liblttng-ust-ctl/ust-ctl-private.h

   1 /*
   2  * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
   3  * Copyright (C) 2011-2013 - 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 as published by
   7  * the Free Software Foundation; version 2 of the License only.
   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_UST_CTL_PRIVATE_H
  20 #define _LTTNG_UST_CTL_PRIVATE_H
  21
  22 #include <lttng/ust-ctl.h>
  23
  24 /*
  25  * Map channel lttng_ust_shm_handle and add streams. Typically performed
  26  * by the application to map the objects into its memory space.
  27  */
  28 struct lttng_ust_shm_handle *
  29         ustctl_map_channel(struct lttng_ust_object_data *chan_data);
  30 int ustctl_add_stream(struct lttng_ust_shm_handle *lttng_ust_shm_handle,
  31                 struct lttng_ust_object_data *stream_data);
  32 /*
  33  * Note: the lttng_ust_object_data from which the lttng_ust_shm_handle
  34  * is derived can only be released after unmapping the handle.
  35  */
  36 void ustctl_unmap_channel(struct lttng_ust_shm_handle *lttng_ust_shm_handle);
  37
  38 #endif /* _LTTNG_UST_CTL_PRIVATE_H */