-
Notifications
You must be signed in to change notification settings - Fork 16
/
context.h
80 lines (68 loc) · 2.13 KB
/
context.h
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
/*
* The MIT License (MIT)
*
* Copyright © 2016 Franklin "Snaipe" Mathieu <http://snai.pe/>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef CONTEXT_H_
#define CONTEXT_H_
#include "addr.h"
#include "arena.h"
struct bxf_context_s {
bxf_arena arena;
};
enum bxfi_ctx_tag {
BXFI_TAG_STATIC,
BXFI_TAG_ARENA,
BXFI_TAG_OBJECT,
BXFI_TAG_FHANDLE,
};
struct bxfi_ctx_static {
enum bxfi_ctx_tag tag;
const void *addr;
size_t seg;
size_t size;
char data[];
};
struct bxfi_ctx_arena {
enum bxfi_ctx_tag tag;
int flags;
void *base;
#ifdef BXF_ARENA_REOPEN_SHM
char name[BXFI_ARENA_NAME_SIZE];
#else
bxf_fhandle handle;
#endif
};
struct bxfi_ctx_object {
enum bxfi_ctx_tag tag;
size_t namesz;
size_t offset;
char data[];
};
struct bxfi_ctx_fhandle {
enum bxfi_ctx_tag tag;
bxf_fhandle handle;
};
typedef int (bxf_fhandle_fn)(bxf_fhandle, void *);
bxf_fhandle bxfi_context_gethandle(bxf_context ctx);
int bxfi_context_prepare(bxf_context ctx, bxf_fhandle_fn *fn, void *user);
int bxfi_context_inherit(struct bxfi_ctx_arena *ctx);
#endif /* !CONTEXT_H_ */