1 /*- 2 * Copyright (c) 2006 Verdens Gang AS 3 * Copyright (c) 2006-2011 Varnish Software AS 4 * All rights reserved. 5 * 6 * Author: Poul-Henning Kamp <phk@phk.freebsd.dk> 7 * 8 * SPDX-License-Identifier: BSD-2-Clause 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * Private include file for the pool aware code. 32 */ 33 34 VTAILQ_HEAD(taskhead, pool_task); 35 36 struct poolsock; 37 38 struct pool { 39 unsigned magic; 40 #define POOL_MAGIC 0x606658fa 41 VTAILQ_ENTRY(pool) list; 42 VTAILQ_HEAD(,poolsock) poolsocks; 43 44 int die; 45 pthread_cond_t herder_cond; 46 pthread_t herder_thr; 47 48 struct lock mtx; 49 unsigned nidle; 50 struct taskhead idle_queue; 51 struct taskhead queues[TASK_QUEUE__END]; 52 unsigned nthr; 53 unsigned lqueue; 54 uintmax_t sdropped; 55 uintmax_t rdropped; 56 uintmax_t nqueued; 57 uintmax_t ndequeued; 58 struct VSC_main_wrk *a_stat; 59 struct VSC_main_wrk *b_stat; 60 61 struct mempool *mpl_req; 62 struct mempool *mpl_sess; 63 struct waiter *waiter; 64 }; 65 66 void *pool_herder(void*); 67 task_func_t pool_stat_summ; 68 extern struct lock pool_mtx; 69 void VCA_NewPool(struct pool *); 70 void VCA_DestroyPool(struct pool *); 71