1303095Ssobomax/*
2303095Ssobomax * Copyright (c) 2004-2016 Maxim Sobolev <sobomax@FreeBSD.org>
3303095Ssobomax * All rights reserved.
4303095Ssobomax *
5303095Ssobomax * Redistribution and use in source and binary forms, with or without
6303095Ssobomax * modification, are permitted provided that the following conditions
7303095Ssobomax * are met:
8303095Ssobomax * 1. Redistributions of source code must retain the above copyright
9303095Ssobomax *    notice, this list of conditions and the following disclaimer.
10303095Ssobomax * 2. Redistributions in binary form must reproduce the above copyright
11303095Ssobomax *    notice, this list of conditions and the following disclaimer in the
12303095Ssobomax *    documentation and/or other materials provided with the distribution.
13303095Ssobomax *
14303095Ssobomax * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15303095Ssobomax * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16303095Ssobomax * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17303095Ssobomax * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18303095Ssobomax * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19303095Ssobomax * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20303095Ssobomax * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21303095Ssobomax * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22303095Ssobomax * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23303095Ssobomax * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24303095Ssobomax * SUCH DAMAGE.
25303095Ssobomax *
26303095Ssobomax * $FreeBSD$
27303095Ssobomax */
28303095Ssobomax
29303095Ssobomaxstruct mkuz_fifo_queue {
30303095Ssobomax    pthread_mutex_t mtx;
31303095Ssobomax    pthread_cond_t cvar;
32303095Ssobomax    struct mkuz_bchain_link *first;
33303095Ssobomax    struct mkuz_bchain_link *last;
34303095Ssobomax    int length;
35303095Ssobomax    int wakeup_len;
36303095Ssobomax};
37303095Ssobomax
38303095Ssobomaxstruct mkuz_blk;
39303095Ssobomaxstruct mkuz_bchain_link;
40303095Ssobomax
41303095SsobomaxDEFINE_RAW_METHOD(cmp_cb, int, const struct mkuz_blk *, void *);
42303095Ssobomax
43303095Ssobomaxstruct mkuz_fifo_queue *mkuz_fqueue_ctor(int);
44303095Ssobomaxvoid mkuz_fqueue_enq(struct mkuz_fifo_queue *, struct mkuz_blk *);
45303095Ssobomaxstruct mkuz_blk *mkuz_fqueue_deq(struct mkuz_fifo_queue *);
46303095Ssobomaxstruct mkuz_blk *mkuz_fqueue_deq_when(struct mkuz_fifo_queue *, cmp_cb_t, void *);
47303095Ssobomax#if defined(NOTYET)
48303095Ssobomaxstruct mkuz_bchain_link *mkuz_fqueue_deq_all(struct mkuz_fifo_queue *, int *);
49303095Ssobomaxint mkuz_fqueue_enq_all(struct mkuz_fifo_queue *, struct mkuz_bchain_link *,
50303095Ssobomax  struct mkuz_bchain_link *, int);
51303095Ssobomax#endif
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