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Code Issues Releases Activity

data race bug fixed

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This commit is contained in:
JessonChan 2016-03-16 18:04:07 +08:00
parent c8bbfb75f0
commit 2b1316c738
1 changed files with 6 additions and 2 deletions
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8
logs/file.go
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@ -30,7 +30,7 @@ import (
// fileLogWriter implements LoggerInterface.
// It writes messages by lines limit, file size limit, or time frequency.
type fileLogWriter struct {
sync.Mutex // write log order by order and atomic incr maxLinesCurLines and maxSizeCurSize
sync.RWMutex // write log order by order and atomic incr maxLinesCurLines and maxSizeCurSize
// The opened file
Filename string `json:"filename"`
fileWriter *os.File
@ -77,7 +77,7 @@ func newFileWriter() Logger {
// {
// "filename":"logs/beego.log",
// "maxLines":10000,
// "maxsize":1<<30,
// "maxsize":1024,
// "daily":true,
// "maxDays":15,
// "rotate":true,
@ -128,7 +128,9 @@ func (w *fileLogWriter) WriteMsg(when time.Time, msg string, level int) error {
h, d := formatTimeHeader(when)
msg = string(h) + msg + "\n"
if w.Rotate {
w.RLock()
if w.needRotate(len(msg), d) {
w.RUnlock()
w.Lock()
if w.needRotate(len(msg), d) {
if err := w.doRotate(when); err != nil {
@ -136,6 +138,8 @@ func (w *fileLogWriter) WriteMsg(when time.Time, msg string, level int) error {
}
}
w.Unlock()
} else {
w.RUnlock()
}
}