The stage the signal emission is currently in, this
field will contain one of %G_SIGNAL_RUN_FIRST,
%G_SIGNAL_RUN_LAST or %G_SIGNAL_RUN_CLEANUP and %G_SIGNAL_ACCUMULATOR_FIRST_RUN.
%G_SIGNAL_ACCUMULATOR_FIRST_RUN is only set for the first run of the accumulator
function for a signal emission.
The stage the signal emission is currently in, this field will contain one of %G_SIGNAL_RUN_FIRST, %G_SIGNAL_RUN_LAST or %G_SIGNAL_RUN_CLEANUP and %G_SIGNAL_ACCUMULATOR_FIRST_RUN. %G_SIGNAL_ACCUMULATOR_FIRST_RUN is only set for the first run of the accumulator function for a signal emission.