Zabbix

/*

** Zabbix

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** This program is distributed in the hope that it will be useful,

** but WITHOUT ANY WARRANTY; without even the implied warranty of

** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

** GNU General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

package pidfile

​

import (

    "os"

    "strconv"

)

​

type File struct {

    file *os.File

}

​

func New(path string) (pidFile *File, err error) {

    var pf File

    pid := os.Getpid()

    if pf.file, err = createPidFile(pid, path); err != nil || pf.file == nil {

        return

    }

    if err = pf.file.Truncate(0); err != nil {

        return

    }

    if _, err = pf.file.WriteString(strconv.Itoa(pid)); err != nil {

        return

    }

    if err = pf.file.Sync(); err != nil {

        return

    }

​

    return &pf, nil

}

​

func (f *File) Delete() {

    if nil == f || nil == f.file {

        return

    }

    path := f.file.Name()

    f.file.Close()

    os.Remove(path)

}