X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-events.h;h=78b427a317d18972e9cea252b62154fc11b66b4d;hb=edfdcb685c3f56dde803244449f79ad7bed03798;hp=fe6e284930153cc681bee9b46e466c3c5b54b4fb;hpb=a6cf40a4491954d6f81052f8bbce757f73727f16;p=lttng-modules.git

diff --git a/lttng-events.h b/lttng-events.h
index fe6e2849..78b427a3 100644
--- a/lttng-events.h
+++ b/lttng-events.h
@@ -489,19 +489,36 @@ struct lttng_dynamic_len_stack {
 DECLARE_PER_CPU(struct lttng_dynamic_len_stack, lttng_dynamic_len_stack);
 
 /*
- * struct lttng_pid_tracker declared in header due to deferencing of *v
+ * struct lttng_id_tracker declared in header due to deferencing of *v
  * in RCU_INITIALIZER(v).
  */
-#define LTTNG_PID_HASH_BITS	6
-#define LTTNG_PID_TABLE_SIZE	(1 << LTTNG_PID_HASH_BITS)
+#define LTTNG_ID_HASH_BITS	6
+#define LTTNG_ID_TABLE_SIZE	(1 << LTTNG_ID_HASH_BITS)
 
-struct lttng_pid_tracker {
-	struct hlist_head pid_hash[LTTNG_PID_TABLE_SIZE];
+enum tracker_type {
+	TRACKER_PID,
+	TRACKER_VPID,
+	TRACKER_UID,
+	TRACKER_VUID,
+	TRACKER_GID,
+	TRACKER_VGID,
+
+	TRACKER_UNKNOWN,
+};
+
+struct lttng_id_tracker_rcu {
+	struct hlist_head id_hash[LTTNG_ID_TABLE_SIZE];
 };
 
-struct lttng_pid_hash_node {
+struct lttng_id_tracker {
+	struct lttng_session *session;
+	enum tracker_type tracker_type;
+	struct lttng_id_tracker_rcu *p;	/* RCU dereferenced. */
+};
+
+struct lttng_id_hash_node {
 	struct hlist_node hlist;
-	int pid;
+	int id;
 };
 
 struct lttng_session {
@@ -514,7 +531,12 @@ struct lttng_session {
 	unsigned int free_chan_id;	/* Next chan ID to allocate */
 	uuid_le uuid;			/* Trace session unique ID */
 	struct lttng_metadata_cache *metadata_cache;
-	struct lttng_pid_tracker *pid_tracker;
+	struct lttng_id_tracker pid_tracker;
+	struct lttng_id_tracker vpid_tracker;
+	struct lttng_id_tracker uid_tracker;
+	struct lttng_id_tracker vuid_tracker;
+	struct lttng_id_tracker gid_tracker;
+	struct lttng_id_tracker vgid_tracker;
 	unsigned int metadata_dumped:1,
 		tstate:1;		/* Transient enable state */
 	/* List of enablers */
@@ -611,17 +633,20 @@ void lttng_probes_exit(void);
 int lttng_metadata_output_channel(struct lttng_metadata_stream *stream,
 		struct channel *chan);
 
-int lttng_pid_tracker_get_node_pid(const struct lttng_pid_hash_node *node);
-struct lttng_pid_tracker *lttng_pid_tracker_create(void);
-void lttng_pid_tracker_destroy(struct lttng_pid_tracker *lpf);
-bool lttng_pid_tracker_lookup(struct lttng_pid_tracker *lpf, int pid);
-int lttng_pid_tracker_add(struct lttng_pid_tracker *lpf, int pid);
-int lttng_pid_tracker_del(struct lttng_pid_tracker *lpf, int pid);
+int lttng_id_tracker_get_node_id(const struct lttng_id_hash_node *node);
+int lttng_id_tracker_empty_set(struct lttng_id_tracker *lf);
+void lttng_id_tracker_destroy(struct lttng_id_tracker *lf, bool rcu);
+bool lttng_id_tracker_lookup(struct lttng_id_tracker_rcu *p, int id);
+int lttng_id_tracker_add(struct lttng_id_tracker *lf, int id);
+int lttng_id_tracker_del(struct lttng_id_tracker *lf, int id);
 
-int lttng_session_track_pid(struct lttng_session *session, int pid);
-int lttng_session_untrack_pid(struct lttng_session *session, int pid);
+int lttng_session_track_id(struct lttng_session *session,
+		enum tracker_type tracker_type, int id);
+int lttng_session_untrack_id(struct lttng_session *session,
+		enum tracker_type tracker_type, int id);
 
-int lttng_session_list_tracker_pids(struct lttng_session *session);
+int lttng_session_list_tracker_ids(struct lttng_session *session,
+		enum tracker_type tracker_type);
 
 void lttng_clock_ref(void);
 void lttng_clock_unref(void);
@@ -796,6 +821,19 @@ int lttng_add_uts_ns_to_ctx(struct lttng_ctx **ctx)
 }
 #endif
 
+int lttng_add_uid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_euid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_suid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_gid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_egid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_sgid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_vuid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_veuid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_vsuid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_vgid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_vegid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_vsgid_to_ctx(struct lttng_ctx **ctx);
+
 #if defined(CONFIG_PERF_EVENTS)
 int lttng_add_perf_counter_to_ctx(uint32_t type,
 				  uint64_t config,