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ebabbf58 | 1 | /* |
c0c0989a | 2 | * SPDX-License-Identifier: LGPL-2.1-only |
ebabbf58 MD |
3 | * |
4 | * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
ebabbf58 MD |
5 | */ |
6 | ||
c0c0989a MJ |
7 | #ifndef _LIBCOUNTER_SHM_TYPES_H |
8 | #define _LIBCOUNTER_SHM_TYPES_H | |
9 | ||
ebabbf58 MD |
10 | #include <stdint.h> |
11 | #include <stddef.h> | |
12 | #include <limits.h> | |
13 | #include "shm_internal.h" | |
14 | ||
15 | enum lttng_counter_shm_object_type { | |
16 | LTTNG_COUNTER_SHM_OBJECT_SHM, | |
17 | LTTNG_COUNTER_SHM_OBJECT_MEM, | |
18 | }; | |
19 | ||
20 | struct lttng_counter_shm_object { | |
21 | enum lttng_counter_shm_object_type type; | |
22 | size_t index; /* within the object table */ | |
23 | int shm_fd; /* shm fd */ | |
24 | char *memory_map; | |
25 | size_t memory_map_size; | |
26 | uint64_t allocated_len; | |
27 | int shm_fd_ownership; | |
28 | }; | |
29 | ||
30 | struct lttng_counter_shm_object_table { | |
31 | size_t size; | |
32 | size_t allocated_len; | |
33 | struct lttng_counter_shm_object objects[]; | |
34 | }; | |
35 | ||
36 | struct lttng_counter_shm_handle { | |
37 | struct lttng_counter_shm_object_table *table; | |
38 | }; | |
39 | ||
40 | #endif /* _LIBCOUNTER_SHM_TYPES_H */ |