local lock manager.  The local lock manager is a deamon running * above the kernel. */const	LM_MAXSTRLEN = 1024;/* * lock manager status returns */enum klm_stats {	klm_granted = 0,	/* lock is granted */	klm_denied = 1,		/* lock is denied */	klm_denied_nolocks = 2, /* no lock entry available */	klm_working = 3 	/* lock is being processed */};/* * lock manager lock identifier */struct klm_lock {	string server_name<LM_MAXSTRLEN>;	netobj fh;		/* a counted file handle */	int pid;		/* holder of the lock */	unsigned l_offset;	/* beginning offset of the lock */	unsigned l_len;		/* byte length of the lock;				 * zero means through end of file */};/* * lock holder identifier */struct klm_holder {	bool exclusive;		/* FALSE if shared lock */	int svid;		/* holder of the lock (pid) */	unsigned l_offset;	/* beginning offset of the lock */	unsigned l_len;		/* byte length of the lock;				 * zero means through end of file */};/* * reply to KLM_LOCK / KLM_UNLOCK / KLM_CANCEL */struct klm_stat {	klm_stats stat;};/* * reply to a KLM_TEST call */union klm_testrply switch (klm_stats stat) {	case klm_denied:		struct klm_holder holder;	default: /* All other cases return no arguments */		void;};/* * arguments to KLM_LOCK */struct klm_lockargs {	bool block;	bool exclusive;	struct klm_lock alock;};/* * arguments to KLM_TEST */struct klm_testargs {	bool exclusive;	struct klm_lock alock;};/* * arguments to KLM_UNLOCK */struct klm_unlockargs {	struct klm_lock alock;};program KLM_PROG {	version KLM_VERS {		klm_testrply	KLM_TEST (struct klm_testargs) =	1;		klm_stat	KLM_LOCK (struct klm_lockargs) =	2;		klm_stat	KLM_CANCEL (struct klm_lockargs) =	3;		/* klm_granted=> the cancel request fails due to lock is already granted */		/* klm_denied=> the cancel request successfully abortslock request  */		klm_stat	KLM_UNLOCK (struct klm_unlockargs) =	4;	} = 1;} = 100020;