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| package process
import (
"fmt"
"os"
"os/exec"
"syscall"
"time"
)
func InitProcess() {
if syscall.Getppid() == 1 {
if err := os.Chdir("./"); err != nil {
panic(err)
}
syscall.Umask(0)
return
}
fmt.Println("守护进程")
fp, err := os.OpenFile("chat.log", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644)
if err != nil {
panic(err)
}
defer func() {
_ = fp.Close()
}()
cmd := exec.Command(os.Args[0], os.Args[1:]...)
cmd.Stdout = fp
cmd.Stderr = fp
cmd.Stdin = nil
cmd.SysProcAttr = &syscall.SysProcAttr{Setsid: true}
if err := cmd.Start(); err != nil {
panic(err)
}
_, _ = fp.WriteString(fmt.Sprintf(
"[PID] %d Start At %s\n", cmd.Process.Pid, time.Now().Format("2006-01-02 15:04:05")))
os.Exit(0)
}
|