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 
78 typedef intptr_t        ngx_int_t;
79 typedef uintptr_t       ngx_uint_t;
80 typedef 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