How to use pollLoop method of main Package

Best Syzkaller code snippet using main.pollLoop

android_run_app.go

Source:android_run_app.go

1// Copyright (c) 2015 The Chromium Authors. All rights reserved.2// Use of this source code is governed by a BSD-style license that can be3// found in the LICENSE file.4/*5	Run a Skia app to completion, piping the log to stdout.6*/7package main8import (9	"flag"10	"fmt"11	"io"12	"os"13	"os/exec"14	"os/signal"15	"strconv"16	"strings"17	"time"18	"github.com/skia-dev/glog"19	"go.skia.org/infra/go/common"20)21const (22	COM_SKIA = "com.skia"23)24var (25	adbPath = flag.String("adb", "", "Path to the ADB executable.")26	app     = flag.String("app", "VisualBench", "Name of the app to run.")27	serial  = flag.String("s", "", "Serial number for the Android device to use.")28)29// Struct used for running ADB commands.30type ADB struct {31	path   string32	serial string33}34// ADBFromFlags returns an ADB instance based on flags passed to the program.35func ADBFromFlags() *ADB {36	rv := &ADB{37		path:   *adbPath,38		serial: *serial,39	}40	if rv.path == "" {41		rv.path = "adb"42	}43	return rv44}45// Cmd creates an exec.Cmd object for the given ADB command.46func (adb *ADB) Cmd(log bool, args ...string) *exec.Cmd {47	cmd := []string{}48	if adb.serial != "" {49		cmd = append(cmd, "-s", adb.serial)50	}51	cmd = append(cmd, args...)52	if log {53		glog.Infof("Exec `%s %s`", adb.path, strings.Join(cmd, " "))54	}55	return exec.Command(adb.path, cmd...)56}57// KillSkia kills any running process.58func (adb *ADB) Kill(proc string) error {59	return adb.Cmd(false, "shell", "am", "force-stop", proc).Run()60}61// PollSkia checks to see if the given process is running. If so, return the pid, otherwise return -1.62func (adb *ADB) Poll(proc string) (int64, error) {63	output, err := adb.Cmd(false, "shell", "ps").Output()64	if err != nil {65		return -1, fmt.Errorf("Failed to check the running processes on the device: %v", err)66	}67	for _, line := range strings.Split(string(output), "\n") {68		if strings.Contains(line, proc) {69			fields := strings.Fields(line)70			pid, err := strconv.ParseInt(fields[1], 10, 32)71			if err != nil {72				return -1, fmt.Errorf("Failed to parse \"%s\" to an integer: %v", fields[1], err)73			}74			return pid, nil75		}76	}77	return -1, nil78}79// ReadLinesFromPipe reads from the given pipe and logs its output.80func ReadLinesFromPipe(pipe io.Reader, lines chan string) {81	buf := []byte{}82	// writeLine recovers from a panic when writing to the channel.83	writeLine := func(s string) {84		defer func() {85			if r := recover(); r != nil {86				glog.Warningf("Panic writing to channel... are we exiting?")87			}88		}()89		lines <- s90	}91	// readLines reads output lines from the buffer and pushes them into the channel.92	readlines := func() {93		readIdx := 094		// Read lines from buf.95		for i, b := range buf {96			if b == '\n' {97				s := string(buf[readIdx:i])98				writeLine(s)99				readIdx = i + 1100			}101		}102		// Remove the lines we read.103		buf = buf[readIdx:]104	}105	// Loop forever, reading bytes from the pipe.106	readbuf := make([]byte, 4096)107	for {108		read, err := pipe.Read(readbuf)109		if read > 0 {110			buf = append(buf, readbuf[:read]...)111			// Read lines from the buffers.112			readlines()113		}114		if err != nil {115			if err == io.EOF {116				break117			} else {118				glog.Error(err)119			}120		} else if read == 0 {121			time.Sleep(20 * time.Millisecond)122		}123	}124	// Read any remaining lines from the buffers.125	readlines()126	// "Flush" any incomplete lines from the buffers.127	writeLine(string(buf))128}129// RunApp launches the given app on the device, pipes its log output to stdout,130// and returns when the app finishes running, with an error if the app did not131// complete successfully.132func RunApp(adb *ADB, appName string, args []string) error {133	// Kill any running instances of the app.134	if err := adb.Kill(COM_SKIA); err != nil {135		return fmt.Errorf("Failed to kill app: %v", err)136	}137	// Clear the ADB log.138	if err := adb.Cmd(false, "logcat", "-c").Run(); err != nil {139		return fmt.Errorf("Failed to clear ADB log: %v", err)140	}141	// Prepare to read the subprocess output.142	logProc := adb.Cmd(false, "logcat")143	defer func() {144		// Cleanup.145		if err := logProc.Process.Kill(); err != nil {146			glog.Errorf("Failed to kill logcat process: %v", err)147		}148	}()149	stdout, err := logProc.StdoutPipe()150	if err != nil {151		return fmt.Errorf("Failed to obtain stdout pipe: %v", err)152	}153	stdoutLines := make(chan string)154	stderr, err := logProc.StderrPipe()155	if err != nil {156		return fmt.Errorf("Failed to obtain stderr pipe: %v", err)157	}158	stderrLines := make(chan string)159	go ReadLinesFromPipe(stdout, stdoutLines)160	go ReadLinesFromPipe(stderr, stderrLines)161	if err := logProc.Start(); err != nil {162		return fmt.Errorf("Failed to start logcat process.")163	}164	// Launch the app.165	stop := make(chan bool, 1)166	activity := fmt.Sprintf("%s.%s/%s.%sActivity", COM_SKIA, strings.ToLower(appName), COM_SKIA, appName)167	flags := strings.Join(args, " ")168	cmd := []string{"shell", "am", "start", "-S", "-n", activity, "--es", "cmdLineFlags", flags}169	output, err := adb.Cmd(true, cmd...).Output()170	if err != nil {171		return fmt.Errorf("Failed to launch app: %v", err)172	}173	glog.Info(string(output))174	// Make a handler for SIGINT so that we can kill the app if this script is interrupted.175	go func() {176		interrupt := make(chan os.Signal, 1)177		signal.Notify(interrupt, os.Interrupt)178		for _ = range interrupt {179			glog.Infof("Received SIGINT; killing app.")180			stop <- true181			close(stdoutLines)182			close(stderrLines)183			if err := adb.Kill(COM_SKIA); err != nil {184				glog.Errorf("Failed to kill app: %v", err)185			}186			if err := logProc.Process.Kill(); err != nil {187				glog.Errorf("Failed to kill logcat process: %v", err)188			}189		}190	}()191	// Loop until the app finishes or we're interrupted, writing output as appropriate.192	// TODO(borenet): VisualBench should print its exit code. This script should exit193	// with that code, or a non-zero code if the process ended without printing any code.194	second := time.Tick(time.Second)195PollLoop:196	for {197		select {198		case <-second:199			// Poll the Skia process every second to make sure it's still running.200			pid, err := adb.Poll(COM_SKIA)201			if err != nil {202				glog.Errorf("Failed to poll Skia process: %v", err)203			} else if pid < 0 {204				glog.Infof("Skia process is no longer running!")205				break PollLoop206			}207		case <-stop:208			break PollLoop209		case line := <-stdoutLines:210			glog.Info(line)211		case line := <-stderrLines:212			glog.Error(line)213		}214	}215	return nil216}217func main() {218	common.Init()219	args := flag.Args()220	if err := RunApp(ADBFromFlags(), *app, args); err != nil {221		glog.Fatal(err)222	}223}...

pollLoop

Using AI Code Generation

1import (2func main() {3	rand.Seed(time.Now().UnixNano())4	pollLoop()5}6import (7func main() {8	rand.Seed(time.Now().UnixNano())9	pollLoop()10}11import (12func main() {13	rand.Seed(time.Now().UnixNano())14	pollLoop()15}16import (17func main() {18	rand.Seed(time.Now().UnixNano())19	pollLoop()20}21import (22func main() {23	rand.Seed(time.Now().UnixNano())24	pollLoop()25}26import (27func main() {28	rand.Seed(time.Now().UnixNano())29	pollLoop()30}31import (32func main() {33	rand.Seed(time.Now().UnixNano())34	pollLoop()35}36import (37func main() {38	rand.Seed(time.Now().UnixNano())39	pollLoop()40}41import (42func main() {43	rand.Seed(time.Now().UnixNano())44	pollLoop()45}46import (47func main() {48	rand.Seed(time.Now().UnixNano())49	pollLoop()50}

pollLoop

Using AI Code Generation

1import java.io.*;2import java.util.*;3import java.util.concurrent.*;4{5    public static void main(String[] args) throws Exception6    {7        Scanner in = new Scanner(System.in);8        int n = in.nextInt();9        int m = in.nextInt();10        int s = in.nextInt() - 1;11        int t = in.nextInt() - 1;12        int[] a = new int[m];13        int[] b = new int[m];14        int[] c = new int[m];15        for (int i = 0; i < m; i++) {16            a[i] = in.nextInt() - 1;17            b[i] = in.nextInt() - 1;18            c[i] = in.nextInt();19        }20        int[] d = new int[n];21        Arrays.fill(d, Integer.MAX_VALUE);22        d[s] = 0;23        int[] p = new int[n];24        Arrays.fill(p, -1);25        int[] q = new int[n];26        int qt = 0;27        q[qt++] = s;28        for (int qh = 0; (qh - qt) % n != 0; qh++) {29            int cur = q[qh % n];30            for (int i = 0; i < m; i++) {31                if (c[i] > 0 && d[a[i]] > d[cur] + 1) {32                    d[a[i]] = d[cur] + 1;33                    p[a[i]] = i;34                    q[qt++ % n] = a[i];35                }36                if (c[i] > 0 && d[b[i]] > d[cur] + 1) {37                    d[b[i]] = d[cur] + 1;38                    p[b[i]] = i;39                    q[qt++ % n] = b[i];40                }41            }42        }43        int[] f = new int[n];44        f[t] = Integer.MAX_VALUE;45        for (int u = t; u != s; u = a[p[u]]) {46            f[u] = Math.min(f[a[p[u]]], c[p[u]]);47            c[p[u]] -= f[t];48            c[p[u] ^ 1] += f[t];49        }50        int flow = 0;51        int[] cur = new int[n];52        int[] qh = new int[n];

pollLoop

Using AI Code Generation

1import (2func main() {3	pollLoop := pollLoop(2)4	for i := 0; i < 10; i++ {5		fmt.Println(<-pollLoop)6	}7}8import (9func pollLoop(interval int) <-chan string {10	c := make(chan string)11	go func() {12		for {13			c <- fmt.Sprint(time.Now())14			time.Sleep(time.Duration(interval) * time.Second)15		}16	}()17}

pollLoop

Using AI Code Generation

1import (2func main() {3	fmt.Println("Enter a string")4	fmt.Scanln(&x)5	fmt.Println(x)6	pollLoop()7}8import (9func pollLoop() {10	for i := 0; i < 5; i++ {11		fmt.Println(i)12		time.Sleep(time.Second * 1)13	}14}

pollLoop

Using AI Code Generation

1import (2func main() {3	p.init()4	go p.pollLoop()5	fmt.Println("poll loop finished")6}7import (8func main() {9	p.init()10	go p.pollLoop()11	fmt.Println("poll loop finished")12}13import (14func main() {15	p.init()16	go p.pollLoop()17	fmt.Println("poll loop finished")18}19import (20func main() {21	p.init()22	go p.pollLoop()23	fmt.Println("poll loop finished")24}25import (26func main() {27	p.init()28	go p.pollLoop()29	fmt.Println("poll loop finished")30}31import (32func main() {33	p.init()34	go p.pollLoop()35	fmt.Println("poll loop finished")36}37import (38func main() {39	p.init()40	go p.pollLoop()

pollLoop

Using AI Code Generation

1public class main{2  public static void main(String[] args){3    pollLoop();4  }5}6import "fmt"7func pollLoop(){8  fmt.Println("polling")9}10public class main{11  public static void main(String[] args){12    pollLoop();13  }14}15import "fmt"16func pollLoop(){17  fmt.Println("polling")18}19public class main{20  public static void main(String[] args){21    pollLoop();22  }23}24import "fmt"25func pollLoop(){26  fmt.Println("polling")27}28public class main{29  public static void main(String[] args){30    pollLoop();31  }32}33import "fmt"34func pollLoop(){35  fmt.Println("polling")36}37public class main{38  public static void main(String[] args){39    pollLoop();40  }41}42import "fmt"43func pollLoop(){44  fmt.Println("polling")45}46public class main{47  public static void main(String[] args){48    pollLoop();49  }50}51import "fmt"52func pollLoop(){53  fmt.Println("polling")54}55public class main{56  public static void main(String[] args){57    pollLoop();58  }59}60import "fmt"61func pollLoop(){62  fmt.Println("polling")63}64public class main{65  public static void main(String[] args){66    pollLoop();

pollLoop

Using AI Code Generation

1func main() {2}3import (4func main() {5    for {6        fmt.Println("Hello World")7        time.Sleep(1 * time.Second)8    }9}10import (11func main() {12    for {13        fmt.Println("Hello World")14        time.Sleep(1 * time.Second)15    }16}17import (18func main() {19    for {20        fmt.Println("Hello World")21        time.Sleep(1 * time.Second)22    }23}24import (25func main() {26    for {27        fmt.Println("Hello World")28        time.Sleep(1 * time.Second)29    }30}31import (32func main() {33    for {34        fmt.Println("Hello World")35        time.Sleep(1 * time.Second)36    }37}38import (39func main() {40    for {41        fmt.Println("Hello World")42        time.Sleep(1 * time.Second)43    }44}45import (46func main() {47    for {48        fmt.Println("Hello World")49        time.Sleep(1 * time.Second)50    }51}52import (53func main() {54    for {55        fmt.Println("Hello World")56        time.Sleep(1 * time.Second)57    }58}59import (60func main() {61    for {62        fmt.Println("Hello World")63        time.Sleep(1 * time.Second)64    }65}66import (67func main() {68    for {69        fmt.Println("Hello World")70        time.Sleep(1 * time.Second)71    }72}73import (74func main() {75    for {76        fmt.Println("Hello World")77        time.Sleep(1 * time.Second)78    }79}80import (81func main() {82    for {83        fmt.Println("Hello World")84        time.Sleep(1 * time

pollLoop

Using AI Code Generation

1func main() {2    for {3        s = pollLoop(s)4        if s != "" {5        }6    }7}8import (9func main() {10    for {11        s = pollLoop(s)12        if s != "" {13        }14    }15}16import (17func main() {18    for {19        s = pollLoop(s)20        if s != "" {21        }22    }23}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.