Commit | Line | Data |
---|---|---|
1239a312 DG |
1 | /* |
2 | * Copyright (C) 2014 - David Goulet <dgoulet@efficios.com> | |
3 | * | |
4 | * This library is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU Lesser General Public License, version 2.1 only, | |
6 | * as published by the Free Software Foundation. | |
7 | * | |
8 | * This library is distributed in the hope that it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License | |
11 | * for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU Lesser General Public License | |
14 | * along with this library; if not, write to the Free Software Foundation, | |
15 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
16 | */ | |
17 | ||
18 | #ifndef LTTNG_DOMAIN_H | |
19 | #define LTTNG_DOMAIN_H | |
20 | ||
21 | #ifdef __cplusplus | |
22 | extern "C" { | |
23 | #endif | |
24 | ||
25 | #include <lttng/constant.h> | |
26 | ||
27 | /* | |
28 | * Domain types: the different possible tracers. | |
29 | */ | |
30 | enum lttng_domain_type { | |
95681498 | 31 | LTTNG_DOMAIN_NONE = 0, /* No associated domain. */ |
1239a312 DG |
32 | LTTNG_DOMAIN_KERNEL = 1, /* Linux Kernel tracer. */ |
33 | LTTNG_DOMAIN_UST = 2, /* Global Userspace tracer. */ | |
34 | LTTNG_DOMAIN_JUL = 3, /* Java Util Logging. */ | |
5cdb6027 | 35 | LTTNG_DOMAIN_LOG4J = 4, /* Java Log4j Framework. */ |
0e115563 | 36 | LTTNG_DOMAIN_PYTHON = 5, /* Python logging Framework. */ |
1239a312 DG |
37 | }; |
38 | ||
39 | /* Buffer type for a specific domain. */ | |
40 | enum lttng_buffer_type { | |
41 | LTTNG_BUFFER_PER_PID, /* Only supported by UST being the default. */ | |
42 | LTTNG_BUFFER_PER_UID, /* Only supported by UST. */ | |
43 | LTTNG_BUFFER_GLOBAL, /* Only supported by the Kernel. */ | |
44 | }; | |
45 | ||
46 | /* | |
47 | * The structures should be initialized to zero before use. | |
48 | */ | |
49 | #define LTTNG_DOMAIN_PADDING1 12 | |
50 | #define LTTNG_DOMAIN_PADDING2 LTTNG_SYMBOL_NAME_LEN + 32 | |
51 | struct lttng_domain { | |
52 | enum lttng_domain_type type; | |
53 | enum lttng_buffer_type buf_type; | |
54 | char padding[LTTNG_DOMAIN_PADDING1]; | |
55 | ||
56 | union { | |
57 | pid_t pid; | |
36d2e35d | 58 | char exec_name[LTTNG_NAME_MAX]; |
1239a312 DG |
59 | char padding[LTTNG_DOMAIN_PADDING2]; |
60 | } attr; | |
61 | }; | |
62 | ||
63 | /* | |
64 | * List the registered domain(s) of a session. | |
65 | * | |
66 | * Session name CAN NOT be NULL. | |
67 | * | |
68 | * Return the size (number of entries) of the "lttng_domain" array. Caller | |
69 | * must free domains. On error, a negative LTTng error code is returned. | |
70 | */ | |
71 | extern int lttng_list_domains(const char *session_name, | |
72 | struct lttng_domain **domains); | |
73 | ||
74 | #ifdef __cplusplus | |
75 | } | |
76 | #endif | |
77 | ||
78 | #endif /* LTTNG_DOMAIN_H */ |