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Docs: document the meaning of a ust app channel key set to 0
[lttng-tools.git]
/
src
/
bin
/
lttng-sessiond
/
ust-app.h
diff --git
a/src/bin/lttng-sessiond/ust-app.h
b/src/bin/lttng-sessiond/ust-app.h
index d02f353c856a985b7a97737a230f1b0f07946492..3cafbee4e0e72b5a3231cdc9cf1ce7cdc3f64c3a 100644
(file)
--- a/
src/bin/lttng-sessiond/ust-app.h
+++ b/
src/bin/lttng-sessiond/ust-app.h
@@
-134,7
+134,11
@@
struct ust_app_channel {
int handle;
/* Channel and streams were sent to the UST tracer. */
int is_sent;
int handle;
/* Channel and streams were sent to the UST tracer. */
int is_sent;
- /* Unique key used to identify the channel on the consumer side. */
+ /*
+ * Unique key used to identify the channel on the consumer side.
+ * 0 is a reserved 'invalid' value used to indicate that the consumer
+ * does not know about this channel (i.e. an error occured).
+ */
uint64_t key;
/* Id of the tracing channel set on creation. */
uint64_t tracing_channel_id;
uint64_t key;
/* Id of the tracing channel set on creation. */
uint64_t tracing_channel_id;
@@
-328,7
+332,6
@@
void ust_app_global_update_all(struct ltt_ust_session *usess);
void ust_app_clean_list(void);
int ust_app_ht_alloc(void);
struct ust_app *ust_app_find_by_pid(pid_t pid);
void ust_app_clean_list(void);
int ust_app_ht_alloc(void);
struct ust_app *ust_app_find_by_pid(pid_t pid);
-int ust_app_calibrate_glb(struct lttng_ust_calibrate *calibrate);
struct ust_app_stream *ust_app_alloc_stream(void);
int ust_app_recv_registration(int sock, struct ust_register_msg *msg);
int ust_app_recv_notify(int sock);
struct ust_app_stream *ust_app_alloc_stream(void);
int ust_app_recv_registration(int sock, struct ust_register_msg *msg);
int ust_app_recv_notify(int sock);
@@
-352,6
+355,7
@@
int ust_app_pid_get_channel_runtime_stats(struct ltt_ust_session *usess,
struct ltt_ust_channel *uchan,
struct consumer_output *consumer,
int overwrite, uint64_t *discarded, uint64_t *lost);
struct ltt_ust_channel *uchan,
struct consumer_output *consumer,
int overwrite, uint64_t *discarded, uint64_t *lost);
+int ust_app_regenerate_statedump_all(struct ltt_ust_session *usess);
static inline
int ust_app_supported(void)
static inline
int ust_app_supported(void)
@@
-496,11
+500,6
@@
int ust_app_enable_event_pid(struct ltt_ust_session *usess,
return 0;
}
static inline
return 0;
}
static inline
-int ust_app_calibrate_glb(struct lttng_ust_calibrate *calibrate)
-{
- return 0;
-}
-static inline
int ust_app_recv_registration(int sock, struct ust_register_msg *msg)
{
return 0;
int ust_app_recv_registration(int sock, struct ust_register_msg *msg)
{
return 0;
@@
-584,6
+583,12
@@
int ust_app_pid_get_channel_runtime_stats(struct ltt_ust_session *usess,
return 0;
}
return 0;
}
+static inline
+int ust_app_regenerate_statedump_all(struct ltt_ust_session *usess)
+{
+ return 0;
+}
+
#endif /* HAVE_LIBLTTNG_UST_CTL */
#endif /* _LTT_UST_APP_H */
#endif /* HAVE_LIBLTTNG_UST_CTL */
#endif /* _LTT_UST_APP_H */
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