On 14 October 2016, Bram Moolenaar <[email protected]> wrote:
>
> Ozaki Kiichi wrote:
>
> > Currently, vim checks ended-job every 10 second; thus exit_cb is delayed
> > 10 seconds at the maximum.
> >
> > I propose the following:
> >
> > https://gist.github.com/ichizok/fe9743f46822a9015ed2f7d65238c5db
> >
> > os_unix: check by waitpid(-1, _, WNOHANG).
> > os_win32: check by WaitForMultipleObjects(),
> > "the number of active jobs" / MAXIMUM_WAIT_OBJECTS (==64) times.
> >
> > They suppress the count of calling syscall to be nearly constant regardless
> > of the number of active jobs.
> >
> > # I set MAX_ENDED_JOB_COUNT (the maximum number of detections
> > # in job_check_ended()) to 8, but this may require consideration.
>
> Looks useful.
>
> The JOB_WAITED value does not have a clear meaning. It looks like we
> know the job has ended, but has not been cleaned up yet. Perhaps call
> it JOB_EXITED ?
On a side note: a Vim function job_wait() that would do a blocking
wait for a given job would be useful, too.
/lcd
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