/usr/include/lttng/domain.h is in liblttng-ctl-dev 2.5.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | /*
* Copyright (C) 2014 - David Goulet <dgoulet@efficios.com>
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License, version 2.1 only,
* as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef LTTNG_DOMAIN_H
#define LTTNG_DOMAIN_H
#ifdef __cplusplus
extern "C" {
#endif
#include <lttng/constant.h>
/*
* Domain types: the different possible tracers.
*/
enum lttng_domain_type {
LTTNG_DOMAIN_KERNEL = 1, /* Linux Kernel tracer. */
LTTNG_DOMAIN_UST = 2, /* Global Userspace tracer. */
LTTNG_DOMAIN_JUL = 3, /* Java Util Logging. */
};
/* Buffer type for a specific domain. */
enum lttng_buffer_type {
LTTNG_BUFFER_PER_PID, /* Only supported by UST being the default. */
LTTNG_BUFFER_PER_UID, /* Only supported by UST. */
LTTNG_BUFFER_GLOBAL, /* Only supported by the Kernel. */
};
/*
* The structures should be initialized to zero before use.
*/
#define LTTNG_DOMAIN_PADDING1 12
#define LTTNG_DOMAIN_PADDING2 LTTNG_SYMBOL_NAME_LEN + 32
struct lttng_domain {
enum lttng_domain_type type;
enum lttng_buffer_type buf_type;
char padding[LTTNG_DOMAIN_PADDING1];
union {
pid_t pid;
char exec_name[NAME_MAX];
char padding[LTTNG_DOMAIN_PADDING2];
} attr;
};
/*
* List the registered domain(s) of a session.
*
* Session name CAN NOT be NULL.
*
* Return the size (number of entries) of the "lttng_domain" array. Caller
* must free domains. On error, a negative LTTng error code is returned.
*/
extern int lttng_list_domains(const char *session_name,
struct lttng_domain **domains);
#ifdef __cplusplus
}
#endif
#endif /* LTTNG_DOMAIN_H */
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