view src/core/ngx_core.h @ 4569:1db899642518

Upstream: reject upstreams without normal servers. Such upstreams cause CPU hog later in the code as number of peers isn't expected to be 0. Currently this may happen either if there are only backup servers defined in an upstream block, or if server with ipv6 address used in an upstream block.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 02 Apr 2012 21:29:35 +0000
parents 7033faf6dc3c
children 386a06a22c40
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/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_CORE_H_INCLUDED_
#define _NGX_CORE_H_INCLUDED_


typedef struct ngx_module_s      ngx_module_t;
typedef struct ngx_conf_s        ngx_conf_t;
typedef struct ngx_cycle_s       ngx_cycle_t;
typedef struct ngx_pool_s        ngx_pool_t;
typedef struct ngx_chain_s       ngx_chain_t;
typedef struct ngx_log_s         ngx_log_t;
typedef struct ngx_array_s       ngx_array_t;
typedef struct ngx_open_file_s   ngx_open_file_t;
typedef struct ngx_command_s     ngx_command_t;
typedef struct ngx_file_s        ngx_file_t;
typedef struct ngx_event_s       ngx_event_t;
typedef struct ngx_event_aio_s   ngx_event_aio_t;
typedef struct ngx_connection_s  ngx_connection_t;

typedef void (*ngx_event_handler_pt)(ngx_event_t *ev);
typedef void (*ngx_connection_handler_pt)(ngx_connection_t *c);


#define  NGX_OK          0
#define  NGX_ERROR      -1
#define  NGX_AGAIN      -2
#define  NGX_BUSY       -3
#define  NGX_DONE       -4
#define  NGX_DECLINED   -5
#define  NGX_ABORT      -6


#include <ngx_errno.h>
#include <ngx_atomic.h>
#include <ngx_thread.h>
#include <ngx_rbtree.h>
#include <ngx_time.h>
#include <ngx_socket.h>
#include <ngx_string.h>
#include <ngx_files.h>
#include <ngx_shmem.h>
#include <ngx_process.h>
#include <ngx_user.h>
#include <ngx_parse.h>
#include <ngx_log.h>
#include <ngx_alloc.h>
#include <ngx_palloc.h>
#include <ngx_buf.h>
#include <ngx_queue.h>
#include <ngx_array.h>
#include <ngx_list.h>
#include <ngx_hash.h>
#include <ngx_file.h>
#include <ngx_crc.h>
#include <ngx_crc32.h>
#include <ngx_murmurhash.h>
#if (NGX_PCRE)
#include <ngx_regex.h>
#endif
#include <ngx_radix_tree.h>
#include <ngx_times.h>
#include <ngx_shmtx.h>
#include <ngx_slab.h>
#include <ngx_inet.h>
#include <ngx_cycle.h>
#if (NGX_OPENSSL)
#include <ngx_event_openssl.h>
#endif
#include <ngx_process_cycle.h>
#include <ngx_conf_file.h>
#include <ngx_resolver.h>
#include <ngx_open_file_cache.h>
#include <ngx_os.h>
#include <ngx_connection.h>


#define LF     (u_char) 10
#define CR     (u_char) 13
#define CRLF   "\x0d\x0a"


#define ngx_abs(value)       (((value) >= 0) ? (value) : - (value))
#define ngx_max(val1, val2)  ((val1 < val2) ? (val2) : (val1))
#define ngx_min(val1, val2)  ((val1 > val2) ? (val2) : (val1))

void ngx_cpuinfo(void);

#if (NGX_HAVE_OPENAT)
#define NGX_DISABLE_SYMLINKS_OFF        0
#define NGX_DISABLE_SYMLINKS_ON         1
#define NGX_DISABLE_SYMLINKS_NOTOWNER   2
#endif

#endif /* _NGX_CORE_H_INCLUDED_ */