context/derive.go
func OnClosedContext(p goprocess.Process) context.Context {
	return &procContext{
		done:  p.Closed(),
		which: closed,
	}
}
func OnClosedContext(p goprocess.Process) context.Context {
	return &procContext{
		done:  p.Closed(),
		which: closed,
	}
}
func OnClosedContext ( p goprocess . Process ) context . Context { return & procContext { done : p . Closed ( ) , which : closed , } }
// OnClosedContext derives a context from a given goprocess that will
// be 'Done' when the process is closed
OnClosedContext derives a context from a given goprocess that will be Done when the process is closed