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         struct {
  27                 GString *str;
  28
  29                 /* NULL or `str->str` above */
  30                 const char *value;
  31         } name;
  32
  33         uint64_t id;
  34         bool assigns_automatic_event_class_id;
  35         bool assigns_automatic_stream_id;
  36         bool supports_packets;
  37         bool packets_have_beginning_default_clock_snapshot;
  38         bool packets_have_end_default_clock_snapshot;
  39         bool supports_discarded_events;
  40         bool supports_discarded_packets;
  41         bool discarded_events_have_default_clock_snapshots;
  42         bool discarded_packets_have_default_clock_snapshots;
  43         struct bt_field_class *packet_context_fc;
  44         struct bt_field_class *event_common_context_fc;
  45         struct bt_clock_class *default_clock_class;
  46
  47         /* Array of `struct bt_event_class *` */
  48         GPtrArray *event_classes;
  49
  50         /* Pool of `struct bt_field_wrapper *` */
  51         struct bt_object_pool packet_context_field_pool;
  52
  53         bool frozen;
  54 };
  55
  56 void _bt_stream_class_freeze(const struct bt_stream_class *stream_class);
  57
  58 #ifdef BT_DEV_MODE
  59 # define bt_stream_class_freeze         _bt_stream_class_freeze
  60 #else
  61 # define bt_stream_class_freeze(_sc)
  62 #endif
  63
  64 static inline
  65 struct bt_trace_class *bt_stream_class_borrow_trace_class_inline(
  66                 const struct bt_stream_class *stream_class)
  67 {
  68         BT_ASSERT_DBG(stream_class);
  69         return (void *) bt_object_borrow_parent(&stream_class->base);
  70 }
  71
  72 #endif /* BABELTRACE_TRACE_IR_STREAM_CLASS_INTERNAL_H */