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ceph-csi/api/vendor/github.com/modern-go/concurrent
Niels de Vos ce603fb47e rebase: update to latest github.com/openshift/api version
Also vendor all dependencies.

Signed-off-by: Niels de Vos <ndevos@ibm.com>
2024-01-22 07:16:53 +00:00
..
.gitignore rebase: update to latest github.com/openshift/api version 2024-01-22 07:16:53 +00:00
.travis.yml rebase: update to latest github.com/openshift/api version 2024-01-22 07:16:53 +00:00
executor.go rebase: update to latest github.com/openshift/api version 2024-01-22 07:16:53 +00:00
go_above_19.go rebase: update to latest github.com/openshift/api version 2024-01-22 07:16:53 +00:00
go_below_19.go rebase: update to latest github.com/openshift/api version 2024-01-22 07:16:53 +00:00
LICENSE rebase: update to latest github.com/openshift/api version 2024-01-22 07:16:53 +00:00
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README.md rebase: update to latest github.com/openshift/api version 2024-01-22 07:16:53 +00:00
test.sh rebase: update to latest github.com/openshift/api version 2024-01-22 07:16:53 +00:00
unbounded_executor.go rebase: update to latest github.com/openshift/api version 2024-01-22 07:16:53 +00:00

concurrent

Sourcegraph GoDoc Build Status codecov rcard License

  • concurrent.Map: backport sync.Map for go below 1.9
  • concurrent.Executor: goroutine with explicit ownership and cancellable

concurrent.Map

because sync.Map is only available in go 1.9, we can use concurrent.Map to make code portable

m := concurrent.NewMap()
m.Store("hello", "world")
elem, found := m.Load("hello")
// elem will be "world"
// found will be true

concurrent.Executor

executor := concurrent.NewUnboundedExecutor()
executor.Go(func(ctx context.Context) {
    everyMillisecond := time.NewTicker(time.Millisecond)
    for {
        select {
        case <-ctx.Done():
            fmt.Println("goroutine exited")
            return
        case <-everyMillisecond.C:
            // do something
        }
    }
})
time.Sleep(time.Second)
executor.StopAndWaitForever()
fmt.Println("executor stopped")

attach goroutine to executor instance, so that we can

  • cancel it by stop the executor with Stop/StopAndWait/StopAndWaitForever
  • handle panic by callback: the default behavior will no longer crash your application