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How to use CloseSharedMemFile method of osutil Package

Best Syzkaller code snippet using osutil.CloseSharedMemFile

osutil_unix.go

Source:osutil_unix.go

...99		return100	}101	if err = f.Truncate(int64(size)); err != nil {102		err = fmt.Errorf("failed to truncate shared mem file: %v", err)103		CloseSharedMemFile(f)104		return105	}106	mem, err = syscall.Mmap(int(f.Fd()), 0, size, syscall.PROT_READ|syscall.PROT_WRITE, syscall.MAP_SHARED)107	if err != nil {108		err = fmt.Errorf("failed to mmap shm file: %v", err)109		CloseSharedMemFile(f)110	}111	return112}113// CloseMemMappedFile destroys memory mapping created by CreateMemMappedFile.114func CloseMemMappedFile(f *os.File, mem []byte) error {115	err1 := syscall.Munmap(mem)116	err2 := CloseSharedMemFile(f)117	switch {118	case err1 != nil:119		return err1120	case err2 != nil:121		return err2122	default:123		return nil124	}125}...

sharedmem_file.go

Source:sharedmem_file.go

...22		os.Remove(fname)23	}24	return25}26func CloseSharedMemFile(f *os.File) error {27	err1 := f.Close()28	err2 := os.Remove(f.Name())29	switch {30	case err1 != nil:31		return err132	case err2 != nil:33		return err234	default:35		return nil36	}37}...

sharedmem_memfd.go

Source:sharedmem_memfd.go

...18	}19	f = os.NewFile(uintptr(fd), fmt.Sprintf("/proc/self/fd/%d", fd))20	return21}22func CloseSharedMemFile(f *os.File) error {23	return f.Close()24}...

CloseSharedMemFile

Using AI Code Generation

1import (2func main() {3    fmt.Println("Starting the application")4    shmFile, err := osutil.CreateSharedMemFile("SharedMemFile", 1024)5    if err != nil {6        fmt.Println("Error in creating shared memory file: ", err)7    }8    defer shmFile.CloseSharedMemFile()9    _, err = shmFile.Write([]byte("Hello World"))10    if err != nil {11        fmt.Println("Error in writing to shared memory file: ", err)12    }13    c := make(chan os.Signal, 1)14    signal.Notify(c, os.Interrupt, syscall.SIGTERM)15}16import (17func main() {18    fmt.Println("Starting the application")19    shmFile, err := osutil.CreateSharedMemFile("SharedMemFile", 1024)20    if err != nil {21        fmt.Println("Error in creating shared memory file: ", err)22    }23    defer shmFile.CloseSharedMemFile()24    _, err = shmFile.Write([]byte("Hello World"))25    if err != nil {26        fmt.Println("Error in writing to shared memory file: ", err)27    }28    c := make(chan os.Signal, 1)29    signal.Notify(c, os.Interrupt, syscall.SIGTERM)30}31import (32const (

CloseSharedMemFile

Using AI Code Generation

1import (2func main() {3	err := ui.Main(func() {4		mainwin := ui.NewWindow("Hello", 200, 200, false)5		mainwin.SetMargined(true)6		button := ui.NewButton("Click")7		button.OnClicked(func(*ui.Button) {

CloseSharedMemFile

Using AI Code Generation

1import (2func main() {3	file, err := os.Open("test.txt")4	if err != nil {5		fmt.Println("Error in opening file")6	}7	defer file.Close()8	_, err = file.Write([]byte("Hello, World!"))9	if err != nil {10		fmt.Println("Error in writing file")11	}12	err = syscall.CloseSharedMemFile(file.Fd())13	if err != nil {14		fmt.Println("Error in closing file")15	}16}17import (18type Game struct {19}20type Player struct {21}22func (g *Game) AddPlayer(p *Player) {23	g.Players = append(g.Players, p)24}25func main() {26	g := Game{}27	p := Player{Name: "John"}28	g.AddPlayer(&p)29	fmt.Println(g.Players[0])30}31import (

CloseSharedMemFile

Using AI Code Generation

1import (2func main() {3	f, err := os.Create("/tmp/test")4	if err != nil {5		fmt.Println(err)6	}7	err = syscall.CloseSharedMemFile(f)8	if err != nil {9		fmt.Println(err)10	}11}12How to use os.Chdir() in Golang?13How to use os.Chmod() in Golang?14How to use os.Chown() in Golang?15How to use os.Create() in Golang?16How to use os.Chtimes() in Golang?17How to use os.Exit() in Golang?18How to use os.Expand() in Golang?19How to use os.ExpandEnv() in Golang?20How to use os.Getenv() in Golang?21How to use os.Getwd() in Golang?22How to use os.Hostname() in Golang?23How to use os.IsNotExist() in Golang?24How to use os.IsPathSeparator() in Golang?25How to use os.IsPermission() in Golang?26How to use os.Link() in Golang?27How to use os.Lstat() in Golang?28How to use os.Mkdir() in Golang?29How to use os.MkdirAll() in Golang?

CloseSharedMemFile

Using AI Code Generation

1import (2func main() {3	shm, err = osutil.NewSharedMemFile("2.go", 0x1000)4	if err != nil {5		fmt.Println(err)6	}7	defer shm.CloseSharedMemFile()8}9import (10func main() {11	shm, err = osutil.NewSharedMemFile("3.go", 0x1000)12	if err != nil {13		fmt.Println(err)14	}15	defer shm.CloseSharedMemFile()16}17import (18func main() {19	shm, err = osutil.NewSharedMemFile("4.go", 0x1000)20	if err != nil {21		fmt.Println(err)22	}23	defer shm.CloseSharedMemFile()24}25import (26func main() {27	shm, err = osutil.NewSharedMemFile("5.go", 0x1000)28	if err != nil {29		fmt.Println(err)30	}31	defer shm.CloseSharedMemFile()32}33import (34func main() {35	shm, err = osutil.NewSharedMemFile("6.go", 0x1000)36	if err != nil {37		fmt.Println(err)38	}39	defer shm.CloseSharedMemFile()40}

CloseSharedMemFile

Using AI Code Generation

1import (2func main() {3	shm, err := utils.NewSharedMemFile("test", 1024)4	if err != nil {5		fmt.Println(err)6	}7	defer shm.CloseSharedMemFile()8	fmt.Println("Shared memory file opened successfully")9}10import (11func main() {12	shm, err := utils.NewSharedMemFile("test", 1024)13	if err != nil {14		fmt.Println(err)15	}16	defer shm.CloseSharedMemFile()17	fmt.Println("Shared memory file opened successfully")18	shm.Write([]byte("hello world"))19}20import (21func main() {22	shm, err := utils.NewSharedMemFile("test",

CloseSharedMemFile

Using AI Code Generation

1func main() {2    f, err := osutil.CreateSharedMemFile("shmtest", 0666, 1024)3    if err != nil {4        fmt.Printf("Error creating file: %v5    }6    defer f.Close()7    n, err := f.Write([]byte("This is a test."))8    if err != nil {9        fmt.Printf("Error writing to file: %v10    }11    err = f.CloseSharedMemFile()12    if err != nil {13        fmt.Printf("Error closing file: %v14    }15    f, err = osutil.OpenSharedMemFile("shmtest")16    if err != nil {17        fmt.Printf("Error opening file: %v18    }19    defer f.Close()20    buf := make([]byte, 1024)21    n, err = f.Read(buf)22    if err != nil {23        fmt.Printf("Error reading from file: %v24    }25    fmt.Printf("Read %d bytes from file: %s26}

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