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
|
/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2009. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
* compliance with the License. You should have received a copy of the
* Erlang Public License along with this software. If not, it can be
* retrieved online at http://www.erlang.org/.
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* %CopyrightEnd%
*/
/* Include file for writers of Native Implemented Functions.
*/
/* Version history:
** 0.1: R13B03
** 1.0: R13B04
*/
#define ERL_NIF_MAJOR_VERSION 1
#define ERL_NIF_MINOR_VERSION 0
#include <stdlib.h>
typedef unsigned long ERL_NIF_TERM;
struct enif_environment_t;
typedef struct enif_environment_t ErlNifEnv;
typedef struct
{
const char* name;
unsigned arity;
ERL_NIF_TERM (*fptr)(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
}ErlNifFunc;
typedef struct enif_entry_t
{
int major;
int minor;
const char* name;
int num_of_funcs;
ErlNifFunc* funcs;
int (*load) (ErlNifEnv*, void** priv_data, ERL_NIF_TERM load_info);
int (*reload) (ErlNifEnv*, void** priv_data, ERL_NIF_TERM load_info);
int (*upgrade)(ErlNifEnv*, void** priv_data, void** old_priv_data, ERL_NIF_TERM load_info);
void (*unload) (ErlNifEnv*, void* priv_data);
}ErlNifEntry;
typedef struct
{
unsigned size;
unsigned char* data;
/* Internals (avert your eyes) */
ERL_NIF_TERM bin_term;
unsigned char* tmp_alloc;
void* ref_bin;
}ErlNifBinary;
#if (defined(__WIN32__) || defined(_WIN32) || defined(_WIN32_))
# define ERL_NIF_API_FUNC_DECL(RET_TYPE, NAME, ARGS) RET_TYPE (*NAME) ARGS
typedef struct {
# include "erl_nif_api_funcs.h"
} TWinDynNifCallbacks;
extern TWinDynNifCallbacks WinDynNifCallbacks;
# undef ERL_NIF_API_FUNC_DECL
#endif
#if (defined(__WIN32__) || defined(_WIN32) || defined(_WIN32_)) && !defined(STATIC_ERLANG_DRIVER)
# define ERL_NIF_API_FUNC_MACRO(NAME) (WinDynNifCallbacks.NAME)
# include "erl_nif_api_funcs.h"
/* note that we have to keep ERL_NIF_API_FUNC_MACRO defined */
#else /* non windows or included from emulator itself */
# define ERL_NIF_API_FUNC_DECL(RET_TYPE, NAME, ARGS) extern RET_TYPE NAME ARGS
# include "erl_nif_api_funcs.h"
# undef ERL_NIF_API_FUNC_DECL
#endif
#if (defined(__WIN32__) || defined(_WIN32) || defined(_WIN32_))
# define ERL_NIF_INIT_GLOB TWinDynNifCallbacks WinDynNifCallbacks;
# define ERL_NIF_INIT_DECL(MODNAME) __declspec(dllexport) ErlNifEntry* nif_init(TWinDynNifCallbacks* callbacks)
# define ERL_NIF_INIT_BODY memcpy(&WinDynNifCallbacks,callbacks,sizeof(TWinDynNifCallbacks))
#else
# define ERL_NIF_INIT_GLOB
# define ERL_NIF_INIT_BODY
# if defined(VXWORKS)
# define ERL_NIF_INIT_DECL(MODNAME) ErlNifEntry* MODNAME ## _init(void)
# else
# define ERL_NIF_INIT_DECL(MODNAME) ErlNifEntry* nif_init(void)
# endif
#endif
#define ERL_NIF_INIT(NAME, FUNCS, LOAD, RELOAD, UPGRADE, UNLOAD) \
ERL_NIF_INIT_GLOB \
ERL_NIF_INIT_DECL(NAME) \
{ \
static ErlNifEntry entry = \
{ \
ERL_NIF_MAJOR_VERSION, \
ERL_NIF_MINOR_VERSION, \
#NAME, \
sizeof(FUNCS) / sizeof(*FUNCS), \
FUNCS, \
LOAD, RELOAD, UPGRADE, UNLOAD \
}; \
ERL_NIF_INIT_BODY; \
return &entry; \
}
|
