1 #ifndef _LIBRINGBUFFER_SHM_TYPES_H
2 #define _LIBRINGBUFFER_SHM_TYPES_H
5 * libringbuffer/shm_types.h
7 * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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.
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.
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
26 #include "shm_internal.h"
30 enum shm_object_type
{
36 enum shm_object_type type
;
37 size_t index
; /* within the object table */
38 int shm_fd
; /* shm fd */
39 int wait_fd
[2]; /* fd for wait/wakeup */
41 size_t memory_map_size
;
42 uint64_t allocated_len
;
46 struct shm_object_table
{
49 struct shm_object objects
[];
52 struct lttng_ust_shm_handle
{
53 struct shm_object_table
*table
;
54 DECLARE_SHMP(struct channel
, chan
);
57 #endif /* _LIBRINGBUFFER_SHM_TYPES_H */
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