X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fcommon%2Ftrace-chunk.h;h=b90daf8ae823798c9ff8ae3b439afd73c674fed2;hb=3ff5c5db220d92baf64280ba54713fcafe76142e;hp=474e9e000d2caf671eb3578fac1ca6edc3ac3041;hpb=bbc4768c20f1c552222e1746f9475d145d7bf04e;p=lttng-tools.git

diff --git a/src/common/trace-chunk.h b/src/common/trace-chunk.h
index 474e9e000..b90daf8ae 100644
--- a/src/common/trace-chunk.h
+++ b/src/common/trace-chunk.h
@@ -68,6 +68,7 @@ enum lttng_trace_chunk_status {
 	LTTNG_TRACE_CHUNK_STATUS_INVALID_ARGUMENT,
 	LTTNG_TRACE_CHUNK_STATUS_INVALID_OPERATION,
 	LTTNG_TRACE_CHUNK_STATUS_ERROR,
+	LTTNG_TRACE_CHUNK_STATUS_NO_FILE,
 };
 
 enum lttng_trace_chunk_command_type {
@@ -83,6 +84,15 @@ 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);
@@ -102,7 +112,7 @@ enum lttng_trace_chunk_status lttng_trace_chunk_set_close_timestamp(
 LTTNG_HIDDEN
 enum lttng_trace_chunk_status lttng_trace_chunk_get_name(
 		struct lttng_trace_chunk *chunk, const char **name,
-		bool *name_overriden);
+		bool *name_overridden);
 
 LTTNG_HIDDEN
 enum lttng_trace_chunk_status lttng_trace_chunk_override_name(
@@ -122,20 +132,18 @@ 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);
 
@@ -147,7 +155,7 @@ enum lttng_trace_chunk_status lttng_trace_chunk_create_subdirectory(
 LTTNG_HIDDEN
 enum lttng_trace_chunk_status lttng_trace_chunk_open_file(
 		struct lttng_trace_chunk *chunk, const char *filename,
-		int flags, mode_t mode, int *out_fd);
+		int flags, mode_t mode, int *out_fd, bool expect_no_file);
 
 LTTNG_HIDDEN
 int lttng_trace_chunk_unlink_file(struct lttng_trace_chunk *chunk,