worker

package

v1.9.24 Latest Latest Go to latest Published: Mar 24, 2021 License: Unlicense Imports: 8 Imported by: 3

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var F, E, W, I, D, T logg.LevelPrinter = logg.GetLogPrinterSet(subsystem)

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type Worker struct {
	Cmd  *exec.Cmd
	Args []string
	// Stderr  io.WriteCloser
	// StdPipe io.ReadCloser
	StdConn *stdconn.StdConn
}

func Spawn(quit qu.C, args ...string) (w *Worker, e error)

Spawn starts up an arbitrary executable file with given arguments and attaches a connection to its stdin/stdout

func (w *Worker) Continue() (e error)

Continue sends a signal to a worker process to resume work

func (w *Worker) Interrupt() (e error)

func (w *Worker) Kill() (e error)

Kill forces the child process to shut down without cleanup

func (w *Worker) Pause() (e error)

Pause sends a signal to the worker process to stop

func (w *Worker) Stop() (e error)

Stop signals the worker to shut down cleanly.

Note that the worker must have handlers for os.Signal messages.

It is possible and neater to put a quit method in the IPC API and use the quit channel built into the StdConn

func (w *Worker) Wait() (e error)