|  |  | varnish-cache/bin/varnishd/waiter/waiter_priv.h | 
|---|
| 0 |  | /*- | 
| 1 |  |  * Copyright (c) 2006 Verdens Gang AS | 
| 2 |  |  * Copyright (c) 2006-2011 Varnish Software AS | 
| 3 |  |  * All rights reserved. | 
| 4 |  |  * | 
| 5 |  |  * Author: Poul-Henning Kamp <phk@phk.freebsd.dk> | 
| 6 |  |  * | 
| 7 |  |  * SPDX-License-Identifier: BSD-2-Clause | 
| 8 |  |  * | 
| 9 |  |  * Redistribution and use in source and binary forms, with or without | 
| 10 |  |  * modification, are permitted provided that the following conditions | 
| 11 |  |  * are met: | 
| 12 |  |  * 1. Redistributions of source code must retain the above copyright | 
| 13 |  |  *    notice, this list of conditions and the following disclaimer. | 
| 14 |  |  * 2. Redistributions in binary form must reproduce the above copyright | 
| 15 |  |  *    notice, this list of conditions and the following disclaimer in the | 
| 16 |  |  *    documentation and/or other materials provided with the distribution. | 
| 17 |  |  * | 
| 18 |  |  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | 
| 19 |  |  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 
| 20 |  |  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 
| 21 |  |  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE | 
| 22 |  |  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 
| 23 |  |  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | 
| 24 |  |  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | 
| 25 |  |  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | 
| 26 |  |  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | 
| 27 |  |  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 
| 28 |  |  * SUCH DAMAGE. | 
| 29 |  |  * | 
| 30 |  |  * Private interfaces | 
| 31 |  |  */ | 
| 32 |  |  | 
| 33 |  | struct waited; | 
| 34 |  | struct vbh; | 
| 35 |  | struct VSC_waiter; | 
| 36 |  |  | 
| 37 |  | struct waiter { | 
| 38 |  |         unsigned                        magic; | 
| 39 |  | #define WAITER_MAGIC                    0x17c399db | 
| 40 |  |         const struct waiter_impl        *impl; | 
| 41 |  |         VTAILQ_ENTRY(waiter)            list; | 
| 42 |  |         VTAILQ_HEAD(,waited)            waithead; | 
| 43 |  |  | 
| 44 |  |         void                            *priv; | 
| 45 |  |         struct vbh                      *heap; | 
| 46 |  |         struct VSC_waiter               *vsc; | 
| 47 |  | }; | 
| 48 |  |  | 
| 49 |  | typedef void waiter_init_f(struct waiter *); | 
| 50 |  | typedef void waiter_fini_f(struct waiter *); | 
| 51 |  | typedef int waiter_enter_f(void *priv, struct waited *); | 
| 52 |  |  | 
| 53 |  | struct waiter_impl { | 
| 54 |  |         const char                      *name; | 
| 55 |  |         waiter_init_f                   *init; | 
| 56 |  |         waiter_fini_f                   *fini; | 
| 57 |  |         waiter_enter_f                  *enter; | 
| 58 |  |         size_t                          size; | 
| 59 |  | }; | 
| 60 |  |  | 
| 61 |  | static inline double | 
| 62 | 39736 | Wait_When(const struct waited *wp) | 
| 63 |  | { | 
| 64 | 39736 |         CHECK_OBJ_NOTNULL(wp, WAITED_MAGIC); | 
| 65 | 39736 |         return (wp->idle + wp->tmo); | 
| 66 |  | } | 
| 67 |  |  | 
| 68 |  | void Wait_Call(const struct waiter *, struct waited *, | 
| 69 |  |     enum wait_event ev, double now); | 
| 70 |  | void Wait_HeapInsert(const struct waiter *, struct waited *); | 
| 71 |  | int Wait_HeapDelete(const struct waiter *, const struct waited *); | 
| 72 |  | double Wait_HeapDue(const struct waiter *, struct waited **); |