}
BT_HIDDEN
-void _bt_event_common_freeze(struct bt_event_common *event)
+void _bt_event_common_set_is_frozen(struct bt_event_common *event,
+ bool is_frozen)
{
BT_ASSERT(event);
if (event->header_field) {
BT_LOGD_STR("Freezing event's header field.");
bt_field_common_set_is_frozen_recursive(
- event->header_field->field, true);
+ event->header_field->field, is_frozen);
}
if (event->stream_event_context_field) {
BT_LOGD_STR("Freezing event's stream event context field.");
bt_field_common_set_is_frozen_recursive(
- event->stream_event_context_field, true);
+ event->stream_event_context_field, is_frozen);
}
if (event->context_field) {
BT_LOGD_STR("Freezing event's context field.");
- bt_field_common_set_is_frozen_recursive(event->context_field, true);
+ bt_field_common_set_is_frozen_recursive(event->context_field,
+ is_frozen);
}
if (event->payload_field) {
BT_LOGD_STR("Freezing event's payload field.");
- bt_field_common_set_is_frozen_recursive(event->payload_field, true);
+ bt_field_common_set_is_frozen_recursive(event->payload_field,
+ is_frozen);
}
- event->frozen = 1;
+ event->frozen = is_frozen;
}
BT_HIDDEN
return event;
}
-BT_ASSERT_PRE_FUNC
-static inline
-void _bt_event_reset_dev_mode(struct bt_event *event)
-{
- GHashTableIter iter;
- gpointer key, value;
-
- BT_ASSERT(event);
-
- if (event->common.header_field) {
- bt_field_common_set_is_frozen_recursive(
- event->common.header_field->field, false);
- bt_field_common_reset_recursive(
- event->common.header_field->field);
- }
-
- if (event->common.stream_event_context_field) {
- bt_field_common_set_is_frozen_recursive(
- event->common.stream_event_context_field, false);
- bt_field_common_reset_recursive(
- event->common.stream_event_context_field);
- }
-
- if (event->common.context_field) {
- bt_field_common_set_is_frozen_recursive(
- event->common.context_field, false);
- bt_field_common_reset_recursive(event->common.context_field);
- }
-
- if (event->common.payload_field) {
- bt_field_common_set_is_frozen_recursive(
- event->common.payload_field, false);
- bt_field_common_reset_recursive(event->common.payload_field);
- }
-
- g_hash_table_iter_init(&iter, event->clock_values);
- while (g_hash_table_iter_next(&iter, &key, &value)) {
- struct bt_clock_value *clock_value = value;
-
- BT_ASSERT(clock_value);
- bt_clock_value_reset(clock_value);
- bt_clock_value_set_is_frozen(clock_value, false);
- }
-}
-
-#ifdef BT_DEV_MODE
-# define bt_event_reset_dev_mode _bt_event_reset_dev_mode
-#else
-# define bt_event_reset_dev_mode(_x)
-#endif
-
-static inline
-void bt_event_reset(struct bt_event *event)
-{
- BT_ASSERT(event);
- event->common.frozen = false;
- bt_event_reset_dev_mode(event);
- BT_PUT(event->packet);
-}
-
-BT_HIDDEN
-struct bt_event *bt_event_create(struct bt_event_class *event_class,
- struct bt_packet *packet)
-{
- int ret;
- struct bt_event *event = NULL;
-
- BT_ASSERT(event_class);
- event = bt_object_pool_create_object(&event_class->event_pool);
- if (!event) {
- BT_LIB_LOGE("Cannot allocate one event from event class's event pool: "
- "%![event-class-]+E", event_class);
- goto error;
- }
-
- if (!event->common.class) {
- event->common.class = bt_get(event_class);
- }
-
- BT_ASSERT(packet);
- ret = bt_event_set_packet(event, packet);
- if (ret) {
- BT_LIB_LOGE("Cannot set event's packet: "
- "%![event-]+e, %![packet-]+a", event, packet);
- goto error;
- }
-
- goto end;
-
-error:
- if (event) {
- bt_event_recycle(event);
- event = NULL;
- }
-
-end:
- return event;
-}
-
struct bt_event_class *bt_event_borrow_class(struct bt_event *event)
{
BT_ASSERT_PRE_NON_NULL(event, "Event");
}
BT_HIDDEN
-int bt_event_set_packet(struct bt_event *event, struct bt_packet *packet)
+void _bt_event_set_is_frozen(struct bt_event *event, bool is_frozen)
{
- BT_ASSERT_PRE_NON_NULL(event, "Event");
- BT_ASSERT_PRE_NON_NULL(packet, "Packet");
- BT_ASSERT_PRE_EVENT_COMMON_HOT(BT_TO_COMMON(event), "Event");
-
- /*
- * Make sure the new packet was created by this event's
- * stream, if it is set.
- */
- if (bt_event_borrow_stream(event)) {
- BT_ASSERT_PRE(packet->stream == bt_event_borrow_stream(event),
- "Packet's stream and event's stream differ: "
- "%![event-]+e, %![packet-]+a",
- event, packet);
- } else {
- BT_ASSERT_PRE(bt_event_class_borrow_stream_class(
- BT_FROM_COMMON(event->common.class)) ==
- BT_FROM_COMMON(packet->stream->common.stream_class),
- "Packet's stream class and event's stream class differ: "
- "%![event-]+e, %![packet-]+a",
- event, packet);
- }
-
- bt_get(packet);
- BT_MOVE(event->packet, packet);
- BT_LOGV("Set event's packet: event-addr=%p, "
- "event-class-name=\"%s\", event-class-id=%" PRId64 ", "
- "packet-addr=%p",
- event, bt_event_class_common_get_name(event->common.class),
- bt_event_class_common_get_id(event->common.class), packet);
- return 0;
-}
-
-BT_HIDDEN
-void _bt_event_freeze(struct bt_event *event)
-{
- _bt_event_common_freeze(BT_TO_COMMON(event));
+ bt_event_common_set_is_frozen(BT_TO_COMMON(event), is_frozen);
BT_LOGD_STR("Freezing event's packet.");
- bt_packet_freeze(event->packet);
-}
-
-BT_HIDDEN
-void bt_event_recycle(struct bt_event *event)
-{
- struct bt_event_class *event_class;
-
- BT_ASSERT(event);
- BT_LIB_LOGD("Recycling event: %!+e", event);
-
- /*
- * Those are the important ordered steps:
- *
- * 1. Reset the event object (put any permanent reference it
- * has, unfreeze it and its fields in developer mode, etc.),
- * but do NOT put its class's reference. This event class
- * contains the pool to which we're about to recycle this
- * event object, so we must guarantee its existence thanks
- * to this existing reference.
- *
- * 2. Move the event class reference to our `event_class`
- * variable so that we can set the event's class member
- * to NULL before recycling it. We CANNOT do this after
- * we put the event class reference because this bt_put()
- * could destroy the event class, also destroying its
- * event pool, thus also destroying our event object (this
- * would result in an invalid write access).
- *
- * 3. Recycle the event object.
- *
- * 4. Put our event class reference.
- */
- bt_event_reset(event);
- event_class = BT_FROM_COMMON(event->common.class);
- BT_ASSERT(event_class);
- event->common.class = NULL;
- bt_object_pool_recycle_object(&event_class->event_pool, event);
- bt_put(event_class);
+ bt_packet_set_is_frozen(event->packet, is_frozen);
}
int bt_event_move_header(struct bt_event *event,
projects / babeltrace.git / blobdiff