1*4fc55e3eSMaxim Sobolev /* 2*4fc55e3eSMaxim Sobolev * Copyright (c) 2004-2016 Maxim Sobolev <sobomax@FreeBSD.org> 3*4fc55e3eSMaxim Sobolev * All rights reserved. 4*4fc55e3eSMaxim Sobolev * 5*4fc55e3eSMaxim Sobolev * Redistribution and use in source and binary forms, with or without 6*4fc55e3eSMaxim Sobolev * modification, are permitted provided that the following conditions 7*4fc55e3eSMaxim Sobolev * are met: 8*4fc55e3eSMaxim Sobolev * 1. Redistributions of source code must retain the above copyright 9*4fc55e3eSMaxim Sobolev * notice, this list of conditions and the following disclaimer. 10*4fc55e3eSMaxim Sobolev * 2. Redistributions in binary form must reproduce the above copyright 11*4fc55e3eSMaxim Sobolev * notice, this list of conditions and the following disclaimer in the 12*4fc55e3eSMaxim Sobolev * documentation and/or other materials provided with the distribution. 13*4fc55e3eSMaxim Sobolev * 14*4fc55e3eSMaxim Sobolev * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15*4fc55e3eSMaxim Sobolev * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16*4fc55e3eSMaxim Sobolev * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17*4fc55e3eSMaxim Sobolev * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18*4fc55e3eSMaxim Sobolev * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19*4fc55e3eSMaxim Sobolev * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20*4fc55e3eSMaxim Sobolev * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21*4fc55e3eSMaxim Sobolev * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22*4fc55e3eSMaxim Sobolev * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23*4fc55e3eSMaxim Sobolev * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24*4fc55e3eSMaxim Sobolev * SUCH DAMAGE. 25*4fc55e3eSMaxim Sobolev */ 26*4fc55e3eSMaxim Sobolev 27*4fc55e3eSMaxim Sobolev struct mkuz_fifo_queue { 28*4fc55e3eSMaxim Sobolev pthread_mutex_t mtx; 29*4fc55e3eSMaxim Sobolev pthread_cond_t cvar; 30*4fc55e3eSMaxim Sobolev struct mkuz_bchain_link *first; 31*4fc55e3eSMaxim Sobolev struct mkuz_bchain_link *last; 32*4fc55e3eSMaxim Sobolev int length; 33*4fc55e3eSMaxim Sobolev int wakeup_len; 34*4fc55e3eSMaxim Sobolev }; 35*4fc55e3eSMaxim Sobolev 36*4fc55e3eSMaxim Sobolev struct mkuz_blk; 37*4fc55e3eSMaxim Sobolev struct mkuz_bchain_link; 38*4fc55e3eSMaxim Sobolev 39*4fc55e3eSMaxim Sobolev DEFINE_RAW_METHOD(cmp_cb, int, const struct mkuz_blk *, void *); 40*4fc55e3eSMaxim Sobolev 41*4fc55e3eSMaxim Sobolev struct mkuz_fifo_queue *mkuz_fqueue_ctor(int); 42*4fc55e3eSMaxim Sobolev void mkuz_fqueue_enq(struct mkuz_fifo_queue *, struct mkuz_blk *); 43*4fc55e3eSMaxim Sobolev struct mkuz_blk *mkuz_fqueue_deq(struct mkuz_fifo_queue *); 44*4fc55e3eSMaxim Sobolev struct mkuz_blk *mkuz_fqueue_deq_when(struct mkuz_fifo_queue *, cmp_cb_t, void *); 45*4fc55e3eSMaxim Sobolev #if defined(NOTYET) 46*4fc55e3eSMaxim Sobolev struct mkuz_bchain_link *mkuz_fqueue_deq_all(struct mkuz_fifo_queue *, int *); 47*4fc55e3eSMaxim Sobolev int mkuz_fqueue_enq_all(struct mkuz_fifo_queue *, struct mkuz_bchain_link *, 48*4fc55e3eSMaxim Sobolev struct mkuz_bchain_link *, int); 49*4fc55e3eSMaxim Sobolev #endif 50