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Additional connections reuse. If ngx_drain_connections() fails to immediately reuse any connections and there are no free connections, it now additionally tries to reuse a connection again. This helps to provide at least one free connection in case of HTTP/2 with lingering close, where merely trying to reuse a connection once does not free it, but makes it reusable again, waiting for lingering close.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 11 Feb 2021 21:52:11 +0300
parents d620f497c50f
children
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/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_ALLOC_H_INCLUDED_
#define _NGX_ALLOC_H_INCLUDED_


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


void *ngx_alloc(size_t size, ngx_log_t *log);
void *ngx_calloc(size_t size, ngx_log_t *log);

#define ngx_free          free
#define ngx_memalign(alignment, size, log)  ngx_alloc(size, log)

extern ngx_uint_t  ngx_pagesize;
extern ngx_uint_t  ngx_pagesize_shift;
extern ngx_uint_t  ngx_cacheline_size;


#endif /* _NGX_ALLOC_H_INCLUDED_ */