1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2002 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _FIFO_H 28 #define _FIFO_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 /* 33 * Routines for manipulating a FIFO queue 34 */ 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 typedef struct fifo fifo_t; 41 42 extern fifo_t *fifo_new(void); 43 extern void fifo_add(fifo_t *, void *); 44 extern void *fifo_remove(fifo_t *); 45 extern void fifo_free(fifo_t *, void (*)(void *)); 46 extern int fifo_len(fifo_t *); 47 extern int fifo_empty(fifo_t *); 48 extern int fifo_iter(fifo_t *, int (*)(void *, void *), void *); 49 50 #ifdef __cplusplus 51 } 52 #endif 53 54 #endif /* _FIFO_H */ 55