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

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