go-ethereum/log/handler_go119.go
Evgeny Danilenko e699254142
Use atomic pointer in go 1.19 (#446)
* use atomic pointer

* golang version

* golang version

* go1.19

* linters

* Bump golangci-lint

* linters

* linters

* linters after merge

* generic logger

* generic logger

* logger

* logger

* linters

* bump toml

* linters1

* linters

* linters

* linter

* linter

* linters

* linters

* linters
2022-08-09 22:11:09 +03:00

27 lines
536 B
Go

//+go:build go1.19
package log
import "sync/atomic"
// swapHandler wraps another handler that may be swapped out
// dynamically at runtime in a thread-safe fashion.
type swapHandler struct {
handler atomic.Pointer[Handler]
}
func (h *swapHandler) Log(r *Record) error {
return (*h.handler.Load()).Log(r)
}
func (h *swapHandler) Swap(newHandler Handler) {
h.handler.Store(&newHandler)
}
func (h *swapHandler) Get() Handler {
return *h.handler.Load()
}
func (h *swapHandler) Level() Lvl {
return (*h.handler.Load()).Level()
}