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				@ -20,8 +20,9 @@ type entry = Entry
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				// Logger 中保存了日志所需的全局配置,
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				// 使用 Logger 处理日志.
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				type Logger struct {
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					exit            func(code int)  // protected by lock
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					levelProcessors levelProcessors // protected by lock
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					exit            func(code int)   // protected by lock
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					beforeExit      []func(code int) // protected by lock
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					levelProcessors levelProcessors  // protected by lock
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					entry
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					lock             sync.RWMutex
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					level            atomic.Int32
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				@ -98,6 +99,7 @@ func (logger *Logger) SetReportStackLevel(level Level) {
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				func (logger *Logger) Reset() {
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					logger.lock.Lock()
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					logger.exit = nil
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					logger.beforeExit = nil
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					logger.levelProcessors = levelProcessors{}
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					logger.lock.Unlock()
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				@ -112,9 +114,14 @@ func (logger *Logger) Reset() {
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				func (logger *Logger) Exit(code int) {
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					logger.lock.RLock()
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					exit := logger.exit
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					beforeExit := make([]func(int), len(logger.beforeExit))
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					copy(beforeExit, logger.beforeExit)
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					logger.lock.RUnlock()
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					for i := len(beforeExit) - 1; i >= 0; i-- {
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						beforeExit[i](code)
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					}
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					if exit == nil {
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						os.Exit(code)
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						exit = os.Exit
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					}
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					exit(code)
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				}
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				@ -126,6 +133,14 @@ func (logger *Logger) SetExit(fn func(code int)) {
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					logger.lock.Unlock()
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				}
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				// AddBeforeExit 增加 Exit 在调用 SetExit 指定的函数前执行的函数,
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				// 先增加的后执行.
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				func (logger *Logger) AddBeforeExit(fn ...func(code int)) {
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					logger.lock.Lock()
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					logger.beforeExit = append(logger.beforeExit, fn...)
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					logger.lock.Unlock()
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				}
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				func (logger *Logger) getLevelProcessors(level Level) []EntryProcessor {
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					logger.lock.RLock()
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					defer logger.lock.RUnlock()
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