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Implement UST PID tracker
[lttng-tools.git]
/
src
/
bin
/
lttng-sessiond
/
trace-ust.h
diff --git
a/src/bin/lttng-sessiond/trace-ust.h
b/src/bin/lttng-sessiond/trace-ust.h
index 63564ff71f296e3eed9c7ec7159c590db78cb076..ed1883c76bd4f831df56ed64cd259ee92be1c0cc 100644
(file)
--- a/
src/bin/lttng-sessiond/trace-ust.h
+++ b/
src/bin/lttng-sessiond/trace-ust.h
@@
-74,6
+74,14
@@
struct ltt_ust_domain_global {
struct cds_list_head registry_buffer_uid_list;
};
struct cds_list_head registry_buffer_uid_list;
};
+struct ust_pid_tracker_node {
+ struct lttng_ht_node_ulong node;
+};
+
+struct ust_pid_tracker {
+ struct lttng_ht *ht;
+};
+
/* UST session */
struct ltt_ust_session {
uint64_t id; /* Unique identifier of session */
/* UST session */
struct ltt_ust_session {
uint64_t id; /* Unique identifier of session */
@@
-117,7
+125,10
@@
struct ltt_ust_session {
/*
* Path where to keep the shared memory files.
*/
/*
* Path where to keep the shared memory files.
*/
+ char root_shm_path[PATH_MAX];
char shm_path[PATH_MAX];
char shm_path[PATH_MAX];
+
+ struct ust_pid_tracker pid_tracker;
};
/*
};
/*
@@
-190,6
+201,9
@@
void trace_ust_destroy_session(struct ltt_ust_session *session);
void trace_ust_destroy_channel(struct ltt_ust_channel *channel);
void trace_ust_destroy_event(struct ltt_ust_event *event);
void trace_ust_destroy_channel(struct ltt_ust_channel *channel);
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);
+
#else /* HAVE_LIBLTTNG_UST_CTL */
static inline int trace_ust_ht_match_event(struct cds_lfht_node *node,
#else /* HAVE_LIBLTTNG_UST_CTL */
static inline int trace_ust_ht_match_event(struct cds_lfht_node *node,
@@
-271,6
+285,16
@@
struct agent *trace_ust_find_agent(struct ltt_ust_session *session,
{
return NULL;
}
{
return NULL;
}
+static inline
+int trace_ust_track_pid(struct ltt_ust_session *session, int pid)
+{
+ return 0;
+}
+static inline
+int trace_ust_untrack_pid(struct ltt_ust_session *session, int pid)
+{
+ return 0;
+}
#endif /* HAVE_LIBLTTNG_UST_CTL */
#endif /* HAVE_LIBLTTNG_UST_CTL */
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