Restart the io_context
in preparation for a subsequent run()
invocation.
void restart();
This function must be called prior to any second or later set of invocations
of the run()
, run_one()
, poll()
or poll_one()
functions when a previous invocation of these
functions returned due to the io_context
being stopped or running out of work. After a call to restart()
,
the io_context
object's stopped()
function will return false
.
This function must not be called while there are any unfinished calls to
the run()
, run_one()
, poll()
or
poll_one()
functions.