include/babeltrace/trace-ir/stream-const.h

   1 #ifndef BABELTRACE_TRACE_IR_STREAM_CONST_H
   2 #define BABELTRACE_TRACE_IR_STREAM_CONST_H
   3
   4 /*
   5  * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
   6  * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a copy
   9  * of this software and associated documentation files (the "Software"), to deal
  10  * in the Software without restriction, including without limitation the rights
  11  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  12  * copies of the Software, and to permit persons to whom the Software is
  13  * furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included in
  16  * all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  23  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  24  * SOFTWARE.
  25  *
  26  * The Common Trace Format (CTF) Specification is available at
  27  * http://www.efficios.com/ctf
  28  */
  29
  30 #include <stdint.h>
  31
  32 #ifdef __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 struct bt_trace;
  37 struct bt_stream;
  38 struct bt_stream_class;
  39
  40 extern const struct bt_stream_class *bt_stream_borrow_class_const(
  41                 const struct bt_stream *stream);
  42
  43 extern const struct bt_trace *bt_stream_borrow_trace_const(
  44                 const struct bt_stream *stream);
  45
  46 extern const char *bt_stream_get_name(const struct bt_stream *stream);
  47
  48 extern uint64_t bt_stream_get_id(const struct bt_stream *stream);
  49
  50 extern void bt_stream_get_ref(const struct bt_stream *stream);
  51
  52 extern void bt_stream_put_ref(const struct bt_stream *stream);
  53
  54 #define BT_STREAM_PUT_REF_AND_RESET(_var)               \
  55         do {                                            \
  56                 bt_stream_put_ref(_var);                \
  57                 (_var) = NULL;                          \
  58         } while (0)
  59
  60 #define BT_STREAM_MOVE_REF(_var_dst, _var_src)          \
  61         do {                                            \
  62                 bt_stream_put_ref(_var_dst);            \
  63                 (_var_dst) = (_var_src);                \
  64                 (_var_src) = NULL;                      \
  65         } while (0)
  66
  67 #ifdef __cplusplus
  68 }
  69 #endif
  70
  71 #endif /* BABELTRACE_TRACE_IR_STREAM_CONST_H */