Implement event notifier group create

[lttng-modules.git] / include / lttng / events.h

diff --git a/include/lttng/events.h b/include/lttng/events.h
index 833a344a72d5f5f5367ba109b6da36ee7599d02b..1e84000d45f090589f7e82a3d447f88c806f26d8 100644 (file)
--- a/include/lttng/events.h
+++ b/include/lttng/events.h
@@ -369,7 +369,7 @@ struct lttng_enabler *lttng_event_enabler_as_enabler(
 
 struct lttng_channel_ops {
        struct channel *(*channel_create)(const char *name,
-                               struct lttng_channel *lttng_chan,
+                               void *priv,
                                void *buf_addr,
                                size_t subbuf_size, size_t num_subbuf,
                                unsigned int switch_timer_interval,
@@ -557,6 +557,16 @@ struct lttng_session {
        char creation_time[LTTNG_KERNEL_SESSION_CREATION_TIME_ISO8601_LEN];
 };
 
+struct lttng_event_notifier_group {
+       struct file *file;              /* File associated to event notifier group */
+       struct list_head node;          /* event notifier group list */
+       struct lttng_ctx *ctx;          /* Contexts for filters. */
+       struct lttng_channel_ops *ops;
+       struct lttng_transport *transport;
+       struct channel *chan;           /* Ring buffer channel for event notifier group. */
+       struct lib_ring_buffer *buf;    /* Ring buffer for event notifier group. */
+};
+
 struct lttng_metadata_cache {
        char *data;                     /* Metadata cache */
        unsigned int cache_alloc;       /* Metadata allocated size (bytes) */
@@ -592,6 +602,10 @@ int lttng_session_metadata_regenerate(struct lttng_session *session);
 int lttng_session_statedump(struct lttng_session *session);
 void metadata_cache_destroy(struct kref *kref);
 
+struct lttng_event_notifier_group *lttng_event_notifier_group_create(void);
+void lttng_event_notifier_group_destroy(
+               struct lttng_event_notifier_group *event_notifier_group);
+
 struct lttng_channel *lttng_channel_create(struct lttng_session *session,
                                       const char *transport_name,
                                       void *buf_addr,
@@ -637,8 +651,8 @@ void lttng_abi_compat_old_exit(void);
 
 int lttng_probe_register(struct lttng_probe_desc *desc);
 void lttng_probe_unregister(struct lttng_probe_desc *desc);
-const struct lttng_event_desc *lttng_event_get(const char *name);
-void lttng_event_put(const struct lttng_event_desc *desc);
+const struct lttng_event_desc *lttng_event_desc_get(const char *name);
+void lttng_event_desc_put(const struct lttng_event_desc *desc);
 int lttng_probes_init(void);
 void lttng_probes_exit(void);