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How to use flags method of prog Package

Best Syzkaller code snippet using prog.flags

cgroup.go

Source:cgroup.go

...5	"os"6	"github.com/cilium/ebpf"7)8type cgroupAttachFlags uint329// cgroup attach flags10const (11	flagAllowOverride cgroupAttachFlags = 1 << iota12	flagAllowMulti13	flagReplace14)15type CgroupOptions struct {16	// Path to a cgroupv2 folder.17	Path string18	// One of the AttachCgroup* constants19	Attach ebpf.AttachType20	// Program must be of type CGroup*, and the attach type must match Attach.21	Program *ebpf.Program22}23// AttachCgroup links a BPF program to a cgroup.24func AttachCgroup(opts CgroupOptions) (Link, error) {25	cgroup, err := os.Open(opts.Path)26	if err != nil {27		return nil, fmt.Errorf("can't open cgroup: %s", err)28	}29	clone, err := opts.Program.Clone()30	if err != nil {31		cgroup.Close()32		return nil, err33	}34	var cg Link35	cg, err = newLinkCgroup(cgroup, opts.Attach, clone)36	if errors.Is(err, ErrNotSupported) {37		cg, err = newProgAttachCgroup(cgroup, opts.Attach, clone, flagAllowMulti)38	}39	if errors.Is(err, ErrNotSupported) {40		cg, err = newProgAttachCgroup(cgroup, opts.Attach, clone, flagAllowOverride)41	}42	if err != nil {43		cgroup.Close()44		clone.Close()45		return nil, err46	}47	return cg, nil48}49// LoadPinnedCgroup loads a pinned cgroup from a bpffs.50func LoadPinnedCgroup(fileName string, opts *ebpf.LoadPinOptions) (Link, error) {51	link, err := LoadPinnedRawLink(fileName, CgroupType, opts)52	if err != nil {53		return nil, err54	}55	return &linkCgroup{*link}, nil56}57type progAttachCgroup struct {58	cgroup     *os.File59	current    *ebpf.Program60	attachType ebpf.AttachType61	flags      cgroupAttachFlags62}63var _ Link = (*progAttachCgroup)(nil)64func (cg *progAttachCgroup) isLink() {}65func newProgAttachCgroup(cgroup *os.File, attach ebpf.AttachType, prog *ebpf.Program, flags cgroupAttachFlags) (*progAttachCgroup, error) {66	if flags&flagAllowMulti > 0 {67		if err := haveProgAttachReplace(); err != nil {68			return nil, fmt.Errorf("can't support multiple programs: %w", err)69		}70	}71	err := RawAttachProgram(RawAttachProgramOptions{72		Target:  int(cgroup.Fd()),73		Program: prog,74		Flags:   uint32(flags),75		Attach:  attach,76	})77	if err != nil {78		return nil, fmt.Errorf("cgroup: %w", err)79	}80	return &progAttachCgroup{cgroup, prog, attach, flags}, nil81}82func (cg *progAttachCgroup) Close() error {83	defer cg.cgroup.Close()84	defer cg.current.Close()85	err := RawDetachProgram(RawDetachProgramOptions{86		Target:  int(cg.cgroup.Fd()),87		Program: cg.current,88		Attach:  cg.attachType,89	})90	if err != nil {91		return fmt.Errorf("close cgroup: %s", err)92	}93	return nil94}95func (cg *progAttachCgroup) Update(prog *ebpf.Program) error {96	new, err := prog.Clone()97	if err != nil {98		return err99	}100	args := RawAttachProgramOptions{101		Target:  int(cg.cgroup.Fd()),102		Program: prog,103		Attach:  cg.attachType,104		Flags:   uint32(cg.flags),105	}106	if cg.flags&flagAllowMulti > 0 {107		// Atomically replacing multiple programs requires at least108		// 5.5 (commit 7dd68b3279f17921 "bpf: Support replacing cgroup-bpf109		// program in MULTI mode")110		args.Flags |= uint32(flagReplace)111		args.Replace = cg.current112	}113	if err := RawAttachProgram(args); err != nil {114		new.Close()115		return fmt.Errorf("can't update cgroup: %s", err)116	}117	cg.current.Close()118	cg.current = new119	return nil120}...

flags

Using AI Code Generation

1import (2func main() {3    wordPtr := flag.String("word", "foo", "a string")4    numPtr := flag.Int("num", 42, "an int")5    boolPtr := flag.Bool("fork", false, "a bool")6    flag.StringVar(&svar, "svar", "bar", "a string var")7    flag.Parse()8    fmt.Println("word:", *wordPtr)9    fmt.Println("num:", *numPtr)10    fmt.Println("fork:", *boolPtr)11    fmt.Println("svar:", svar)12    fmt.Println("tail:", flag.Args())13}14import (15func main() {16    flag.StringVar(&svar, "svar", "bar", "a string var")17    flag.Parse()18    fmt.Println("svar:", svar)19    fmt.Println("tail:", flag.Args())20}21import (22func main() {23    flag.StringVar(&svar, "svar", "bar", "a string var")24    flag.Parse()25    fmt.Println("svar:", svar)26    fmt.Println("tail:", flag.Args())27}28import (29func main() {30    flag.StringVar(&svar, "svar", "bar", "a string var")31    flag.Parse()32    fmt.Println("svar:", svar)33    fmt.Println("tail:", flag.Args())34}35import (36func main() {37    flag.StringVar(&svar, "svar", "bar", "a string var")38    flag.Parse()39    fmt.Println("svar:", svar)40    fmt.Println("tail:", flag.Args())41}42import (

flags

Using AI Code Generation

1import (2func main() {3	var name = flag.String("name", "everyone", "The greeting object.")4	flag.Parse()5	fmt.Printf("Hello, %v!6}7import (8func main() {9	var name = flag.String("name", "everyone", "The greeting object.")10	flag.BoolVar(&spanish, "spanish", false, "Use Spanish language.")11	flag.Parse()12	if spanish {13		fmt.Printf("Hola, %v!14	} else {15		fmt.Printf("Hello, %v!16	}17}18import (19func main() {20	var name = flag.String("name", "everyone", "The greeting object.")21	flag.BoolVar(&spanish, "spanish", false, "Use Spanish language.")22	flag.Parse()23	if spanish {24		fmt.Printf("Hola, %v!25	} else {26		fmt.Printf("Hello, %v!27	}28}29import (30func main() {31	var name = flag.String("name", "everyone", "The greeting object.")32	flag.BoolVar(&spanish, "spanish", false, "Use Spanish language.")33	flag.Parse()34	if spanish {35		fmt.Printf("Hola, %v!36	} else {37		fmt.Printf("Hello, %v!38	}39}40import (41func main() {42	var name = flag.String("name", "everyone", "The greeting object.")43	flag.BoolVar(&spanish, "spanish", false, "Use Spanish language.")44	flag.Parse()45	if spanish {46		fmt.Printf("Hola, %v!47	} else {48		fmt.Printf("Hello, %v!49	}50}

flags

Using AI Code Generation

1import (2func main() {3	var name = flag.String("name", "everyone", "The greeting object.")4	flag.Parse()5	fmt.Printf("Hello, %s!6}7import (8func main() {9	var name = flag.String("name", "everyone", "The greeting object.")10	flag.BoolVar(&spanish, "spanish", false, "Use Spanish language.")11	flag.Parse()12	if spanish {13		fmt.Printf("Hola, %s!14	} else {15		fmt.Printf("Hello, %s!16	}17}18import (19func init() {20	flag.StringVar(&name, "name", "everyone", "The greeting object.")21}22func main() {23	flag.Parse()24	fmt.Printf("Hello, %s!25}26import (27func init() {28	flag.StringVar(&name, "name", "everyone", "The greeting object.")29}30func main() {31	flag.Parse()32	if flag.NArg() > 0 {33		fmt.Println("The following people greeted:")34		for _, arg := range flag.Args() {35			fmt.Printf("Hello, %s!36		}37	} else {38		fmt.Printf("Hello, %s!39	}40}41import (42func init() {43	flag.StringVar(&name, "name", "everyone", "The greeting object.")44}45func main() {46	flag.Parse()47	if flag.NArg() > 0 {48		fmt.Println("The following people greeted:")49		for _, arg := range flag.Args() {50			fmt.Printf("Hello, %s!51		}52	} else {53		fmt.Printf("Hello, %s!54	}55}

flags

Using AI Code Generation

1import (2func main() {3	fooValue := flag.String("foo", "bar", "a string")4	numbPtr := flag.Int("numb", 42, "an int")5	boolPtr := flag.Bool("fork", false, "a bool")6	flag.StringVar(&svar, "svar", "bar", "a string var")7	flag.Parse()8	fmt.Println("foo:", *fooValue)9	fmt.Println("numb:", *numbPtr)10	fmt.Println("fork:", *boolPtr)11	fmt.Println("svar:", svar)12	fmt.Println("tail:", flag.Args())13}14import (15func main() {16	var foo = flag.String("foo", "bar", "a string")17	var numb = flag.Int("numb", 42, "an int")18	var bool = flag.Bool("fork", false, "a bool")19	flag.Parse()20	fmt.Println("foo:", *foo)21	fmt.Println("numb:", *numb)22	fmt.Println("fork:", *bool)23}24import (25func main() {26	var foo = flag.String("foo",

flags

Using AI Code Generation

1import "fmt"2import "os"3import "flag"4func main(){5  flag.Parse()6  fmt.Println("hello",flag.Arg(0))7}8import "fmt"9import "os"10import "flag"11func main(){12  flag.Parse()13  fmt.Println("hello",flag.Args())14}15import "fmt"16import "os"17import "flag"18func main(){19  flag.Parse()20  fmt.Println("hello",flag.Args())21}22import "fmt"23import "os"24import "flag"25func main(){26  flag.Parse()27  fmt.Println("hello",flag.Args())28}29import "fmt"30import "os"31import "flag"32func main(){33  flag.Parse()34  fmt.Println("hello",flag.Args())35}36import "fmt"37import "os"38import "flag"39func main(){40  flag.Parse()41  fmt.Println("hello",flag.Args())42}43import "fmt"44import "os"45import "flag"46func main(){47  flag.Parse()48  fmt.Println("hello",flag.Args())49}50import "fmt"51import "os"52import "flag"53func main(){54  flag.Parse()55  fmt.Println("hello",

flags

Using AI Code Generation

1import (2var (3    name   = flag.String("name", "default name", "name of user")4    age    = flag.Int("age", 18, "age of user")5    height = flag.Float64("height", 5.5, "height of user")6    married = flag.Bool("married", false, "married status")7    skills = flag.String("skills", "none", "skills of user")8func main() {9    flag.Parse()10    fmt.Println("Name:", *name)11    fmt.Println("Age:", *age)12    fmt.Println("Height:", *height)13    fmt.Println("Married:", *married)14    fmt.Println("Skills:", *skills)15    fmt.Println("Remaining args:", flag.Args())16}17import (18var (19    name   = pflag.String("name", "default name", "name of user")20    age    = pflag.Int("age", 18, "age of user")21    height = pflag.Float64("height", 5.5, "height of user")22    married = pflag.Bool("married", false, "married status")23    skills = pflag.String("skills", "none", "skills of user")24func main() {25    pflag.Parse()26    fmt.Println("Name:", *name)27    fmt.Println("Age:", *age)28    fmt.Println("Height:", *height)29    fmt.Println("Married:", *married)30    fmt.Println("Skills:", *skills)31    fmt.Println("Remaining args:", pflag.Args())32}33import (34var (35func main() {36    var rootCmd = &cobra.Command{Use: "app"}37    rootCmd.PersistentFlags().StringVar(&name, "name", "default name", "name of user")38    rootCmd.PersistentFlags().IntVar(&age, "age",

flags

Using AI Code Generation

1import (2func main() {3	var name = flag.String("name", "everyone", "The greeting object.")4	flag.Parse()5	fmt.Printf("Hello, %v!6}7        The greeting object. (default "everyone")

flags

Using AI Code Generation

1import (2func main() {3	server := flag.String("server", "localhost", "server address")4	port := flag.Int("port", 8080, "server port")5	debug := flag.Bool("debug", false, "debug mode")6	flag.Parse()7	fmt.Println("Server:", *server)8	fmt.Println("Port:", *port)9	fmt.Println("Debug:", *debug)10}11        server port (default 8080)12        server address (default "localhost")13        server port (default 80)14        server address (default "localhost")

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