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

   1 /*
   2  * SPDX-License-Identifier: GPL-2.0-only
   3  *
   4  * Copyright (C) 2011 Julien Desfossez <julien.desfossez@polymtl.ca>
   5  * Copyright (C) 2011-2013 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   6  */
   7
   8 #ifndef _LTTNG_UST_CTL_PRIVATE_H
   9 #define _LTTNG_UST_CTL_PRIVATE_H
  10
  11 #include <lttng/ust-ctl.h>
  12
  13 /*
  14  * Map channel lttng_ust_shm_handle and add streams. Typically performed
  15  * by the application to map the objects into its memory space.
  16  */
  17 struct lttng_ust_shm_handle *
  18         ustctl_map_channel(struct lttng_ust_object_data *chan_data);
  19 int ustctl_add_stream(struct lttng_ust_shm_handle *lttng_ust_shm_handle,
  20                 struct lttng_ust_object_data *stream_data);
  21 /*
  22  * Note: the lttng_ust_object_data from which the lttng_ust_shm_handle
  23  * is derived can only be released after unmapping the handle.
  24  */
  25 void ustctl_unmap_channel(struct lttng_ust_shm_handle *lttng_ust_shm_handle);
  26
  27 #endif /* _LTTNG_UST_CTL_PRIVATE_H */