consumerd: refactor: split read_subbuf into sub-operations

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

diff --git a/src/common/kernel-consumer/kernel-consumer.h b/src/common/kernel-consumer/kernel-consumer.h
index a07f5218828536f0f1cb6b7e444785c078d9bd35..48c787a462424bd5740e8cfd66eaf5308b00eea3 100644 (file)
--- a/src/common/kernel-consumer/kernel-consumer.h
+++ b/src/common/kernel-consumer/kernel-consumer.h
@@ -1,35 +1,27 @@
 /*
- * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
- * Copyright (C) 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2011 Julien Desfossez <julien.desfossez@polymtl.ca>
+ * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2017 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 General Public License, version 2 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-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 General Public License for more details.
- *
- * You should have received a copy of the GNU 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_KCONSUMER_H
 #define _LTTNG_KCONSUMER_H
 
+#include <stdbool.h>
 #include <common/consumer/consumer.h>
 
 int lttng_kconsumer_take_snapshot(struct lttng_consumer_stream *stream);
+int lttng_kconsumer_sample_snapshot_positions(
+               struct lttng_consumer_stream *stream);
 int lttng_kconsumer_get_produced_snapshot(struct lttng_consumer_stream *stream,
         unsigned long *pos);
 int lttng_kconsumer_get_consumed_snapshot(struct lttng_consumer_stream *stream,
                unsigned long *pos);
 int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
                int sock, struct pollfd *consumer_sockpoll);
-ssize_t lttng_kconsumer_read_subbuffer(struct lttng_consumer_stream *stream,
-               struct lttng_consumer_local_data *ctx);
 int lttng_kconsumer_on_recv_stream(struct lttng_consumer_stream *stream);
 int lttng_kconsumer_data_pending(struct lttng_consumer_stream *stream);
 int lttng_kconsumer_sync_metadata(struct lttng_consumer_stream *metadata);