align.h: Implement ALIGN_FLOOR macro

[lttng-tools.git] / src / common / trace-chunk.h

diff --git a/src/common/trace-chunk.h b/src/common/trace-chunk.h
index 8703d00444df7837069fdc54dc7fb68926456bf5..fcacb01ff80070d07f09e473a00693863243bc2f 100644 (file)
--- a/src/common/trace-chunk.h
+++ b/src/common/trace-chunk.h
@@ -83,6 +83,15 @@ struct lttng_trace_chunk *lttng_trace_chunk_create(
                uint64_t chunk_id,
                time_t chunk_creation_time);
 
+/*
+ * Copy a trace chunk. The copy that is returned is always a _user_
+ * mode chunk even if the source chunk was an _owner_ as there can never be
+ * two _owners_ of the same trace output.
+ */
+LTTNG_HIDDEN
+struct lttng_trace_chunk *lttng_trace_chunk_copy(
+               struct lttng_trace_chunk *source_chunk);
+
 LTTNG_HIDDEN
 enum lttng_trace_chunk_status lttng_trace_chunk_get_id(
                struct lttng_trace_chunk *chunk, uint64_t *id);
@@ -122,20 +131,18 @@ LTTNG_HIDDEN
 enum lttng_trace_chunk_status lttng_trace_chunk_set_credentials_current_user(
                struct lttng_trace_chunk *chunk);
 
-/* session_output_directory ownership is transferred to the chunk on success. */
 LTTNG_HIDDEN
 enum lttng_trace_chunk_status lttng_trace_chunk_set_as_owner(
                struct lttng_trace_chunk *chunk,
                struct lttng_directory_handle *session_output_directory);
 
-/* chunk_output_directory ownership is transferred to the chunk on success. */
 LTTNG_HIDDEN
 enum lttng_trace_chunk_status lttng_trace_chunk_set_as_user(
                struct lttng_trace_chunk *chunk,
                struct lttng_directory_handle *chunk_directory);
 
 LTTNG_HIDDEN
-enum lttng_trace_chunk_status lttng_trace_chunk_get_chunk_directory_handle(
+enum lttng_trace_chunk_status lttng_trace_chunk_borrow_chunk_directory_handle(
                struct lttng_trace_chunk *chunk,
                const struct lttng_directory_handle **handle);