nginx/src/core/ngx_config.h
Ruslan Ermilov c40de74682 Introduced the NGX_COMPAT macro.
When enabled, some structures are padded to be size compatible
with their NGINX Plus versions.
2016-09-29 15:28:24 +03:00

146 lines
2.7 KiB
C

/*
* Copyright (C) Igor Sysoev
* Copyright (C) Nginx, Inc.
*/
#ifndef _NGX_CONFIG_H_INCLUDED_
#define _NGX_CONFIG_H_INCLUDED_
#include <ngx_auto_headers.h>
#if defined __DragonFly__ && !defined __FreeBSD__
#define __FreeBSD__ 4
#define __FreeBSD_version 480101
#endif
#if (NGX_FREEBSD)
#include <ngx_freebsd_config.h>
#elif (NGX_LINUX)
#include <ngx_linux_config.h>
#elif (NGX_SOLARIS)
#include <ngx_solaris_config.h>
#elif (NGX_DARWIN)
#include <ngx_darwin_config.h>
#elif (NGX_WIN32)
#include <ngx_win32_config.h>
#else /* POSIX */
#include <ngx_posix_config.h>
#endif
#ifndef NGX_HAVE_SO_SNDLOWAT
#define NGX_HAVE_SO_SNDLOWAT 1
#endif
#if !(NGX_WIN32)
#define ngx_signal_helper(n) SIG##n
#define ngx_signal_value(n) ngx_signal_helper(n)
#define ngx_random random
/* TODO: #ifndef */
#define NGX_SHUTDOWN_SIGNAL QUIT
#define NGX_TERMINATE_SIGNAL TERM
#define NGX_NOACCEPT_SIGNAL WINCH
#define NGX_RECONFIGURE_SIGNAL HUP
#if (NGX_LINUXTHREADS)
#define NGX_REOPEN_SIGNAL INFO
#define NGX_CHANGEBIN_SIGNAL XCPU
#else
#define NGX_REOPEN_SIGNAL USR1
#define NGX_CHANGEBIN_SIGNAL USR2
#endif
#define ngx_cdecl
#define ngx_libc_cdecl
#endif
typedef intptr_t ngx_int_t;
typedef uintptr_t ngx_uint_t;
typedef intptr_t ngx_flag_t;
#define NGX_INT32_LEN (sizeof("-2147483648") - 1)
#define NGX_INT64_LEN (sizeof("-9223372036854775808") - 1)
#if (NGX_PTR_SIZE == 4)
#define NGX_INT_T_LEN NGX_INT32_LEN
#define NGX_MAX_INT_T_VALUE 2147483647
#else
#define NGX_INT_T_LEN NGX_INT64_LEN
#define NGX_MAX_INT_T_VALUE 9223372036854775807
#endif
#ifndef NGX_ALIGNMENT
#define NGX_ALIGNMENT sizeof(unsigned long) /* platform word */
#endif
#define ngx_align(d, a) (((d) + (a - 1)) & ~(a - 1))
#define ngx_align_ptr(p, a) \
(u_char *) (((uintptr_t) (p) + ((uintptr_t) a - 1)) & ~((uintptr_t) a - 1))
#define ngx_abort abort
/* TODO: platform specific: array[NGX_INVALID_ARRAY_INDEX] must cause SIGSEGV */
#define NGX_INVALID_ARRAY_INDEX 0x80000000
/* TODO: auto_conf: ngx_inline inline __inline __inline__ */
#ifndef ngx_inline
#define ngx_inline inline
#endif
#ifndef INADDR_NONE /* Solaris */
#define INADDR_NONE ((unsigned int) -1)
#endif
#ifdef MAXHOSTNAMELEN
#define NGX_MAXHOSTNAMELEN MAXHOSTNAMELEN
#else
#define NGX_MAXHOSTNAMELEN 256
#endif
#define NGX_MAX_UINT32_VALUE (uint32_t) 0xffffffff
#define NGX_MAX_INT32_VALUE (uint32_t) 0x7fffffff
#if (NGX_COMPAT)
#define NGX_COMPAT_BEGIN(slots) uint64_t spare[slots];
#define NGX_COMPAT_END
#else
#define NGX_COMPAT_BEGIN(slots)
#define NGX_COMPAT_END
#endif
#endif /* _NGX_CONFIG_H_INCLUDED_ */