include/babeltrace/ctf-ir/clock-value.h

   1 #ifndef BABELTRACE_CTF_IR_CLOCK_VALUE_H
   2 #define BABELTRACE_CTF_IR_CLOCK_VALUE_H
   3
   4 /*
   5  * BabelTrace - CTF IR: Clock class
   6  *
   7  * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   8  * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
   9  *
  10  * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
  11  *
  12  * Permission is hereby granted, free of charge, to any person obtaining a copy
  13  * of this software and associated documentation files (the "Software"), to deal
  14  * in the Software without restriction, including without limitation the rights
  15  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  16  * copies of the Software, and to permit persons to whom the Software is
  17  * furnished to do so, subject to the following conditions:
  18  *
  19  * The above copyright notice and this permission notice shall be included in
  20  * all copies or substantial portions of the Software.
  21  *
  22  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  23  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  25  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  26  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  27  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  28  * SOFTWARE.
  29  *
  30  * The Common Trace Format (CTF) Specification is available at
  31  * http://www.efficios.com/ctf
  32  */
  33
  34 /* For bt_get() */
  35 #include <babeltrace/ref.h>
  36
  37 #include <stdint.h>
  38
  39 #ifdef __cplusplus
  40 extern "C" {
  41 #endif
  42
  43 struct bt_clock_class;
  44 struct bt_clock_value;
  45
  46 extern struct bt_clock_class *bt_clock_value_borrow_class(
  47                 struct bt_clock_value *clock_value);
  48
  49 static inline
  50 struct bt_clock_class *bt_clock_value_get_class(
  51                 struct bt_clock_value *clock_value)
  52 {
  53         return bt_get(bt_clock_value_borrow_class(clock_value));
  54 }
  55
  56 extern int bt_clock_value_set_value(
  57                 struct bt_clock_value *clock_value, uint64_t raw_value);
  58 extern int bt_clock_value_get_value(
  59                 struct bt_clock_value *clock_value, uint64_t *raw_value);
  60 extern int bt_clock_value_get_value_ns_from_epoch(
  61                 struct bt_clock_value *clock_value, int64_t *value_ns);
  62
  63 #ifdef __cplusplus
  64 }
  65 #endif
  66
  67 #endif /* BABELTRACE_CTF_IR_CLOCK_VALUE_H */