Add lttng-kconsumerd.h
[lttng-tools.git] / kconsumerd / kconsumerd.h
1 /*
2 * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 */
18
19 #ifndef _LTT_KCONSUMERD_H
20 #define _LTT_KCONSUMERD_H
21
22 #include "lttng-kconsumerd.h"
23
24 struct ltt_kconsumerd_fd_list {
25 struct cds_list_head head;
26 };
27
28 /*
29 * Internal representation of the FDs,
30 * sessiond_fd is used to identify uniquely a fd
31 */
32 struct ltt_kconsumerd_fd {
33 struct cds_list_head list;
34 int sessiond_fd; /* used to identify uniquely a fd with sessiond */
35 int consumerd_fd; /* fd to consume */
36 int out_fd; /* output file to write the data */
37 off_t out_fd_offset; /* write position in the output file descriptor */
38 char path_name[PATH_MAX]; /* tracefile name */
39 enum kconsumerd_fd_state state;
40 unsigned long max_sb_size; /* the subbuffer size for this channel */
41 };
42
43 #endif /* _LTT_KCONSUMERD_H */
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