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20 lines
449 B
Go
20 lines
449 B
Go
// +build linux,!darwin
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package util
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import (
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"log"
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"os"
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"syscall"
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)
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func init() {
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logFile, err := os.OpenFile("./fatal.log", os.O_CREATE|os.O_TRUNC|os.O_RDWR, 0666)
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if err != nil {
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log.Println("服务启动出错", "打开异常日志文件失败", err)
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return
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}
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// 将进程标准出错重定向至文件，进程崩溃时运行时将向该文件记录协程调用栈信息
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syscall.Dup3(int(logFile.Fd()), int(os.Stderr.Fd()), 0)
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}
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