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internal, log: remove code for old unsupported go-versions (#28090)

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Martin Holst Swende 2023-09-13 07:42:32 +02:00 committed by GitHub
parent 766272ff8c
commit 43df612268
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 19 additions and 114 deletions
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3
internal/debug/loudpanic.go
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@ -14,9 +14,6 @@
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
//go:build go1.6
// +build go1.6
package debug
import "runtime/debug"

25
internal/debug/loudpanic_fallback.go
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@ -1,25 +0,0 @@
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
//go:build !go1.6
// +build !go1.6
package debug
// LoudPanic panics in a way that gets all goroutine stacks printed on stderr.
func LoudPanic(x interface{}) {
panic(x)
}

3
internal/debug/trace.go
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@ -14,9 +14,6 @@
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
//go:build go1.5
// +build go1.5
package debug
import (

32
internal/debug/trace_fallback.go
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@ -1,32 +0,0 @@
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
//go:build !go1.5
// +build !go1.5
// no-op implementation of tracing methods for Go < 1.5.
package debug
import "errors"
func (*HandlerT) StartGoTrace(string) error {
return errors.New("tracing is not supported on Go < 1.5")
}
func (*HandlerT) StopGoTrace() error {
return errors.New("tracing is not supported on Go < 1.5")
}

19
log/handler.go
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@ -7,6 +7,7 @@ import (
"os"
"reflect"
"sync"
"sync/atomic"
"github.com/go-stack/stack"
)
@ -354,3 +355,21 @@ func (m muster) FileHandler(path string, fmtr Format) Handler {
func (m muster) NetHandler(network, addr string, fmtr Format) Handler {
return must(NetHandler(network, addr, fmtr))
}
// swapHandler wraps another handler that may be swapped out
// dynamically at runtime in a thread-safe fashion.
type swapHandler struct {
handler atomic.Value
}
func (h *swapHandler) Log(r *Record) error {
return (*h.handler.Load().(*Handler)).Log(r)
}
func (h *swapHandler) Swap(newHandler Handler) {
h.handler.Store(&newHandler)
}
func (h *swapHandler) Get() Handler {
return *h.handler.Load().(*Handler)
}

27
log/handler_go13.go
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@ -1,27 +0,0 @@
//go:build !go1.4
// +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))
}

24
log/handler_go14.go
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@ -1,24 +0,0 @@
//go:build go1.4
// +build go1.4
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.Value
}
func (h *swapHandler) Log(r *Record) error {
return (*h.handler.Load().(*Handler)).Log(r)
}
func (h *swapHandler) Swap(newHandler Handler) {
h.handler.Store(&newHandler)
}
func (h *swapHandler) Get() Handler {
return *h.handler.Load().(*Handler)
}