1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
/*
* Copyright (C) Igor Sysoev
* Copyright (C) NGINX, Inc.
*/
#ifndef _NJS_TYPES_H_INCLUDED_
#define _NJS_TYPES_H_INCLUDED_
#define NJS_OK 0
#define NJS_ERROR (-1)
#define NJS_AGAIN (-2)
#define NJS_DECLINED (-3)
#define NJS_DONE (-4)
/*
* off_t is 32 bit on Linux, Solaris and HP-UX by default.
* Must be before <sys/types.h>.
*/
#define _FILE_OFFSET_BITS 64
/* u_char, u_int, int8_t, int32_t, int64_t, size_t, off_t. */
#include <sys/types.h>
#include <stdint.h>
#if (__LP64__)
#define NJS_64BIT 1
#define NJS_PTR_SIZE 8
#else
#define NJS_64BIT 0
#define NJS_PTR_SIZE 4
#endif
/*
* njs_int_t corresponds to the most efficient integer type, an architecture
* word. It is usually the long type, however on Win64 the long is int32_t,
* so pointer size suits better. njs_int_t must be no less than int32_t.
*/
#if (__amd64__)
/*
* AMD64 64-bit multiplication and division operations are slower and 64-bit
* instructions are longer.
*/
#define NJS_INT_T_SIZE 4
typedef int njs_int_t;
typedef u_int njs_uint_t;
#else
#define NJS_INT_T_SIZE NJS_PTR_SIZE
typedef intptr_t njs_int_t;
typedef uintptr_t njs_uint_t;
#endif
#if (NJS_HAVE_UNSIGNED_INT128)
typedef unsigned __int128 njs_uint128_t;
#endif
#if (NJS_INT_T_SIZE == 8)
#define NJS_INT_T_LEN NJS_INT64_T_LEN
#define NJS_INT_T_HEXLEN NJS_INT64_T_HEXLEN
#define NJS_INT_T_MAX NJS_INT64_T_MAX
#else
#define NJS_INT_T_LEN NJS_INT32_T_LEN
#define NJS_INT_T_HEXLEN NJS_INT32_T_HEXLEN
#define NJS_INT_T_MAX NJS_INT32_T_MAX
#endif
typedef njs_uint_t njs_bool_t;
typedef int njs_err_t;
/*
* njs_off_t corresponds to OS's off_t, a file offset type. Although Linux,
* Solaris, and HP-UX define both off_t and off64_t, setting _FILE_OFFSET_BITS
* to 64 defines off_t as off64_t.
*/
#if (NJS_WINDOWS)
/* Windows defines off_t as a 32-bit "long". */
typedef __int64 njs_off_t;
#else
typedef off_t njs_off_t;
#endif
/*
* njs_time_t corresponds to OS's time_t, time in seconds. njs_time_t is
* a signed integer. OS's time_t may be an integer or real-floating type,
* though it is usually a signed 32-bit or 64-bit integer depending on
* platform bits length. There are however exceptions, e.g., time_t is:
* 32-bit on 64-bit NetBSD prior to 6.0 version;
* 64-bit on 32-bit NetBSD 6.0;
* 32-bit on 64-bit OpenBSD;
* 64-bit in Linux x32 ABI;
* 64-bit in 32-bit Visual Studio C++ 2005.
*
* Besides, QNX defines time_t as uint32_t.
*/
#if (NJS_QNX)
/* Y2038 fix: "typedef int64_t njs_time_t". */
typedef int32_t njs_time_t;
#else
/* Y2038, if time_t is 32-bit integer. */
typedef time_t njs_time_t;
#endif
typedef pid_t njs_pid_t;
#define NJS_INT32_T_LEN njs_length("-2147483648")
#define NJS_INT64_T_LEN njs_length("-9223372036854775808")
#define NJS_DOUBLE_LEN (1 + DBL_MAX_10_EXP)
#define NJS_MAX_ERROR_STR 2048
#endif /* _NJS_TYPES_H_INCLUDED_ */
|
