src/common/kernel-consumer/kernel-consumer.h

   1 /*
   2  * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
   3  * Copyright (C) 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License, version 2 only,
   7  * as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #ifndef _LTTNG_KCONSUMER_H
  20 #define _LTTNG_KCONSUMER_H
  21
  22 #include <common/consumer.h>
  23
  24 int lttng_kconsumer_take_snapshot(struct lttng_consumer_stream *stream);
  25 int lttng_kconsumer_get_produced_snapshot(struct lttng_consumer_stream *stream,
  26         unsigned long *pos);
  27 int lttng_kconsumer_get_consumed_snapshot(struct lttng_consumer_stream *stream,
  28                 unsigned long *pos);
  29 int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
  30                 int sock, struct pollfd *consumer_sockpoll);
  31 ssize_t lttng_kconsumer_read_subbuffer(struct lttng_consumer_stream *stream,
  32                 struct lttng_consumer_local_data *ctx);
  33 int lttng_kconsumer_on_recv_stream(struct lttng_consumer_stream *stream);
  34 int lttng_kconsumer_data_pending(struct lttng_consumer_stream *stream);
  35 int lttng_kconsumer_sync_metadata(struct lttng_consumer_stream *metadata);
  36
  37 #endif /* _LTTNG_KCONSUMER_H */