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/*
* 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_ */