1*9e39c5baSBill Taylor /* 2*9e39c5baSBill Taylor * CDDL HEADER START 3*9e39c5baSBill Taylor * 4*9e39c5baSBill Taylor * The contents of this file are subject to the terms of the 5*9e39c5baSBill Taylor * Common Development and Distribution License (the "License"). 6*9e39c5baSBill Taylor * You may not use this file except in compliance with the License. 7*9e39c5baSBill Taylor * 8*9e39c5baSBill Taylor * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*9e39c5baSBill Taylor * or http://www.opensolaris.org/os/licensing. 10*9e39c5baSBill Taylor * See the License for the specific language governing permissions 11*9e39c5baSBill Taylor * and limitations under the License. 12*9e39c5baSBill Taylor * 13*9e39c5baSBill Taylor * When distributing Covered Code, include this CDDL HEADER in each 14*9e39c5baSBill Taylor * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*9e39c5baSBill Taylor * If applicable, add the following below this CDDL HEADER, with the 16*9e39c5baSBill Taylor * fields enclosed by brackets "[]" replaced with your own identifying 17*9e39c5baSBill Taylor * information: Portions Copyright [yyyy] [name of copyright owner] 18*9e39c5baSBill Taylor * 19*9e39c5baSBill Taylor * CDDL HEADER END 20*9e39c5baSBill Taylor */ 21*9e39c5baSBill Taylor 22*9e39c5baSBill Taylor /* 23*9e39c5baSBill Taylor * Copyright (c) 2002-2003, Network Appliance, Inc. All rights reserved. 24*9e39c5baSBill Taylor */ 25*9e39c5baSBill Taylor 26*9e39c5baSBill Taylor /* 27*9e39c5baSBill Taylor * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 28*9e39c5baSBill Taylor * Use is subject to license terms. 29*9e39c5baSBill Taylor */ 30*9e39c5baSBill Taylor 31*9e39c5baSBill Taylor /* 32*9e39c5baSBill Taylor * 33*9e39c5baSBill Taylor * HEADER: dapl_ring_buffer_util.h 34*9e39c5baSBill Taylor * 35*9e39c5baSBill Taylor * PURPOSE: Utility defs & routines for the ring buffer data structure 36*9e39c5baSBill Taylor * 37*9e39c5baSBill Taylor * $Id: dapl_ring_buffer_util.h,v 1.5 2003/06/13 12:21:11 sjs2 Exp $ 38*9e39c5baSBill Taylor * 39*9e39c5baSBill Taylor */ 40*9e39c5baSBill Taylor 41*9e39c5baSBill Taylor #ifndef _DAPL_RING_BUFFER_H_ 42*9e39c5baSBill Taylor #define _DAPL_RING_BUFFER_H_ 43*9e39c5baSBill Taylor 44*9e39c5baSBill Taylor #ifdef __cplusplus 45*9e39c5baSBill Taylor extern "C" { 46*9e39c5baSBill Taylor #endif 47*9e39c5baSBill Taylor 48*9e39c5baSBill Taylor #include "dapl.h" 49*9e39c5baSBill Taylor 50*9e39c5baSBill Taylor /* 51*9e39c5baSBill Taylor * Prototypes 52*9e39c5baSBill Taylor */ 53*9e39c5baSBill Taylor DAT_RETURN dapls_rbuf_alloc( 54*9e39c5baSBill Taylor DAPL_RING_BUFFER *rbuf, 55*9e39c5baSBill Taylor DAT_COUNT size); 56*9e39c5baSBill Taylor 57*9e39c5baSBill Taylor DAT_RETURN dapls_rbuf_realloc( 58*9e39c5baSBill Taylor DAPL_RING_BUFFER *rbuf, 59*9e39c5baSBill Taylor DAT_COUNT size); 60*9e39c5baSBill Taylor 61*9e39c5baSBill Taylor void dapls_rbuf_destroy( 62*9e39c5baSBill Taylor DAPL_RING_BUFFER *rbuf); 63*9e39c5baSBill Taylor 64*9e39c5baSBill Taylor DAT_RETURN dapls_rbuf_add( 65*9e39c5baSBill Taylor DAPL_RING_BUFFER *rbuf, 66*9e39c5baSBill Taylor void *entry); 67*9e39c5baSBill Taylor 68*9e39c5baSBill Taylor void * dapls_rbuf_remove( 69*9e39c5baSBill Taylor DAPL_RING_BUFFER *rbuf); 70*9e39c5baSBill Taylor 71*9e39c5baSBill Taylor DAT_COUNT dapls_rbuf_count( 72*9e39c5baSBill Taylor DAPL_RING_BUFFER *rbuf); 73*9e39c5baSBill Taylor 74*9e39c5baSBill Taylor 75*9e39c5baSBill Taylor /* 76*9e39c5baSBill Taylor * Simple functions 77*9e39c5baSBill Taylor */ 78*9e39c5baSBill Taylor #define dapls_rbuf_empty(rbuf) ((rbuf)->head == (rbuf)->tail) 79*9e39c5baSBill Taylor 80*9e39c5baSBill Taylor #ifdef __cplusplus 81*9e39c5baSBill Taylor } 82*9e39c5baSBill Taylor #endif 83*9e39c5baSBill Taylor 84*9e39c5baSBill Taylor #endif /* _DAPL_RING_BUFFER_H_ */ 85