X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fconsumer.h;h=d0cd8fd869e2b647581e02e163f75725365124f8;hb=e316aad5fbbe3782872083cb68dfdd58bccea811;hp=e307b18eab843cc029e4e462c5d5bbdc5b76ca87;hpb=fb3a43a9284f3300e9b66edc2f2c2d2767895423;p=lttng-tools.git

diff --git a/src/common/consumer.h b/src/common/consumer.h
index e307b18ea..d0cd8fd86 100644
--- a/src/common/consumer.h
+++ b/src/common/consumer.h
@@ -77,6 +77,12 @@ struct lttng_consumer_channel {
 	int key;
 	uint64_t max_sb_size; /* the subbuffer size for this channel */
 	int refcount; /* Number of streams referencing this channel */
+	/*
+	 * The number of streams to receive initially. Used to guarantee that we do
+	 * not destroy a channel before receiving all its associated streams.
+	 */
+	unsigned int nb_init_streams;
+
 	/* For UST */
 	int shm_fd;
 	int wait_fd;
@@ -332,9 +338,13 @@ extern struct lttng_consumer_stream *consumer_allocate_stream(
 		uid_t uid,
 		gid_t gid,
 		int net_index,
-		int metadata_flag);
+		int metadata_flag,
+		int *alloc_ret);
 extern int consumer_add_stream(struct lttng_consumer_stream *stream);
-extern void consumer_del_stream(struct lttng_consumer_stream *stream);
+extern void consumer_del_stream(struct lttng_consumer_stream *stream,
+		struct lttng_ht *ht);
+extern void consumer_del_metadata_stream(struct lttng_consumer_stream *stream,
+		struct lttng_ht *ht);
 extern void consumer_change_stream_state(int stream_key,
 		enum lttng_consumer_stream_state state);
 extern void consumer_del_channel(struct lttng_consumer_channel *channel);
@@ -342,17 +352,16 @@ extern struct lttng_consumer_channel *consumer_allocate_channel(
 		int channel_key,
 		int shm_fd, int wait_fd,
 		uint64_t mmap_len,
-		uint64_t max_sb_size);
+		uint64_t max_sb_size,
+		unsigned int nb_init_streams);
 int consumer_add_channel(struct lttng_consumer_channel *channel);
 
 /* lttng-relayd consumer command */
-int consumer_add_relayd(struct consumer_relayd_sock_pair *relayd);
 struct consumer_relayd_sock_pair *consumer_allocate_relayd_sock_pair(
 		int net_seq_idx);
 struct consumer_relayd_sock_pair *consumer_find_relayd(int key);
 int consumer_handle_stream_before_relayd(struct lttng_consumer_stream *stream,
 		size_t data_size);
-void consumer_destroy_relayd(struct consumer_relayd_sock_pair *relayd);
 
 extern struct lttng_consumer_local_data *lttng_consumer_create(
 		enum lttng_consumer_type type,
@@ -364,10 +373,12 @@ extern struct lttng_consumer_local_data *lttng_consumer_create(
 extern void lttng_consumer_destroy(struct lttng_consumer_local_data *ctx);
 extern ssize_t lttng_consumer_on_read_subbuffer_mmap(
 		struct lttng_consumer_local_data *ctx,
-		struct lttng_consumer_stream *stream, unsigned long len);
+		struct lttng_consumer_stream *stream, unsigned long len,
+		unsigned long padding);
 extern ssize_t lttng_consumer_on_read_subbuffer_splice(
 		struct lttng_consumer_local_data *ctx,
-		struct lttng_consumer_stream *stream, unsigned long len);
+		struct lttng_consumer_stream *stream, unsigned long len,
+		unsigned long padding);
 extern int lttng_consumer_take_snapshot(struct lttng_consumer_local_data *ctx,
 		struct lttng_consumer_stream *stream);
 extern int lttng_consumer_get_produced_snapshot(