port: FreeBSD has no ENODATA, alias it to ENOATTR

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

diff --git a/src/common/ust-consumer/ust-consumer.h b/src/common/ust-consumer/ust-consumer.h
index 67b5bb51142a46bf79765440acb7bc371b3d0f6f..bd32337002dc826adf5a6c12262983cf02b30a51 100644 (file)
--- a/src/common/ust-consumer/ust-consumer.h
+++ b/src/common/ust-consumer/ust-consumer.h
@@ -1,31 +1,23 @@
 /*
- * 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>
  *
- * 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_USTCONSUMER_H
 #define _LTTNG_USTCONSUMER_H
 
-#include <errno.h>
-
+#include <common/compat/errno.h>
 #include <common/consumer/consumer.h>
+#include <stdbool.h>
 
 #ifdef HAVE_LIBLTTNG_UST_CTL
 
 int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream);
+int lttng_ustconsumer_sample_snapshot_positions(
+               struct lttng_consumer_stream *stream);
 
 int lttng_ustconsumer_get_produced_snapshot(
                struct lttng_consumer_stream *stream, unsigned long *pos);
@@ -47,9 +39,8 @@ int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream);
 
 void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream);
 
-int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream,
-               unsigned long *off);
-void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream);
+void lttng_ustctl_flush_buffer(struct lttng_consumer_stream *stream,
+               int producer_active);
 int lttng_ustconsumer_get_stream_id(struct lttng_consumer_stream *stream,
                uint64_t *stream_id);
 int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream);
@@ -61,10 +52,12 @@ int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset,
                struct lttng_consumer_channel *channel, int timer, int wait);
 int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx,
                struct lttng_consumer_channel *channel, int timer, int wait);
-int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx,
+enum sync_metadata_status lttng_ustconsumer_sync_metadata(
+               struct lttng_consumer_local_data *ctx,
                struct lttng_consumer_stream *metadata);
 void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream,
                int producer);
+void lttng_ustconsumer_clear_buffer(struct lttng_consumer_stream *stream);
 int lttng_ustconsumer_get_current_timestamp(
                struct lttng_consumer_stream *stream, uint64_t *ts);
 int lttng_ustconsumer_get_sequence_number(
@@ -96,6 +89,13 @@ int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream)
        return -ENOSYS;
 }
 
+static inline
+int lttng_ustconsumer_sample_snapshot_positions(
+               struct lttng_consumer_stream *stream)
+{
+       return -ENOSYS;
+}
+
 static inline
 int lttng_ustconsumer_get_produced_snapshot(
                struct lttng_consumer_stream *stream, unsigned long *pos)
@@ -103,6 +103,13 @@ int lttng_ustconsumer_get_produced_snapshot(
        return -ENOSYS;
 }
 
+static inline
+int lttng_ustconsumer_get_consumed_snapshot(
+               struct lttng_consumer_stream *stream, unsigned long *pos)
+{
+       return -ENOSYS;
+}
+
 static inline
 int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
                int sock, struct pollfd *consumer_sockpoll)
@@ -172,6 +179,11 @@ void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream)
        return NULL;
 }
 static inline
+void lttng_ustctl_flush_buffer(struct lttng_consumer_stream *stream,
+               int producer_active)
+{
+}
+static inline
 void lttng_ustconsumer_close_all_metadata(struct lttng_ht *ht)
 {
 }
@@ -197,10 +209,10 @@ int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx,
        return -ENOSYS;
 }
 static inline
-int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx,
+enum sync_metadata_status lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx,
                struct lttng_consumer_stream *metadata)
 {
-       return -ENOSYS;
+       return SYNC_METADATA_STATUS_ERROR;
 }
 static inline
 void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream,
@@ -208,6 +220,10 @@ void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream,
 {
 }
 static inline
+void lttng_ustconsumer_clear_buffer(struct lttng_consumer_stream *stream)
+{
+}
+static inline
 int lttng_ustconsumer_get_current_timestamp(
                struct lttng_consumer_stream *stream, uint64_t *ts)
 {