Commit | Line | Data |
---|---|---|
ebabbf58 MD |
1 | #ifndef _LIBCOUNTER_SHM_TYPES_H |
2 | #define _LIBCOUNTER_SHM_TYPES_H | |
3 | ||
4 | /* | |
5 | * libcounter/shm_types.h | |
6 | * | |
7 | * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
8 | * | |
9 | * This library is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU Lesser General Public | |
11 | * License as published by the Free Software Foundation; only | |
12 | * version 2.1 of the License. | |
13 | * | |
14 | * This library is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * Lesser General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU Lesser General Public | |
20 | * License along with this library; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
22 | */ | |
23 | ||
24 | #include <stdint.h> | |
25 | #include <stddef.h> | |
26 | #include <limits.h> | |
27 | #include "shm_internal.h" | |
28 | ||
29 | enum lttng_counter_shm_object_type { | |
30 | LTTNG_COUNTER_SHM_OBJECT_SHM, | |
31 | LTTNG_COUNTER_SHM_OBJECT_MEM, | |
32 | }; | |
33 | ||
34 | struct lttng_counter_shm_object { | |
35 | enum lttng_counter_shm_object_type type; | |
36 | size_t index; /* within the object table */ | |
37 | int shm_fd; /* shm fd */ | |
38 | char *memory_map; | |
39 | size_t memory_map_size; | |
40 | uint64_t allocated_len; | |
41 | int shm_fd_ownership; | |
42 | }; | |
43 | ||
44 | struct lttng_counter_shm_object_table { | |
45 | size_t size; | |
46 | size_t allocated_len; | |
47 | struct lttng_counter_shm_object objects[]; | |
48 | }; | |
49 | ||
50 | struct lttng_counter_shm_handle { | |
51 | struct lttng_counter_shm_object_table *table; | |
52 | }; | |
53 | ||
54 | #endif /* _LIBCOUNTER_SHM_TYPES_H */ |