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Published: Jan 9, 2022 License: Apache-2.0 Imports: 3 Imported by: 27


goroutine local storage

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Thanks for original idea

  • get current goroutine id
  • goroutine local storage

require go version >= 1.4


get the identifier unique for this goroutine

go func() {
go func() {

gls.Set / gls.Get

goroutine local storage is a map[interface{}]interface{} local to current goroutine

It is intended to be used by framworks to simplify context passing.

Use context.Context to pass context if possible.

gls.Set("user_id", "abc")

func doSomeThing() {
	gls.Get("user_id") // will be "abc"




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func DeleteGls

func DeleteGls(goid int64)

DeleteGls remove goroutine local storage for specified goroutine

func Get

func Get(key interface{}) interface{}

Get key from goroutine local storage

func GetGls

func GetGls(goid int64) map[interface{}]interface{}

GetGls get goroutine local storage for specified goroutine if the goroutine did not set gls, it will return nil

func GoID

func GoID() int64

GoID returns the goroutine id of current goroutine

func IsGlsEnabled

func IsGlsEnabled(goid int64) bool

IsGlsEnabled test if the gls is available for specified goroutine

func ResetGls

func ResetGls(goid int64, initialValue map[interface{}]interface{})

ResetGls reset the goroutine local storage for specified goroutine

func Set

func Set(key interface{}, value interface{})

Set key and element to goroutine local storage

func WithEmptyGls

func WithEmptyGls(f func()) func()

WithEmptyGls works like WithGls, but do not inherit gls from parent goroutine.

func WithGls

func WithGls(f func()) func()

WithGls setup and teardown the gls in the wrapper. go WithGls(func(){}) will add gls for the new goroutine. The gls will be removed once goroutine exit


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