src/bin/lttng-sessiond/channel.h

   1 /*
   2  * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License, version 2 only,
   6  * as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  16  */
  17
  18 #ifndef _LTT_CHANNEL_H
  19 #define _LTT_CHANNEL_H
  20
  21 #include <lttng/lttng.h>
  22
  23 #include "trace-kernel.h"
  24 #include "trace-ust.h"
  25
  26 int channel_kernel_disable(struct ltt_kernel_session *ksession,
  27                 char *channel_name);
  28 int channel_kernel_enable(struct ltt_kernel_session *ksession,
  29                 struct ltt_kernel_channel *kchan);
  30 int channel_kernel_create(struct ltt_kernel_session *ksession,
  31                 struct lttng_channel *chan, int kernel_pipe);
  32
  33 struct lttng_channel *channel_new_default_attr(int domain,
  34                 enum lttng_buffer_type type);
  35 void channel_attr_destroy(struct lttng_channel *channel);
  36
  37 int channel_ust_create(struct ltt_ust_session *usess,
  38                 struct lttng_channel *attr, enum lttng_buffer_type type);
  39 int channel_ust_enable(struct ltt_ust_session *usess,
  40                 struct ltt_ust_channel *uchan);
  41 int channel_ust_disable(struct ltt_ust_session *usess,
  42                 struct ltt_ust_channel *uchan);
  43
  44 #endif /* _LTT_CHANNEL_H */