mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-10-31 05:40:42 +00:00
22 lines
584 B
Go
22 lines
584 B
Go
// Copyright 2017 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// +build go1.7
|
|
|
|
package trace
|
|
|
|
import "context"
|
|
|
|
// NewContext returns a copy of the parent context
|
|
// and associates it with a Trace.
|
|
func NewContext(ctx context.Context, tr Trace) context.Context {
|
|
return context.WithValue(ctx, contextKey, tr)
|
|
}
|
|
|
|
// FromContext returns the Trace bound to the context, if any.
|
|
func FromContext(ctx context.Context) (tr Trace, ok bool) {
|
|
tr, ok = ctx.Value(contextKey).(Trace)
|
|
return
|
|
}
|