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How to use Kill method of runner Package

Best Gauge code snippet using runner.Kill

runner.go

Source:runner.go

...62		restartDelay:  restartDelay,63	}64	go func() {65		defer runner.tomb.Done()66		runner.tomb.Kill(runner.run())67	}()68	return runner69}70var ErrDead = errors.New("worker runner is not running")71// StartWorker starts a worker running associated with the given id.72// The startFunc function will be called to create the worker;73// when the worker exits, it will be restarted as long as it74// does not return a fatal error.75//76// If there is already a worker with the given id, nothing will be done.77//78// StartWorker returns ErrDead if the runner is not running.79func (runner *runner) StartWorker(id string, startFunc func() (Worker, error)) error {80	select {81	case runner.startc <- startReq{id, startFunc}:82		return nil83	case <-runner.tomb.Dead():84	}85	return ErrDead86}87// StopWorker stops the worker associated with the given id.88// It does nothing if there is no such worker.89//90// StopWorker returns ErrDead if the runner is not running.91func (runner *runner) StopWorker(id string) error {92	select {93	case runner.stopc <- id:94		return nil95	case <-runner.tomb.Dead():96	}97	return ErrDead98}99func (runner *runner) Wait() error {100	return runner.tomb.Wait()101}102func (runner *runner) Kill() {103	logger.Debugf("killing runner %p", runner)104	runner.tomb.Kill(nil)105}106type workerInfo struct {107	start        func() (Worker, error)108	worker       Worker109	restartDelay time.Duration110	stopping     bool111}112func (runner *runner) run() error {113	// workers holds the current set of workers.  All workers with a114	// running goroutine have an entry here.115	workers := make(map[string]*workerInfo)116	var finalError error117	// isDying holds whether the runner is currently dying.  When it118	// is dying (whether as a result of being killed or due to a119	// fatal error), all existing workers are killed, no new workers120	// will be started, and the loop will exit when all existing121	// workers have stopped.122	isDying := false123	tombDying := runner.tomb.Dying()124	for {125		if isDying && len(workers) == 0 {126			return finalError127		}128		select {129		case <-tombDying:130			logger.Infof("runner is dying")131			isDying = true132			killAll(workers)133			tombDying = nil134		case req := <-runner.startc:135			if isDying {136				logger.Infof("ignoring start request for %q when dying", req.id)137				break138			}139			info := workers[req.id]140			if info == nil {141				workers[req.id] = &workerInfo{142					start:        req.start,143					restartDelay: runner.restartDelay,144				}145				go runner.runWorker(0, req.id, req.start)146				break147			}148			if !info.stopping {149				// The worker is already running, so leave it alone150				break151			}152			// The worker previously existed and is153			// currently being stopped.  When it eventually154			// does stop, we'll restart it immediately with155			// the new start function.156			info.start = req.start157			info.restartDelay = 0158		case id := <-runner.stopc:159			logger.Debugf("stop %q", id)160			if info := workers[id]; info != nil {161				killWorker(id, info)162			}163		case info := <-runner.startedc:164			logger.Debugf("%q started", info.id)165			workerInfo := workers[info.id]166			workerInfo.worker = info.worker167			if isDying || workerInfo.stopping {168				killWorker(info.id, workerInfo)169			}170		case info := <-runner.donec:171			logger.Debugf("%q done: %v", info.id, info.err)172			workerInfo := workers[info.id]173			if !workerInfo.stopping && info.err == nil {174				logger.Debugf("removing %q from known workers", info.id)175				delete(workers, info.id)176				break177			}178			if info.err != nil {179				if runner.isFatal(info.err) {180					logger.Errorf("fatal %q: %v", info.id, info.err)181					if finalError == nil || runner.moreImportant(info.err, finalError) {182						finalError = info.err183					}184					delete(workers, info.id)185					if !isDying {186						isDying = true187						killAll(workers)188					}189					break190				} else {191					logger.Errorf("exited %q: %v", info.id, info.err)192				}193			}194			if workerInfo.start == nil {195				logger.Debugf("no restart, removing %q from known workers", info.id)196				// The worker has been deliberately stopped;197				// we can now remove it from the list of workers.198				delete(workers, info.id)199				break200			}201			go runner.runWorker(workerInfo.restartDelay, info.id, workerInfo.start)202			workerInfo.restartDelay = runner.restartDelay203		}204	}205}206func killAll(workers map[string]*workerInfo) {207	for id, info := range workers {208		killWorker(id, info)209	}210}211func killWorker(id string, info *workerInfo) {212	if info.worker != nil {213		logger.Debugf("killing %q", id)214		info.worker.Kill()215		info.worker = nil216	} else {217		logger.Debugf("couldn't kill %q, not yet started", id)218	}219	info.stopping = true220	info.start = nil221}222// runWorker starts the given worker after waiting for the given delay.223func (runner *runner) runWorker(delay time.Duration, id string, start func() (Worker, error)) {224	if delay > 0 {225		logger.Infof("restarting %q in %v", id, delay)226		select {227		case <-runner.tomb.Dying():228			runner.donec <- doneInfo{id, nil}...

fake_runner.go

Source:fake_runner.go

...20	waitArgsForCall []struct{}21	waitReturns     struct {22		result1 error23	}24	KillStub        func() error25	killMutex       sync.RWMutex26	killArgsForCall []struct{}27	killReturns     struct {28		result1 error29	}30}31func (fake *FakeRunner) Run(outbuf *bytes.Buffer, errbuff *bytes.Buffer) error {32	fake.runMutex.Lock()33	fake.runArgsForCall = append(fake.runArgsForCall, struct {34		outbuf  *bytes.Buffer35		errbuff *bytes.Buffer36	}{outbuf, errbuff})37	fake.runMutex.Unlock()38	if fake.RunStub != nil {39		return fake.RunStub(outbuf, errbuff)40	} else {41		return fake.runReturns.result142	}43}44func (fake *FakeRunner) RunCallCount() int {45	fake.runMutex.RLock()46	defer fake.runMutex.RUnlock()47	return len(fake.runArgsForCall)48}49func (fake *FakeRunner) RunArgsForCall(i int) (*bytes.Buffer, *bytes.Buffer) {50	fake.runMutex.RLock()51	defer fake.runMutex.RUnlock()52	return fake.runArgsForCall[i].outbuf, fake.runArgsForCall[i].errbuff53}54func (fake *FakeRunner) RunReturns(result1 error) {55	fake.RunStub = nil56	fake.runReturns = struct {57		result1 error58	}{result1}59}60func (fake *FakeRunner) Wait() error {61	fake.waitMutex.Lock()62	fake.waitArgsForCall = append(fake.waitArgsForCall, struct{}{})63	fake.waitMutex.Unlock()64	if fake.WaitStub != nil {65		return fake.WaitStub()66	} else {67		return fake.waitReturns.result168	}69}70func (fake *FakeRunner) WaitCallCount() int {71	fake.waitMutex.RLock()72	defer fake.waitMutex.RUnlock()73	return len(fake.waitArgsForCall)74}75func (fake *FakeRunner) WaitReturns(result1 error) {76	fake.WaitStub = nil77	fake.waitReturns = struct {78		result1 error79	}{result1}80}81func (fake *FakeRunner) Kill() error {82	fake.killMutex.Lock()83	fake.killArgsForCall = append(fake.killArgsForCall, struct{}{})84	fake.killMutex.Unlock()85	if fake.KillStub != nil {86		return fake.KillStub()87	} else {88		return fake.killReturns.result189	}90}91func (fake *FakeRunner) KillCallCount() int {92	fake.killMutex.RLock()93	defer fake.killMutex.RUnlock()94	return len(fake.killArgsForCall)95}96func (fake *FakeRunner) KillReturns(result1 error) {97	fake.KillStub = nil98	fake.killReturns = struct {99		result1 error100	}{result1}101}102var _ commandrunner.Runner = new(FakeRunner)...

fake_command_runner_test.go

Source:fake_command_runner_test.go

...14		runner = fake_command_runner.New()15		cmd = &exec.Cmd{}16		cmd2 = &exec.Cmd{}17	})18	Describe("Kill", func() {19		It("should record Kill commands", func() {20			runner.Kill(cmd)21			Expect(runner.KilledCommands()).To(Equal([]*exec.Cmd{cmd}))22		})23		// This may seem like an odd test, but it exposed a bug.24		It("should not confuse Kill and Wait", func() {25			runner.Kill(cmd)26			runner.Wait(cmd2)27			Expect(runner.KilledCommands()).To(Equal([]*exec.Cmd{cmd}))28		})29	})30	Describe("Wait", func() {31		It("should record Wait commands", func() {32			runner.Wait(cmd)33			Expect(runner.WaitedCommands()).To(Equal([]*exec.Cmd{cmd}))34		})35		It("should not confuse Wait and Kill", func() {36			runner.Wait(cmd)37			runner.Kill(cmd2)38			Expect(runner.WaitedCommands()).To(Equal([]*exec.Cmd{cmd}))39		})40	})41})...

Kill

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("go", "run", "2.go")4	err := cmd.Start()5	if err != nil {6		fmt.Println(err)7	}8	go func() {9		time.Sleep(3 * time.Second)10		cmd.Process.Kill()11	}()12	err = cmd.Wait()13	if err != nil {14		fmt.Println(err)15	}16}17import "fmt"18func main() {19	for i := 1; i <= 1000; i++ {20		fmt.Println(i)21	}22}23import (24func main() {25	cmd := exec.Command("go", "run", "4.go")26	err := cmd.Start()27	if err != nil {28		fmt.Println(err)29	}30	go func() {31		time.Sleep(3 * time.Second)32		cmd.Process.Kill()33	}()34	err = cmd.Wait()35	if err != nil {36		fmt.Println(err)37	}38}39import "fmt"40func main() {41	for i := 1; i <= 1000; i++ {42		fmt.Println(i)43	}44}

Kill

Using AI Code Generation

1import (2func main() {3	runner := NewRunner(5 * time.Second)4	runner.Add(createTask(), createTask(), createTask())5	if err := runner.Start(); err != nil {6		switch err {7			fmt.Println("Terminating due to timeout")8			fmt.Println("Terminating due to interrupt")9		}10	}11	fmt.Println("Process ended")12}13import (14func main() {15	runner := NewRunner(5 * time.Second)16	runner.Add(createTask(), createTask(), createTask())17	runner.Start()18	fmt.Println("Process ended")19}20import (21func main() {22	runner := NewRunner(5 * time.Second)23	runner.Add(createTask(), createTask(), createTask())24	runner.Start()25	fmt.Println("Process ended")26}27import (28func main() {29	runner := NewRunner(5 * time.Second)30	runner.Add(createTask(), createTask(), createTask())31	runner.Start()32	fmt.Println("Process ended")33}34import (35func main() {36	runner := NewRunner(5 * time.Second)37	runner.Add(createTask(), createTask(), createTask())38	runner.Start()39	fmt.Println("Process ended")40}41import (42func main() {43	runner := NewRunner(5 * time.Second)44	runner.Add(createTask(), createTask(), createTask())45	runner.Start()46	fmt.Println("Process ended")47}48import (49func main() {50	runner := NewRunner(5 * time.Second)51	runner.Add(createTask(), createTask(), createTask())52	runner.Start()

Kill

Using AI Code Generation

1import (2func main() {3    fmt.Println("Starting work.")4    runner := NewRunner(3 * time.Second)5    runner.Add(createTask(), createTask(), createTask())6    runner.Start()7    time.Sleep(10 * time.Second)8    runner.Kill()9    fmt.Println("Terminating program.")10}11import (12func main() {13    fmt.Println("Starting work.")14    runner := NewRunner(3 * time.Second)15    runner.Add(createTask(), createTask(), createTask())16    runner.Start()17    time.Sleep(10 * time.Second)18    runner.Kill()19    fmt.Println("Terminating program.")20}21import (22func main() {23    fmt.Println("Starting work.")24    runner := NewRunner(3 * time.Second)25    runner.Add(createTask(), createTask(), createTask())26    runner.Start()27    time.Sleep(10 * time.Second)28    runner.Kill()29    fmt.Println("Terminating program.")30}31import (32func main() {33    fmt.Println("Starting work.")34    runner := NewRunner(3 * time.Second)35    runner.Add(createTask(), createTask(), createTask())36    runner.Start()37    time.Sleep(10 * time.Second)38    runner.Kill()39    fmt.Println("Terminating program.")40}41import (42func main() {43    fmt.Println("Starting work.")44    runner := NewRunner(3 * time.Second)45    runner.Add(createTask(), createTask(), createTask())46    runner.Start()47    time.Sleep(10 * time.Second)48    runner.Kill()49    fmt.Println("Terminating program.")50}51import (52func main() {53    fmt.Println("Starting work.")54    runner := NewRunner(3 * time.Second)

Kill

Using AI Code Generation

1import (2func main() {3	runner := NewRunner(10 * time.Second)4	go runner.Start()5	time.Sleep(3 * time.Second)6	runner.Kill()7}8import (9func main() {10	runner := NewRunner(10 * time.Second)11	go runner.Start()12	time.Sleep(3 * time.Second)13	runner.Stop()14}15import (16func main() {17	runner := NewRunner(10 * time.Second)18	go runner.Start()19	time.Sleep(3 * time.Second)20	runner.Stop()21}22import (23func main() {24	runner := NewRunner(10 * time.Second)25	go runner.Start()26	time.Sleep(3 * time.Second)27	runner.Stop()28}29import (30func main() {31	runner := NewRunner(10 * time.Second)32	go runner.Start()33	time.Sleep(3 * time.Second)34	runner.Stop()35}36import (37func main() {38	runner := NewRunner(10 * time.Second)39	go runner.Start()40	time.Sleep(3 * time.Second)41	runner.Stop()42}43import (44func main() {45	runner := NewRunner(10 * time.Second)46	go runner.Start()47	time.Sleep(3 * time.Second)48	runner.Stop()49}50import (51func main() {52	runner := NewRunner(10 * time.Second)53	go runner.Start()54	time.Sleep(3 * time.Second)55	runner.Stop()56}57import (

Kill

Using AI Code Generation

1import (2func main() {3    cmd := exec.Command("go", "run", "2.go")4    err := cmd.Start()5    if err != nil {6        fmt.Println(err)7        os.Exit(1)8    }9    err = cmd.Wait()10    if err != nil {11        fmt.Println(err)12    }13}14import (15func main() {16    for {17        fmt.Println("hello")18        time.Sleep(1 * time.Second)19    }20}

Kill

Using AI Code Generation

1import (2func main() {3	fmt.Println("In main")4	runner := NewRunner(3 * time.Second)5	go runner.Start()6	time.Sleep(10 * time.Second)7	runner.Kill()8}

Kill

Using AI Code Generation

1import (2func main() {3	fmt.Println("Starting work.")4	runner := Runner{}5	runner.Start(time.Second * 3)6	runner.Kill()7	fmt.Println("End of work.")8}9import (10func main() {11	fmt.Println("Starting work.")12	runner := Runner{}13	runner.Start(time.Second * 3)14	runner.Stop()15	fmt.Println("End of work.")16}17import (18func main() {19	fmt.Println("Starting work.")20	runner := Runner{}21	runner.Start(time.Second * 3)22	runner.StopAndWait()23	fmt.Println("End of work.")24}25import (26func main() {27	fmt.Println("Starting work.")28	runner := Runner{}29	runner.Start(time.Second * 3)30	runner.StopAndWait()31	fmt.Println("End of work.")32}33import (34func main() {35	fmt.Println("Starting work.")36	runner := Runner{}37	runner.Start(time.Second * 3)38	runner.StopAndWait()39	fmt.Println("End of work.")40}41import (42func main() {43	fmt.Println("Starting work.")44	runner := Runner{}45	runner.Start(time.Second * 3)46	runner.StopAndWait()47	fmt.Println("End of work.")48}

Kill

Using AI Code Generation

1import (2func main() {3	fmt.Println("Number of CPUs: ", runtime.NumCPU())4	r := New(3 * time.Second)5	r.Add(createTask(), createTask(), createTask())6	if err := r.Start(); err != nil {7		switch err {8			fmt.Println("Terminating due to timeout.")9			fmt.Println("Terminating due to interrupt.")10		}11	}12	fmt.Println("Process ended.")13}14func createTask() func(int) {15	return func(id int) {16		fmt.Printf("Processor - Task #%d.\n", id)17		time.Sleep(time.Duration(id) * time.Second)18	}19}20import (21var ErrTimeout = errors.New("received timeout")22var ErrInterrupt = errors.New("received interrupt")23type Runner struct {24	tasks     []func(int)25}26func New(d time.Duration) *Runner {27	return &Runner{28		complete:  make(chan error),29		timeout:   time.After(d),30		interrupt: make(chan os.Signal, 1),31	}32}33func (r *Runner) Add(tasks ...func(int)) {34	r.tasks = append(r.tasks, tasks...)35}36func (r *Runner) Start() error {37	signal.Notify(r.interrupt, os.Interrupt)38	go func() {39		r.complete <- r.run()40	}()41	select {42	}43}44func (r *Runner) run() error {45	for id, task := range r.tasks {46		if r.gotInterrupt() {47		}48		task(id)

Kill

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("go", "run", "2.go")4	err := cmd.Start()5	if err != nil {6		fmt.Printf("Error: %s\n", err)7		os.Exit(1)8	}9	r := NewRunner(3 * time.Second)10	r.Run(cmd)11}12import (13func main() {14	sigCh := make(chan os.Signal, 1)15	signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)16	fmt.Println("Starting process")17	for i := 0; i < 5; i++ {18		fmt.Println("Working...")19		time.Sleep(1 * time.Second)20		select {21			fmt.Println("Terminating process")22			os.Exit(0)23		}24	}25	fmt.Println("Process completed")26}27import (28func main() {29	cmd := exec.Command("go", "run", "2.go")30	err := cmd.Start()31	if err != nil {32		fmt.Printf("Error: %s\n", err)33		os.Exit(1)34	}35	r := NewRunner(3 * time.Second)36	r.Run(cmd)37}38import (39func main() {40	sigCh := make(chan os.Signal, 1)41	signal.Notify(sigCh,

Kill

Using AI Code Generation

1import (2func main() {3	fmt.Println("Killing process")4	syscall.Kill(1, syscall.SIGKILL)5}6import (7func main() {8	fmt.Println("Killing process")9	syscall.Kill(1, syscall.SIGKILL)10}11import (12func main() {13	fmt.Println("Killing process")14	syscall.Kill(1, syscall.SIGKILL)15}16import (17func main() {18	fmt.Println("Killing process")19	syscall.Kill(1, syscall.SIGKILL)20}21import (22func main() {23	fmt.Println("Killing process")24	syscall.Kill(1, syscall.SIGKILL)25}26import (27func main() {28	fmt.Println("Killing process")29	syscall.Kill(1, syscall.SIGKILL)30}31import (32func main() {33	fmt.Println("Killing process")34	syscall.Kill(1, syscall.SIGKILL)35}36import (37func main() {38	fmt.Println("Killing process")39	syscall.Kill(1, syscall.SIGKILL)40}41import (42func main() {43	fmt.Println("Killing process")44	syscall.Kill(1, syscall.SIGKILL)45}46import (

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