ngx_config.h revision e18a033b
1
2/*
3 * Copyright (C) Igor Sysoev
4 * Copyright (C) Nginx, Inc.
5 */
6
7
8#ifndef _NGX_CONFIG_H_INCLUDED_
9#define _NGX_CONFIG_H_INCLUDED_
10
11
12#include <ngx_auto_headers.h>
13
14
15#if defined __DragonFly__ && !defined __FreeBSD__
16#define __FreeBSD__        4
17#define __FreeBSD_version  480101
18#endif
19
20
21#if (NGX_FREEBSD)
22#include <ngx_freebsd_config.h>
23
24
25#elif (NGX_LINUX)
26#include <ngx_linux_config.h>
27
28
29#elif (NGX_SOLARIS)
30#include <ngx_solaris_config.h>
31
32
33#elif (NGX_DARWIN)
34#include <ngx_darwin_config.h>
35
36
37#elif (NGX_WIN32)
38#include <ngx_win32_config.h>
39
40
41#else /* POSIX */
42#include <ngx_posix_config.h>
43
44#endif
45
46
47#ifndef NGX_HAVE_SO_SNDLOWAT
48#define NGX_HAVE_SO_SNDLOWAT     1
49#endif
50
51
52#if !(NGX_WIN32)
53
54#define ngx_signal_helper(n)     SIG##n
55#define ngx_signal_value(n)      ngx_signal_helper(n)
56
57#define ngx_random               random
58
59/* TODO: #ifndef */
60#define NGX_SHUTDOWN_SIGNAL      QUIT
61#define NGX_TERMINATE_SIGNAL     TERM
62#define NGX_NOACCEPT_SIGNAL      WINCH
63#define NGX_RECONFIGURE_SIGNAL   HUP
64
65#if (NGX_LINUXTHREADS)
66#define NGX_REOPEN_SIGNAL        INFO
67#define NGX_CHANGEBIN_SIGNAL     XCPU
68#else
69#define NGX_REOPEN_SIGNAL        USR1
70#define NGX_CHANGEBIN_SIGNAL     USR2
71#endif
72
73#define ngx_cdecl
74#define ngx_libc_cdecl
75
76#endif
77
78typedef intptr_t        ngx_int_t;
79typedef uintptr_t       ngx_uint_t;
80typedef intptr_t        ngx_flag_t;
81
82
83#define NGX_INT32_LEN   (sizeof("-2147483648") - 1)
84#define NGX_INT64_LEN   (sizeof("-9223372036854775808") - 1)
85
86#if (NGX_PTR_SIZE == 4)
87#define NGX_INT_T_LEN   NGX_INT32_LEN
88#define NGX_MAX_INT_T_VALUE  2147483647
89
90#else
91#define NGX_INT_T_LEN   NGX_INT64_LEN
92#define NGX_MAX_INT_T_VALUE  9223372036854775807
93#endif
94
95
96#ifndef NGX_ALIGNMENT
97#define NGX_ALIGNMENT   sizeof(unsigned long)    /* platform word */
98#endif
99
100#define ngx_align(d, a)     (((d) + (a - 1)) & ~(a - 1))
101#define ngx_align_ptr(p, a)                                                   \
102    (u_char *) (((uintptr_t) (p) + ((uintptr_t) a - 1)) & ~((uintptr_t) a - 1))
103
104
105#define ngx_abort       abort
106
107
108/* TODO: platform specific: array[NGX_INVALID_ARRAY_INDEX] must cause SIGSEGV */
109#define NGX_INVALID_ARRAY_INDEX 0x80000000
110
111
112/* TODO: auto_conf: ngx_inline   inline __inline __inline__ */
113#ifndef ngx_inline
114#define ngx_inline      inline
115#endif
116
117#ifndef INADDR_NONE  /* Solaris */
118#define INADDR_NONE  ((unsigned int) -1)
119#endif
120
121#ifdef MAXHOSTNAMELEN
122#define NGX_MAXHOSTNAMELEN  MAXHOSTNAMELEN
123#else
124#define NGX_MAXHOSTNAMELEN  256
125#endif
126
127
128#define NGX_MAX_UINT32_VALUE  (uint32_t) 0xffffffff
129#define NGX_MAX_INT32_VALUE   (uint32_t) 0x7fffffff
130
131
132#if (NGX_COMPAT)
133
134#define NGX_COMPAT_BEGIN(slots)  uint64_t spare[slots];
135#define NGX_COMPAT_END
136
137#else
138
139#define NGX_COMPAT_BEGIN(slots)
140#define NGX_COMPAT_END
141
142#endif
143
144
145#endif /* _NGX_CONFIG_H_INCLUDED_ */
146