mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2025-01-06 09:42:19 +00:00
5b5cae693f
Events with just 1 argument fail before this change Former-commit-id: 69cbb51c56054208417e464dc6e46a94ccb3bbeb [formerly fbb03244929beb0ce8f9c607ce33d107e8319b89] Former-commit-id: 984154c1ba79f1fe8bf0106a604b2765ea312079
27 lines
511 B
Go
27 lines
511 B
Go
// +build !go1.4
|
|
|
|
package log
|
|
|
|
import (
|
|
"sync/atomic"
|
|
"unsafe"
|
|
)
|
|
|
|
// swapHandler wraps another handler that may be swapped out
|
|
// dynamically at runtime in a thread-safe fashion.
|
|
type swapHandler struct {
|
|
handler unsafe.Pointer
|
|
}
|
|
|
|
func (h *swapHandler) Log(r *Record) error {
|
|
return h.Get().Log(r)
|
|
}
|
|
|
|
func (h *swapHandler) Get() Handler {
|
|
return *(*Handler)(atomic.LoadPointer(&h.handler))
|
|
}
|
|
|
|
func (h *swapHandler) Swap(newHandler Handler) {
|
|
atomic.StorePointer(&h.handler, unsafe.Pointer(&newHandler))
|
|
}
|