#include <babeltrace/values.h>
#include <babeltrace/ctf-ir/stream-class.h>
#include <babeltrace/ctf-ir/stream.h>
+#include <babeltrace/ctf-ir/stream-internal.h>
#include <babeltrace/ctf-ir/packet.h>
+#include <babeltrace/ctf-ir/packet-internal.h>
#include <babeltrace/ctf-ir/fields.h>
#include <babeltrace/ctf-ir/fields-internal.h>
#include <babeltrace/ctf-ir/event-class-internal.h>
+#include <babeltrace/ctf-ir/clock-value-set-internal.h>
#include <babeltrace/ctf-ir/field-wrapper-internal.h>
#include <babeltrace/ctf-ir/validation-internal.h>
#include <babeltrace/object-internal.h>
struct bt_event {
struct bt_event_common common;
-
- /* Maps clock classes to bt_clock_value. */
- GHashTable *clock_values;
+ struct bt_clock_value_set cv_set;
struct bt_packet *packet;
};
int _bt_event_common_validate(struct bt_event_common *event);
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_HIDDEN
-void _bt_event_freeze(struct bt_event *event);
+void _bt_event_set_is_frozen(struct bt_event *event, bool is_frozen);
#ifdef BT_DEV_MODE
-# define bt_event_common_validate _bt_event_common_validate
-# define bt_event_common_freeze _bt_event_common_freeze
-# define bt_event_freeze _bt_event_freeze
+# define bt_event_common_validate _bt_event_common_validate
+# define bt_event_common_set_is_frozen _bt_event_common_set_is_frozen
+# define bt_event_set_is_frozen _bt_event_set_is_frozen
#else
-# define bt_event_common_validate(_event) 0
-# define bt_event_common_freeze(_event)
-# define bt_event_freeze(_event)
+# define bt_event_common_validate(_event) 0
+# define bt_event_common_set_is_frozen(_event, _is_frozen)
+# define bt_event_set_is_frozen(_event, _is_frozen)
#endif
#define BT_ASSERT_PRE_EVENT_COMMON_HOT(_event, _name) \
- BT_ASSERT_PRE_HOT((_event), (_name), ": +%!+_e", (_event))
+ BT_ASSERT_PRE_HOT((_event), (_name), ": %!+_e", (_event))
static inline
struct bt_event_class_common *bt_event_common_borrow_class(
int bt_event_common_initialize(struct bt_event_common *event,
struct bt_event_class_common *event_class,
struct bt_clock_class *init_expected_clock_class,
- bt_object_release_func release_func,
+ bool is_shared_with_parent, bt_object_release_func release_func,
bt_validation_flag_copy_field_type_func field_type_copy_func,
bool must_be_in_trace,
int (*map_clock_classes_func)(struct bt_stream_class_common *stream_class,
}
}
-BT_HIDDEN
-struct bt_event *bt_event_new(struct bt_event_class *event_class);
+BT_UNUSED
+static inline
+void _bt_event_reset_dev_mode(struct bt_event *event)
+{
+ BT_ASSERT(event);
-BT_HIDDEN
-struct bt_event *bt_event_create(struct bt_event_class *event_class,
- struct bt_packet *packet);
+ 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);
+ }
-BT_HIDDEN
-void bt_event_recycle(struct bt_event *event);
+ 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);
+ }
+}
+
+#ifdef BT_DEV_MODE
+# define bt_event_reset_dev_mode _bt_event_reset_dev_mode
+#else
+# define bt_event_reset_dev_mode(_x)
+#endif
BT_HIDDEN
void bt_event_destroy(struct bt_event *event);
+static inline
+void bt_event_reset(struct bt_event *event)
+{
+ BT_ASSERT(event);
+ bt_event_set_is_frozen(event, false);
+ bt_clock_value_set_reset(&event->cv_set);
+ bt_object_put_no_null_check(&event->packet->base);
+ event->packet = NULL;
+}
+
+static inline
+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_object_put_no_null_check(&event_class->common.base);
+}
+
+static inline
+void bt_event_set_packet(struct bt_event *event, struct bt_packet *packet)
+{
+ 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");
+ 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_ASSERT(!event->packet);
+ event->packet = packet;
+ bt_object_get_no_null_check_no_parent_check(&event->packet->base);
+ 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);
+}
+
+static inline
+struct bt_event *bt_event_create(struct bt_event_class *event_class,
+ struct bt_packet *packet)
+{
+ struct bt_event *event = NULL;
+
+ BT_ASSERT(event_class);
+ event = bt_object_pool_create_object(&event_class->event_pool);
+ if (unlikely(!event)) {
+ BT_LIB_LOGE("Cannot allocate one event from event class's event pool: "
+ "%![event-class-]+E", event_class);
+ goto end;
+ }
+
+ if (unlikely(!event->common.class)) {
+ event->common.class = BT_TO_COMMON(event_class);
+ bt_object_get_no_null_check(&event_class->common.base);
+ }
+
+ BT_ASSERT(packet);
+ bt_event_set_packet(event, packet);
+ goto end;
+
+end:
+ return event;
+}
+
BT_HIDDEN
-int bt_event_set_packet(struct bt_event *event, struct bt_packet *packet);
+struct bt_event *bt_event_new(struct bt_event_class *event_class);
#endif /* BABELTRACE_CTF_IR_EVENT_INTERNAL_H */
projects / babeltrace.git / blobdiff