Fix: consumerd: NULL pointer dereference during metadata sync

[lttng-tools.git] / src / common / consumer / consumer-stream.h

diff --git a/src/common/consumer/consumer-stream.h b/src/common/consumer/consumer-stream.h
index c5fb09732d7a94f065480b01bedd4f683e0daf39..5f3a34e3ee26063b4305c41a7f1086c033ecaf05 100644 (file)
--- a/src/common/consumer/consumer-stream.h
+++ b/src/common/consumer/consumer-stream.h
@@ -77,4 +77,30 @@ int consumer_stream_write_index(struct lttng_consumer_stream *stream,
 int consumer_stream_sync_metadata(struct lttng_consumer_local_data *ctx,
                uint64_t session_id);
 
+/*
+ * Create the output files of a local stream.
+ *
+ * This must be called with the channel's and the stream's lock held.
+ */
+int consumer_stream_create_output_files(struct lttng_consumer_stream *stream,
+               bool create_index);
+
+/*
+ * Rotate the output files of a local stream. This will change the
+ * active output files of both the binary and index in accordance
+ * with the stream's configuration (stream file count).
+ *
+ * This must be called with the channel's and the stream's lock held.
+ */
+int consumer_stream_rotate_output_files(struct lttng_consumer_stream *stream);
+
+/*
+ * Indicates whether or not a stream is logically deleted. A deleted stream
+ * should no longer be used; its existence is only garanteed by the RCU lock
+ * held by the caller.
+ *
+ * This function must be called with the RCU read side lock held.
+ */
+bool consumer_stream_is_deleted(struct lttng_consumer_stream *stream);
+
 #endif /* LTTNG_CONSUMER_STREAM_H */