On Thu, Feb 21, 2019 at 11:42 PM Serhat Şevki Dinçer <jfcga...@gmail.com> wrote:
>
> Another use case is wait groups with Max number of goroutines allowed:
>
> ch:= make(chan bool, 10)
>
> func waiter() {
> ch <-true
> go worker()
>
> // when empty, all jobs are finished
> waitempty(ch)
> }
>
> func worker() {
> // do work
>
> Select {
> ch <- true:
> go worker() // try to handover some jobs
> default:
> // max goroutine limit
> // do them yourself
> }
>
> // do remaining jobs
>
> // make way
> <- ch
> return
> }
This code will divide the job to n+1 pieces: n the channel size, and
when that's full, one more goroutine that's running the worker(). Same
can be done with a condition variable and a waitgroup.
>
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