/*
- * Copyright (C) 2019 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (C) 2019 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: LGPL-2.1-only
*
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef LTTNG_TRACE_CHUNK_REGISTRY_H
const struct lttng_trace_chunk_registry *registry,
uint64_t session_id, uint64_t chunk_id);
+/*
+ * Query the existence of a trace chunk by session_id and chunk_id.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+LTTNG_HIDDEN
+int lttng_trace_chunk_registry_chunk_exists(
+ const struct lttng_trace_chunk_registry *registry,
+ uint64_t session_id, uint64_t chunk_id, bool *chunk_exists);
+
/*
* Look-up an anonymous trace chunk by session_id.
* A reference is acquired on behalf of the caller.
LTTNG_HIDDEN
unsigned int lttng_trace_chunk_registry_put_each_chunk(
- struct lttng_trace_chunk_registry *registry);
+ const struct lttng_trace_chunk_registry *registry);
#endif /* LTTNG_TRACE_CHUNK_REGISTRY_H */