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author | OpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com> | 2019-01-11 02:25:41 -0800 |
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committer | GitHub <noreply@github.com> | 2019-01-11 02:25:41 -0800 |
commit | 26f2b7debde313af4a5ae39727c66a3f8fd59be4 (patch) | |
tree | 1ab2968feabc60768ac04c7f832ddfb93f97e3ad /vendor/github.com/modern-go/concurrent/README.md | |
parent | 36d96c19f947aeac2675afe64a3b482e54f9e4c4 (diff) | |
parent | 3966d3bf4e6be2975c330af64ce6ba86b4eeabe0 (diff) | |
download | podman-26f2b7debde313af4a5ae39727c66a3f8fd59be4.tar.gz podman-26f2b7debde313af4a5ae39727c66a3f8fd59be4.tar.bz2 podman-26f2b7debde313af4a5ae39727c66a3f8fd59be4.zip |
Merge pull request #2105 from mheon/jsoniter
Use jsoniter instead of easyjson
Diffstat (limited to 'vendor/github.com/modern-go/concurrent/README.md')
-rw-r--r-- | vendor/github.com/modern-go/concurrent/README.md | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/vendor/github.com/modern-go/concurrent/README.md b/vendor/github.com/modern-go/concurrent/README.md new file mode 100644 index 000000000..acab3200a --- /dev/null +++ b/vendor/github.com/modern-go/concurrent/README.md @@ -0,0 +1,49 @@ +# concurrent + +[](https://sourcegraph.com/github.com/modern-go/concurrent?badge) +[](http://godoc.org/github.com/modern-go/concurrent) +[](https://travis-ci.org/modern-go/concurrent) +[](https://codecov.io/gh/modern-go/concurrent) +[](https://goreportcard.com/report/github.com/modern-go/concurrent) +[](https://raw.githubusercontent.com/modern-go/concurrent/master/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 + +```go +m := concurrent.NewMap() +m.Store("hello", "world") +elem, found := m.Load("hello") +// elem will be "world" +// found will be true +``` + +# concurrent.Executor + +```go +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
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