mirror of
https://github.com/moby/moby.git
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37 lines
701 B
Go
37 lines
701 B
Go
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package utils
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import (
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"os"
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"fmt"
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"io/ioutil"
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"log"
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"strconv"
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)
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func CreatePidFile(pidfile string) error {
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if pidString, err := ioutil.ReadFile(pidfile); err == nil {
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pid, err := strconv.Atoi(string(pidString))
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if err == nil {
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if _, err := os.Stat(fmt.Sprintf("/proc/%d/", pid)); err == nil {
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return fmt.Errorf("pid file found, ensure docker is not running or delete %s", pidfile)
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}
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}
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}
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file, err := os.Create(pidfile)
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if err != nil {
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return err
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}
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defer file.Close()
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_, err = fmt.Fprintf(file, "%d", os.Getpid())
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return err
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}
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func RemovePidFile(pidfile string) {
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if err := os.Remove(pidfile); err != nil {
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log.Printf("Error removing %s: %s", pidfile, err)
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}
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}
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