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view src/http/ngx_http_busy_lock.h @ 632:5b73504dd4ba NGINX_1_1_0

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nginx 1.1.0 *) Feature: cache loader run time decrease. *) Feature: "loader_files", "loader_sleep", and "loader_threshold" options of the "proxy/fastcgi/scgi/uwsgi_cache_path" directives. *) Feature: loading time decrease of configuration with large number of HTTPS sites. *) Feature: now nginx supports ECDHE key exchange ciphers. Thanks to Adrian Kotelba. *) Feature: the "lingering_close" directive. Thanks to Maxim Dounin. *) Bugfix: in closing connection for pipelined requests. Thanks to Maxim Dounin. *) Bugfix: nginx did not disable gzipping if client sent "gzip;q=0" in "Accept-Encoding" request header line. *) Bugfix: in timeout in unbuffered proxied mode. Thanks to Maxim Dounin. *) Bugfix: memory leaks when a "proxy_pass" directive contains variables and proxies to an HTTPS backend. Thanks to Maxim Dounin. *) Bugfix: in parameter validaiton of a "proxy_pass" directive with variables. Thanks to Lanshun Zhou. *) Bugfix: SSL did not work on QNX. Thanks to Maxim Dounin. *) Bugfix: SSL modules could not be built by gcc 4.6 without --with-debug option.
author Igor Sysoev <http://sysoev.ru>
date Mon, 01 Aug 2011 00:00:00 +0400
parents 10cc350ed8a1
children d0f7a625f27c
line wrap: on
line source


/*
 * Copyright (C) Igor Sysoev
 */


#ifndef _NGX_HTTP_BUSY_LOCK_H_INCLUDED_
#define _NGX_HTTP_BUSY_LOCK_H_INCLUDED_


#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>
#include <ngx_http.h>


typedef struct {
    u_char             *md5_mask;
    char               *md5;
    int                 cacheable;

    int                 busy;
    int                 max_busy;

    int                 waiting;
    int                 max_waiting;

    time_t              timeout;

    ngx_event_mutex_t  *mutex;
} ngx_http_busy_lock_t;


typedef struct {
    time_t         time;
    ngx_event_t   *event;
    void         (*event_handler)(ngx_event_t *ev);
    u_char        *md5;
    int            slot;
} ngx_http_busy_lock_ctx_t;


int ngx_http_busy_lock(ngx_http_busy_lock_t *bl, ngx_http_busy_lock_ctx_t *bc);
int ngx_http_busy_lock_cacheable(ngx_http_busy_lock_t *bl,
                                 ngx_http_busy_lock_ctx_t *bc, int lock);
void ngx_http_busy_unlock(ngx_http_busy_lock_t *bl,
                          ngx_http_busy_lock_ctx_t *bc);

char *ngx_http_set_busy_lock_slot(ngx_conf_t *cf, ngx_command_t *cmd,
                                  void *conf);


#endif /* _NGX_HTTP_BUSY_LOCK_H_INCLUDED_ */