daemon

package module

v0.1.2 Latest Latest Go to latest Published: Jul 7, 2019 License: BSD-3-Clause Imports: 9 Imported by: 4

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Valid go.mod file

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Repository

github.com/janos/daemon

Links

Open Source Insights

README ¶

Daemon for Go

Installation

Run go get resenje.org/daemon from command line.

Documentation ¶

Rendered for

Index ¶

type Daemon

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Daemon ¶

type Daemon struct {
	PidFileName string
	PidFileMode os.FileMode
}

Daemon is a structure that holds information about PID file.

func (*Daemon) Cleanup ¶

func (d *Daemon) Cleanup() error

Cleanup removes PID file.

func (*Daemon) Daemonize ¶

func (d *Daemon) Daemonize(workDir string, inFile io.Reader, outFile io.Writer, errFile io.Writer) error

Daemonize terminates the execution of the initial process and starts a new process in the background. If workDir is not zero length string, os.Chdir is executed with that value. New process will have standard input, output and error specified by inFile, outFile and errFile. PID file will be created with the second process ID.

func (*Daemon) Pid ¶

func (d *Daemon) Pid() (int, error)

Pid returns process ID if available.

func (*Daemon) Process ¶

func (d *Daemon) Process() (*os.Process, error)

Process returns an os.Process and error returned by os.FindProcess based on the content from PID file.

func (*Daemon) Signal ¶

func (d *Daemon) Signal(sig os.Signal) error

Signal sends os.Signal to the daemonized process.

func (*Daemon) Status ¶

func (d *Daemon) Status() (pid int, err error)

Status returns PID as int of a daemonized process. If the process is not running, returned error is not nil.

func (*Daemon) Stop ¶

func (d *Daemon) Stop() error

Stop sends SIGTERM signal to the daemonized process. If it fails, SIGKILL signal is sent.

Source Files ¶

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