ACCUMULATOR_FIRST_RUN
Only used in #GSignalAccumulator accumulator functions for the #GSignalInvocationHint::run_type field to mark the first call to the accumulator function for a signal emission. Since 2.68.
Only used in #GSignalAccumulator accumulator functions for the #GSignalInvocationHint::run_type field to mark the first call to the accumulator function for a signal emission. Since 2.68.