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nginx / nginx / 47a04aaa275d1a9b4a51997910f2b2a881464943 / . / src / event / ngx_event_busy_lock.h
blob: 254c233e776576739a9fd314202449d1d9629b3b [file] [log] [blame]
Igor Sysoevd90282d2004-09-28 08:34:51 +0000[diff] [blame]1
2/*
Igor Sysoevff8da912004-09-29 16:00:49 +0000[diff] [blame]3 * Copyright (C) Igor Sysoev
Maxim Konovalovf8d59e32012-01-18 15:07:43 +0000[diff] [blame]4 * Copyright (C) Nginx, Inc.
Igor Sysoevd90282d2004-09-28 08:34:51 +0000[diff] [blame]5 */
6
7
Igor Sysoevea17edc2004-03-02 21:14:37 +0000[diff] [blame]8#ifndef _NGX_EVENT_BUSY_LOCK_H_INCLUDED_
9#define _NGX_EVENT_BUSY_LOCK_H_INCLUDED_
10
11
12#include <ngx_config.h>
13#include <ngx_core.h>
14#include <ngx_event.h>
15
16typedef struct ngx_event_busy_lock_ctx_s ngx_event_busy_lock_ctx_t;
17
18struct ngx_event_busy_lock_ctx_s {
19 ngx_event_t *event;
20 ngx_event_handler_pt handler;
21 void *data;
22 ngx_msec_t timer;
23
24 unsigned locked:1;
Igor Sysoev5edf3872004-03-03 16:14:15 +0000[diff] [blame]25 unsigned waiting:1;
Igor Sysoevea17edc2004-03-02 21:14:37 +0000[diff] [blame]26 unsigned cache_updated:1;
27
28 char *md5;
29 ngx_int_t slot;
30
31 ngx_event_busy_lock_ctx_t *next;
32};
33
34
35typedef struct {
36 u_char *md5_mask;
37 char *md5;
Igor Sysoev2d3f3f62007-10-14 18:56:15 +0000[diff] [blame]38 ngx_uint_t cacheable;
Igor Sysoevea17edc2004-03-02 21:14:37 +0000[diff] [blame]39
40 ngx_uint_t busy;
41 ngx_uint_t max_busy;
42
43 ngx_uint_t waiting;
44 ngx_uint_t max_waiting;
45
46 ngx_event_busy_lock_ctx_t *events;
47 ngx_event_busy_lock_ctx_t *last;
48
49#if (NGX_THREADS)
50 ngx_mutex_t *mutex;
51#endif
52} ngx_event_busy_lock_t;
53
54
55ngx_int_t ngx_event_busy_lock(ngx_event_busy_lock_t *bl,
Igor Sysoevc2068d02005-10-19 12:33:58 +0000[diff] [blame]56 ngx_event_busy_lock_ctx_t *ctx);
Igor Sysoev2d3f3f62007-10-14 18:56:15 +0000[diff] [blame]57ngx_int_t ngx_event_busy_lock_cacheable(ngx_event_busy_lock_t *bl,
Igor Sysoevc2068d02005-10-19 12:33:58 +0000[diff] [blame]58 ngx_event_busy_lock_ctx_t *ctx);
59void ngx_event_busy_unlock(ngx_event_busy_lock_t *bl,
60 ngx_event_busy_lock_ctx_t *ctx);
61void ngx_event_busy_lock_cancel(ngx_event_busy_lock_t *bl,
62 ngx_event_busy_lock_ctx_t *ctx);
Igor Sysoevea17edc2004-03-02 21:14:37 +0000[diff] [blame]63
64
65#endif /* _NGX_EVENT_BUSY_LOCK_H_INCLUDED_ */