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ethlog: fix StdLogSystem data race on level

This commit is contained in:
Felix Lange 2014-10-14 14:35:54 +02:00
parent d5a7ba1626
commit 45d1052229
1 changed files with 5 additions and 4 deletions
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9
ethlog/loggers.go
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@ -6,6 +6,7 @@ import (
"log" "log"
"os" "os"
"sync" "sync"
"sync/atomic"
) )
type LogSystem interface { type LogSystem interface {
@ -198,7 +199,7 @@ func (logger *Logger) Fatalf(format string, v ...interface{}) {
type StdLogSystem struct { type StdLogSystem struct {
logger *log.Logger logger *log.Logger
level LogLevel level uint32
} }
func (t *StdLogSystem) Println(v ...interface{}) { func (t *StdLogSystem) Println(v ...interface{}) {
@ -210,14 +211,14 @@ func (t *StdLogSystem) Printf(format string, v ...interface{}) {
} }
func (t *StdLogSystem) SetLogLevel(i LogLevel) { func (t *StdLogSystem) SetLogLevel(i LogLevel) {
t.level = i atomic.StoreUint32(&t.level, uint32(i))
} }
func (t *StdLogSystem) GetLogLevel() LogLevel { func (t *StdLogSystem) GetLogLevel() LogLevel {
return t.level return LogLevel(atomic.LoadUint32(&t.level))
} }
func NewStdLogSystem(writer io.Writer, flags int, level LogLevel) *StdLogSystem { func NewStdLogSystem(writer io.Writer, flags int, level LogLevel) *StdLogSystem {
logger := log.New(writer, "", flags) logger := log.New(writer, "", flags)
return &StdLogSystem{logger, level} return &StdLogSystem{logger, uint32(level)}
} }