[lttng-tools.git] / src / bin / lttng-sessiond / ust-app.h

/*
 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2 only,
 * as published by the Free Software Foundation.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef _LTT_UST_APP_H 
#define _LTT_UST_APP_H

#include <stdint.h>

#include "trace-ust.h"

/* lttng-ust supported version. */
#define LTTNG_UST_COMM_MAJOR          2	/* comm protocol major version */
#define UST_APP_MAJOR_VERSION         3 /* Internal UST version supported */

#define UST_APP_EVENT_LIST_SIZE 32

struct lttng_filter_bytecode;
struct lttng_ust_filter_bytecode;

extern int ust_consumerd64_fd, ust_consumerd32_fd;

struct ust_app_ht_key {
	const char *name;
	const struct lttng_ust_filter_bytecode *filter;
	enum lttng_ust_loglevel_type loglevel;
};

/*
 * Application registration data structure.
 */
struct ust_register_msg {
	uint32_t major;
	uint32_t minor;
	pid_t pid;
	pid_t ppid;
	uid_t uid;
	gid_t gid;
	uint32_t bits_per_long;
	char name[16];
};

/*
 * Global applications HT used by the session daemon. This table is indexed by
 * PID using the pid_n node and pid value of an ust_app.
 */
struct lttng_ht *ust_app_ht;

/*
 * Global applications HT used by the session daemon. This table is indexed by
 * socket using the sock_n node and sock value of an ust_app.
 */
struct lttng_ht *ust_app_ht_by_sock;

/* Stream list containing ust_app_stream. */
struct ust_app_stream_list {
	unsigned int count;
	struct cds_list_head head;
};

struct ust_app_ctx {
	int handle;
	struct lttng_ust_context ctx;
	struct lttng_ust_object_data *obj;
	struct lttng_ht_node_ulong node;
};

struct ust_app_event {
	int enabled;
	int handle;
	struct lttng_ust_object_data *obj;
	struct lttng_ust_event attr;
	char name[LTTNG_UST_SYM_NAME_LEN];
	struct lttng_ht_node_str node;
	struct lttng_ust_filter_bytecode *filter;
};

struct ust_app_stream {
	int handle;
	char pathname[PATH_MAX];
	/* Format is %s_%d respectively channel name and CPU number. */
	char name[DEFAULT_STREAM_NAME_LEN];
	struct lttng_ust_object_data *obj;
	/* Using a list of streams to keep order. */
	struct cds_list_head list;
};

struct ust_app_channel {
	int enabled;
	int handle;
	char name[LTTNG_UST_SYM_NAME_LEN];
	struct lttng_ust_channel_attr attr;
	struct lttng_ust_object_data *obj;
	struct ust_app_stream_list streams;
	struct lttng_ht *ctx;
	struct lttng_ht *events;
	struct lttng_ht_node_str node;
};

struct ust_app_session {
	int enabled;
	/* started: has the session been in started state at any time ? */
	int started;  /* allows detection of start vs restart. */
	int handle;   /* used has unique identifier for app session */
	int id;       /* session unique identifier */
	struct ltt_ust_metadata *metadata;
	struct lttng_ht *channels; /* Registered channels */
	struct lttng_ht_node_ulong node;
	char path[PATH_MAX];
	/* UID/GID of the user owning the session */
	uid_t uid;
	gid_t gid;
	struct cds_list_head teardown_node;
};

/*
 * Registered traceable applications. Libust registers to the session daemon
 * and a linked list is kept of all running traceable app.
 */
struct ust_app {
	int sock;
	pid_t pid;
	pid_t ppid;
	uid_t uid;           /* User ID that owns the apps */
	gid_t gid;           /* Group ID that owns the apps */
	int bits_per_long;
	int compatible; /* If the lttng-ust tracer version does not match the
					   supported version of the session daemon, this flag is
					   set to 0 (NOT compatible) else 1. */
	struct lttng_ust_tracer_version version;
	uint32_t v_major;    /* Verion major number */
	uint32_t v_minor;    /* Verion minor number */
	char name[17];       /* Process name (short) */
	struct lttng_ht *sessions;
	struct lttng_ht_node_ulong pid_n;
	struct lttng_ht_node_ulong sock_n;
	/*
	 * This is a list of ust app session that, once the app is going into
	 * teardown mode, in the RCU call, each node in this list is removed and
	 * deleted.
	 *
	 * Element of the list are added when an application unregisters after each
	 * ht_del of ust_app_session associated to this app. This list is NOT used
	 * when a session is destroyed.
	 */
	struct cds_list_head teardown_head;
};

#ifdef HAVE_LIBLTTNG_UST_CTL

int ust_app_register(struct ust_register_msg *msg, int sock);
static inline
int ust_app_register_done(int sock)
{
	return ustctl_register_done(sock);
}
void ust_app_unregister(int sock);
unsigned long ust_app_list_count(void);
int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app);
int ust_app_stop_trace(struct ltt_ust_session *usess, struct ust_app *app);
int ust_app_start_trace_all(struct ltt_ust_session *usess);
int ust_app_stop_trace_all(struct ltt_ust_session *usess);
int ust_app_destroy_trace_all(struct ltt_ust_session *usess);
int ust_app_list_events(struct lttng_event **events);
int ust_app_list_event_fields(struct lttng_event_field **fields);
int ust_app_create_channel_glb(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan);
int ust_app_create_event_glb(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
int ust_app_disable_event_pid(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
		pid_t pid);
int ust_app_enable_event_pid(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
		pid_t pid);
int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan);
int ust_app_enable_channel_glb(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan);
int ust_app_enable_event_glb(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
int ust_app_disable_all_event_glb(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan);
int ust_app_enable_all_event_glb(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan);
int ust_app_disable_event_glb(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx);
void ust_app_global_update(struct ltt_ust_session *usess, int sock);

void ust_app_clean_list(void);
void ust_app_ht_alloc(void);
struct lttng_ht *ust_app_get_ht(void);
struct ust_app *ust_app_find_by_pid(pid_t pid);
int ust_app_validate_version(int sock);
int ust_app_calibrate_glb(struct lttng_ust_calibrate *calibrate);

#else /* HAVE_LIBLTTNG_UST_CTL */

static inline
int ust_app_destroy_trace_all(struct ltt_ust_session *usess)
{
	return 0;
}
static inline
int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app)
{
	return 0;
}
static inline
int ust_app_start_trace_all(struct ltt_ust_session *usess)
{
	return 0;
}
static inline
int ust_app_stop_trace_all(struct ltt_ust_session *usess)
{
	return 0;
}
static inline
int ust_app_list_events(struct lttng_event **events)
{
	return -ENOSYS;
}
static inline
int ust_app_list_event_fields(struct lttng_event_field **fields)
{
	return -ENOSYS;
}
static inline
int ust_app_register(struct ust_register_msg *msg, int sock)
{
	return -ENOSYS;
}
static inline
int ust_app_register_done(int sock)
{
	return -ENOSYS;
}
static inline
void ust_app_unregister(int sock)
{
}
static inline
unsigned int ust_app_list_count(void)
{
	return 0;
}
static inline
void ust_app_lock_list(void)
{
}
static inline
void ust_app_unlock_list(void)
{
}
static inline
void ust_app_clean_list(void)
{
}
static inline
struct ust_app_list *ust_app_get_list(void)
{
	return NULL;
}
static inline
struct ust_app *ust_app_get_by_pid(pid_t pid)
{
	return NULL;
}
static inline
struct lttng_ht *ust_app_get_ht(void)
{
	return NULL;
}
static inline
void ust_app_ht_alloc(void)
{}
static inline
void ust_app_global_update(struct ltt_ust_session *usess, int sock)
{}
static inline
int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan)
{
	return 0;
}
static inline
int ust_app_enable_channel_glb(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan)
{
	return 0;
}
static inline
int ust_app_create_channel_glb(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan)
{
	return 0;
}
static inline
int ust_app_disable_all_event_glb(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan)
{
	return 0;
}
static inline
int ust_app_enable_all_event_glb(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan)
{
	return 0;
}
static inline
int ust_app_create_event_glb(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent)
{
	return 0;
}
static inline
int ust_app_disable_event_glb(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent)
{
	return 0;
}
static inline
int ust_app_enable_event_glb(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent)
{
	return 0;
}
static inline
int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx)
{
	return 0;
}
static inline
int ust_app_enable_event_pid(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
		pid_t pid)
{
	return 0;
}
static inline
int ust_app_disable_event_pid(struct ltt_ust_session *usess,
		struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
		pid_t pid)
{
	return 0;
}
static inline
int ust_app_validate_version(int sock)
{
	return 0;
}
static inline
int ust_app_calibrate_glb(struct lttng_ust_calibrate *calibrate)
{
	return 0;
}

#endif /* HAVE_LIBLTTNG_UST_CTL */

#endif /* _LTT_UST_APP_H */
Commit	Line	Data
	1	/*
	2	* Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License, version 2 only,
	6	* as published by the Free Software Foundation.
	7	*
	8	* This program is distributed in the hope that it will be useful,
	9	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	11	* GNU General Public License for more details.
	12	*
	13	* You should have received a copy of the GNU General Public License along
	14	* with this program; if not, write to the Free Software Foundation, Inc.,
	15	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	16	*/
	17
	18	#ifndef _LTT_UST_APP_H
	19	#define _LTT_UST_APP_H
	20
	21	#include <stdint.h>
	22
	23	#include "trace-ust.h"
	24
	25	/* lttng-ust supported version. */
	26	#define LTTNG_UST_COMM_MAJOR 2 /* comm protocol major version */
	27	#define UST_APP_MAJOR_VERSION 3 /* Internal UST version supported */
	28
	29	#define UST_APP_EVENT_LIST_SIZE 32
	30
	31	struct lttng_filter_bytecode;
	32	struct lttng_ust_filter_bytecode;
	33
	34	extern int ust_consumerd64_fd, ust_consumerd32_fd;
	35
	36	struct ust_app_ht_key {
	37	const char *name;
	38	const struct lttng_ust_filter_bytecode *filter;
	39	enum lttng_ust_loglevel_type loglevel;
	40	};
	41
	42	/*
	43	* Application registration data structure.
	44	*/
	45	struct ust_register_msg {
	46	uint32_t major;
	47	uint32_t minor;
	48	pid_t pid;
	49	pid_t ppid;
	50	uid_t uid;
	51	gid_t gid;
	52	uint32_t bits_per_long;
	53	char name[16];
	54	};
	55
	56	/*
	57	* Global applications HT used by the session daemon. This table is indexed by
	58	* PID using the pid_n node and pid value of an ust_app.
	59	*/
	60	struct lttng_ht *ust_app_ht;
	61
	62	/*
	63	* Global applications HT used by the session daemon. This table is indexed by
	64	* socket using the sock_n node and sock value of an ust_app.
	65	*/
	66	struct lttng_ht *ust_app_ht_by_sock;
	67
	68	/* Stream list containing ust_app_stream. */
	69	struct ust_app_stream_list {
	70	unsigned int count;
	71	struct cds_list_head head;
	72	};
	73
	74	struct ust_app_ctx {
	75	int handle;
	76	struct lttng_ust_context ctx;
	77	struct lttng_ust_object_data *obj;
	78	struct lttng_ht_node_ulong node;
	79	};
	80
	81	struct ust_app_event {
	82	int enabled;
	83	int handle;
	84	struct lttng_ust_object_data *obj;
	85	struct lttng_ust_event attr;
	86	char name[LTTNG_UST_SYM_NAME_LEN];
	87	struct lttng_ht_node_str node;
	88	struct lttng_ust_filter_bytecode *filter;
	89	};
	90
	91	struct ust_app_stream {
	92	int handle;
	93	char pathname[PATH_MAX];
	94	/* Format is %s_%d respectively channel name and CPU number. */
	95	char name[DEFAULT_STREAM_NAME_LEN];
	96	struct lttng_ust_object_data *obj;
	97	/* Using a list of streams to keep order. */
	98	struct cds_list_head list;
	99	};
	100
	101	struct ust_app_channel {
	102	int enabled;
	103	int handle;
	104	char name[LTTNG_UST_SYM_NAME_LEN];
	105	struct lttng_ust_channel_attr attr;
	106	struct lttng_ust_object_data *obj;
	107	struct ust_app_stream_list streams;
	108	struct lttng_ht *ctx;
	109	struct lttng_ht *events;
	110	struct lttng_ht_node_str node;
	111	};
	112
	113	struct ust_app_session {
	114	int enabled;
	115	/* started: has the session been in started state at any time ? */
	116	int started; /* allows detection of start vs restart. */
	117	int handle; /* used has unique identifier for app session */
	118	int id; /* session unique identifier */
	119	struct ltt_ust_metadata *metadata;
	120	struct lttng_ht channels; / Registered channels */
	121	struct lttng_ht_node_ulong node;
	122	char path[PATH_MAX];
	123	/* UID/GID of the user owning the session */
	124	uid_t uid;
	125	gid_t gid;
	126	struct cds_list_head teardown_node;
	127	};
	128
	129	/*
	130	* Registered traceable applications. Libust registers to the session daemon
	131	* and a linked list is kept of all running traceable app.
	132	*/
	133	struct ust_app {
	134	int sock;
	135	pid_t pid;
	136	pid_t ppid;
	137	uid_t uid; /* User ID that owns the apps */
	138	gid_t gid; /* Group ID that owns the apps */
	139	int bits_per_long;
	140	int compatible; /* If the lttng-ust tracer version does not match the
	141	supported version of the session daemon, this flag is
	142	set to 0 (NOT compatible) else 1. */
	143	struct lttng_ust_tracer_version version;
	144	uint32_t v_major; /* Verion major number */
	145	uint32_t v_minor; /* Verion minor number */
	146	char name[17]; /* Process name (short) */
	147	struct lttng_ht *sessions;
	148	struct lttng_ht_node_ulong pid_n;
	149	struct lttng_ht_node_ulong sock_n;
	150	/*
	151	* This is a list of ust app session that, once the app is going into
	152	* teardown mode, in the RCU call, each node in this list is removed and
	153	* deleted.
	154	*
	155	* Element of the list are added when an application unregisters after each
	156	* ht_del of ust_app_session associated to this app. This list is NOT used
	157	* when a session is destroyed.
	158	*/
	159	struct cds_list_head teardown_head;
	160	};
	161
	162	#ifdef HAVE_LIBLTTNG_UST_CTL
	163
	164	int ust_app_register(struct ust_register_msg *msg, int sock);
	165	static inline
	166	int ust_app_register_done(int sock)
	167	{
	168	return ustctl_register_done(sock);
	169	}
	170	void ust_app_unregister(int sock);
	171	unsigned long ust_app_list_count(void);
	172	int ust_app_start_trace(struct ltt_ust_session usess, struct ust_app app);
	173	int ust_app_stop_trace(struct ltt_ust_session usess, struct ust_app app);
	174	int ust_app_start_trace_all(struct ltt_ust_session *usess);
	175	int ust_app_stop_trace_all(struct ltt_ust_session *usess);
	176	int ust_app_destroy_trace_all(struct ltt_ust_session *usess);
	177	int ust_app_list_events(struct lttng_event **events);
	178	int ust_app_list_event_fields(struct lttng_event_field **fields);
	179	int ust_app_create_channel_glb(struct ltt_ust_session *usess,
	180	struct ltt_ust_channel *uchan);
	181	int ust_app_create_event_glb(struct ltt_ust_session *usess,
	182	struct ltt_ust_channel uchan, struct ltt_ust_event uevent);
	183	int ust_app_disable_event_pid(struct ltt_ust_session *usess,
	184	struct ltt_ust_channel uchan, struct ltt_ust_event uevent,
	185	pid_t pid);
	186	int ust_app_enable_event_pid(struct ltt_ust_session *usess,
	187	struct ltt_ust_channel uchan, struct ltt_ust_event uevent,
	188	pid_t pid);
	189	int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
	190	struct ltt_ust_channel *uchan);
	191	int ust_app_enable_channel_glb(struct ltt_ust_session *usess,
	192	struct ltt_ust_channel *uchan);
	193	int ust_app_enable_event_glb(struct ltt_ust_session *usess,
	194	struct ltt_ust_channel uchan, struct ltt_ust_event uevent);
	195	int ust_app_disable_all_event_glb(struct ltt_ust_session *usess,
	196	struct ltt_ust_channel *uchan);
	197	int ust_app_enable_all_event_glb(struct ltt_ust_session *usess,
	198	struct ltt_ust_channel *uchan);
	199	int ust_app_disable_event_glb(struct ltt_ust_session *usess,
	200	struct ltt_ust_channel uchan, struct ltt_ust_event uevent);
	201	int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess,
	202	struct ltt_ust_channel uchan, struct ltt_ust_context uctx);
	203	void ust_app_global_update(struct ltt_ust_session *usess, int sock);
	204
	205	void ust_app_clean_list(void);
	206	void ust_app_ht_alloc(void);
	207	struct lttng_ht *ust_app_get_ht(void);
	208	struct ust_app *ust_app_find_by_pid(pid_t pid);
	209	int ust_app_validate_version(int sock);
	210	int ust_app_calibrate_glb(struct lttng_ust_calibrate *calibrate);
	211
	212	#else /* HAVE_LIBLTTNG_UST_CTL */
	213
	214	static inline
	215	int ust_app_destroy_trace_all(struct ltt_ust_session *usess)
	216	{
	217	return 0;
	218	}
	219	static inline
	220	int ust_app_start_trace(struct ltt_ust_session usess, struct ust_app app)
	221	{
	222	return 0;
	223	}
	224	static inline
	225	int ust_app_start_trace_all(struct ltt_ust_session *usess)
	226	{
	227	return 0;
	228	}
	229	static inline
	230	int ust_app_stop_trace_all(struct ltt_ust_session *usess)
	231	{
	232	return 0;
	233	}
	234	static inline
	235	int ust_app_list_events(struct lttng_event **events)
	236	{
	237	return -ENOSYS;
	238	}
	239	static inline
	240	int ust_app_list_event_fields(struct lttng_event_field **fields)
	241	{
	242	return -ENOSYS;
	243	}
	244	static inline
	245	int ust_app_register(struct ust_register_msg *msg, int sock)
	246	{
	247	return -ENOSYS;
	248	}
	249	static inline
	250	int ust_app_register_done(int sock)
	251	{
	252	return -ENOSYS;
	253	}
	254	static inline
	255	void ust_app_unregister(int sock)
	256	{
	257	}
	258	static inline
	259	unsigned int ust_app_list_count(void)
	260	{
	261	return 0;
	262	}
	263	static inline
	264	void ust_app_lock_list(void)
	265	{
	266	}
	267	static inline
	268	void ust_app_unlock_list(void)
	269	{
	270	}
	271	static inline
	272	void ust_app_clean_list(void)
	273	{
	274	}
	275	static inline
	276	struct ust_app_list *ust_app_get_list(void)
	277	{
	278	return NULL;
	279	}
	280	static inline
	281	struct ust_app *ust_app_get_by_pid(pid_t pid)
	282	{
	283	return NULL;
	284	}
	285	static inline
	286	struct lttng_ht *ust_app_get_ht(void)
	287	{
	288	return NULL;
	289	}
	290	static inline
	291	void ust_app_ht_alloc(void)
	292	{}
	293	static inline
	294	void ust_app_global_update(struct ltt_ust_session *usess, int sock)
	295	{}
	296	static inline
	297	int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
	298	struct ltt_ust_channel *uchan)
	299	{
	300	return 0;
	301	}
	302	static inline
	303	int ust_app_enable_channel_glb(struct ltt_ust_session *usess,
	304	struct ltt_ust_channel *uchan)
	305	{
	306	return 0;
	307	}
	308	static inline
	309	int ust_app_create_channel_glb(struct ltt_ust_session *usess,
	310	struct ltt_ust_channel *uchan)
	311	{
	312	return 0;
	313	}
	314	static inline
	315	int ust_app_disable_all_event_glb(struct ltt_ust_session *usess,
	316	struct ltt_ust_channel *uchan)
	317	{
	318	return 0;
	319	}
	320	static inline
	321	int ust_app_enable_all_event_glb(struct ltt_ust_session *usess,
	322	struct ltt_ust_channel *uchan)
	323	{
	324	return 0;
	325	}
	326	static inline
	327	int ust_app_create_event_glb(struct ltt_ust_session *usess,
	328	struct ltt_ust_channel uchan, struct ltt_ust_event uevent)
	329	{
	330	return 0;
	331	}
	332	static inline
	333	int ust_app_disable_event_glb(struct ltt_ust_session *usess,
	334	struct ltt_ust_channel uchan, struct ltt_ust_event uevent)
	335	{
	336	return 0;
	337	}
	338	static inline
	339	int ust_app_enable_event_glb(struct ltt_ust_session *usess,
	340	struct ltt_ust_channel uchan, struct ltt_ust_event uevent)
	341	{
	342	return 0;
	343	}
	344	static inline
	345	int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess,
	346	struct ltt_ust_channel uchan, struct ltt_ust_context uctx)
	347	{
	348	return 0;
	349	}
	350	static inline
	351	int ust_app_enable_event_pid(struct ltt_ust_session *usess,
	352	struct ltt_ust_channel uchan, struct ltt_ust_event uevent,
	353	pid_t pid)
	354	{
	355	return 0;
	356	}
	357	static inline
	358	int ust_app_disable_event_pid(struct ltt_ust_session *usess,
	359	struct ltt_ust_channel uchan, struct ltt_ust_event uevent,
	360	pid_t pid)
	361	{
	362	return 0;
	363	}
	364	static inline
	365	int ust_app_validate_version(int sock)
	366	{
	367	return 0;
	368	}
	369	static inline
	370	int ust_app_calibrate_glb(struct lttng_ust_calibrate *calibrate)
	371	{
	372	return 0;
	373	}
	374
	375	#endif /* HAVE_LIBLTTNG_UST_CTL */
	376
	377	#endif /* _LTT_UST_APP_H */