src/lib/trace-ir/stream-class.h

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
   5  * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   6  */
   7
   8 #ifndef BABELTRACE_TRACE_IR_STREAM_CLASS_INTERNAL_H
   9 #define BABELTRACE_TRACE_IR_STREAM_CLASS_INTERNAL_H
  10
  11 #include "common/assert.h"
  12 #include <babeltrace2/trace-ir/stream-class.h>
  13 #include "lib/object.h"
  14 #include "lib/object-pool.h"
  15 #include <glib.h>
  16 #include <stdbool.h>
  17
  18 #include "field-class.h"
  19
  20 struct bt_stream_class {
  21         struct bt_object base;
  22
  23         /* Owned by this */
  24         struct bt_value *user_attributes;
  25
  26         gchar *name;
  27
  28         uint64_t id;
  29         bool assigns_automatic_event_class_id;
  30         bool assigns_automatic_stream_id;
  31         bool supports_packets;
  32         bool packets_have_beginning_default_clock_snapshot;
  33         bool packets_have_end_default_clock_snapshot;
  34         bool supports_discarded_events;
  35         bool supports_discarded_packets;
  36         bool discarded_events_have_default_clock_snapshots;
  37         bool discarded_packets_have_default_clock_snapshots;
  38         struct bt_field_class *packet_context_fc;
  39         struct bt_field_class *event_common_context_fc;
  40         struct bt_clock_class *default_clock_class;
  41
  42         /* Array of `struct bt_event_class *` */
  43         GPtrArray *event_classes;
  44
  45         /* Pool of `struct bt_field_wrapper *` */
  46         struct bt_object_pool packet_context_field_pool;
  47
  48         bool frozen;
  49 };
  50
  51 void _bt_stream_class_freeze(const struct bt_stream_class *stream_class);
  52
  53 #ifdef BT_DEV_MODE
  54 # define bt_stream_class_freeze         _bt_stream_class_freeze
  55 #else
  56 # define bt_stream_class_freeze(_sc)
  57 #endif
  58
  59 static inline
  60 struct bt_trace_class *bt_stream_class_borrow_trace_class_inline(
  61                 const struct bt_stream_class *stream_class)
  62 {
  63         BT_ASSERT_DBG(stream_class);
  64         return (void *) bt_object_borrow_parent(&stream_class->base);
  65 }
  66
  67 #endif /* BABELTRACE_TRACE_IR_STREAM_CLASS_INTERNAL_H */