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 */