X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Ftrace-ust.h;h=b1b200f1d188d6e20b4c28c006bc178467cd5e9a;hb=e8fcabef14e1e2ce8d159c68c5585931df1216b4;hp=7d64269089d7a4f140754505c624dab74c3a6c8e;hpb=a5dfbb9db7ba31913657ed921006b13977b7b426;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/trace-ust.h b/src/bin/lttng-sessiond/trace-ust.h
index 7d6426908..b1b200f1d 100644
--- a/src/bin/lttng-sessiond/trace-ust.h
+++ b/src/bin/lttng-sessiond/trace-ust.h
@@ -27,9 +27,10 @@
 #include <common/defaults.h>
 
 #include "consumer.h"
-#include "agent.h"
 #include "ust-ctl.h"
 
+struct agent;
+
 struct ltt_ust_ht_key {
 	const char *name;
 	const struct lttng_filter_bytecode *filter;
@@ -50,14 +51,26 @@ struct ltt_ust_event {
 	struct lttng_ust_event attr;
 	struct lttng_ht_node_str node;
 	char *filter_expression;
-	struct lttng_ust_filter_bytecode *filter;
+	struct lttng_filter_bytecode *filter;
 	struct lttng_event_exclusion *exclusion;
+	/*
+	 * An internal event is an event which was created by the session daemon
+	 * through which, for example, events emitted in Agent domains are
+	 * "funelled". This is used to hide internal events from external
+	 * clients as they should never be modified by the external world.
+	 */
+	bool internal;
 };
 
 /* UST channel */
 struct ltt_ust_channel {
 	uint64_t id;	/* unique id per session. */
 	unsigned int enabled;
+	/*
+	 * A UST channel can be part of a userspace sub-domain such as JUL,
+	 * Log4j, Python.
+	 */
+	enum lttng_domain_type domain;
 	char name[LTTNG_UST_SYM_NAME_LEN];
 	struct lttng_ust_channel_attr attr;
 	struct lttng_ht *ctx;
@@ -181,11 +194,13 @@ struct agent *trace_ust_find_agent(struct ltt_ust_session *session,
  * Create functions malloc() the data structure.
  */
 struct ltt_ust_session *trace_ust_create_session(uint64_t session_id);
-struct ltt_ust_channel *trace_ust_create_channel(struct lttng_channel *attr);
+struct ltt_ust_channel *trace_ust_create_channel(struct lttng_channel *attr,
+		enum lttng_domain_type domain);
 struct ltt_ust_event *trace_ust_create_event(struct lttng_event *ev,
 		char *filter_expression,
 		struct lttng_filter_bytecode *filter,
-		struct lttng_event_exclusion *exclusion);
+		struct lttng_event_exclusion *exclusion,
+		bool internal_event);
 struct ltt_ust_context *trace_ust_create_context(
 		struct lttng_event_context *ctx);
 int trace_ust_match_context(struct ltt_ust_context *uctx,
@@ -204,6 +219,8 @@ void trace_ust_destroy_event(struct ltt_ust_event *event);
 int trace_ust_track_pid(struct ltt_ust_session *session, int pid);
 int trace_ust_untrack_pid(struct ltt_ust_session *session, int pid);
 
+int trace_ust_pid_tracker_lookup(struct ltt_ust_session *session, int pid);
+
 ssize_t trace_ust_list_tracker_pids(struct ltt_ust_session *session,
 		int32_t **_pids);
 
@@ -232,7 +249,8 @@ struct ltt_ust_session *trace_ust_create_session(unsigned int session_id)
 	return NULL;
 }
 static inline
-struct ltt_ust_channel *trace_ust_create_channel(struct lttng_channel *attr)
+struct ltt_ust_channel *trace_ust_create_channel(struct lttng_channel *attr,
+		enum lttng_domain_type domain)
 {
 	return NULL;
 }
@@ -240,7 +258,8 @@ static inline
 struct ltt_ust_event *trace_ust_create_event(struct lttng_event *ev,
 		const char *filter_expression,
 		struct lttng_filter_bytecode *filter,
-		struct lttng_event_exclusion *exclusion)
+		struct lttng_event_exclusion *exclusion,
+		bool internal_event)
 {
 	return NULL;
 }
@@ -298,6 +317,12 @@ int trace_ust_untrack_pid(struct ltt_ust_session *session, int pid)
 {
 	return 0;
 }
+static inline
+int trace_ust_pid_tracker_lookup(struct ltt_ust_session *session, int pid)
+{
+	return 0;
+}
+static inline
 ssize_t trace_ust_list_tracker_pids(struct ltt_ust_session *session,
 		int32_t **_pids)
 {