mmap

package

v0.0.1 Latest Latest Go to latest Published: Aug 23, 2021 License: Apache-2.0 Imports: 3 Imported by: 0

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Valid go.mod file
Redistributable license
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Stable version
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Repository

github.com/php2go/netpollmux

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Documentation ¶

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Index ¶

Constants
func Fd(f *os.File) int
func Fsize(f *os.File) int
func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error)
func Msync(b []byte) (err error)
func Munmap(b []byte) (err error)
func Offset(offset int64) int64
func Open(fd int, offset int64, length int, p Prot) (data []byte, err error)
func ProtFlags(p Prot) (prot int, flags int)
type Prot

Constants ¶

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const (
	PAGE_READONLY          = syscall.PAGE_READONLY
	PAGE_READWRITE         = syscall.PAGE_READWRITE
	PAGE_WRITECOPY         = syscall.PAGE_WRITECOPY
	PAGE_EXECUTE_READ      = syscall.PAGE_EXECUTE_READ
	PAGE_EXECUTE_READWRITE = syscall.PAGE_EXECUTE_READWRITE
	PAGE_EXECUTE_WRITECOPY = syscall.PAGE_EXECUTE_WRITECOPY

	FILE_MAP_COPY    = syscall.FILE_MAP_COPY
	FILE_MAP_WRITE   = syscall.FILE_MAP_WRITE
	FILE_MAP_READ    = syscall.FILE_MAP_READ
	FILE_MAP_EXECUTE = syscall.FILE_MAP_EXECUTE
)

Variables ¶

This section is empty.

Functions ¶

func Fd ¶

func Fd(f *os.File) int

Fd returns the integer file descriptor referencing the open file. The file descriptor is valid only until f.Close is called or f is garbage collected.

func Fsize ¶

func Fsize(f *os.File) int

Fsize returns the file size.

func Mmap ¶

func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error)

Mmap calls the mmap system call.

func Msync ¶

func Msync(b []byte) (err error)

Msync calls the msync system call.

func Munmap ¶

func Munmap(b []byte) (err error)

Munmap calls the munmap system call.

func Offset ¶

func Offset(offset int64) int64

Offset returns the valid offset.

func Open ¶

func Open(fd int, offset int64, length int, p Prot) (data []byte, err error)

Open opens a mmap

func ProtFlags ¶

func ProtFlags(p Prot) (prot int, flags int)

ProtFlags returns prot and flags by Prot p.

Types ¶

type Prot ¶

type Prot int

Prot is the protection flag.

const (
	// READ represents the read prot
	READ Prot = 1 << iota
	// WRITE represents the write prot
	WRITE
	// COPY represents the copy prot
	COPY
	// EXEC represents the exec prot
	EXEC
)

Source Files ¶

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