mmap

package

v0.0.0-...-5dfeaac Latest Latest Go to latest Published: Nov 30, 2021 License: MIT Imports: 6 Imported by: 0

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var (
	ErrUnmappedMemory  = errors.New("unmapped memory")
	ErrIndexOutOfBound = errors.New("offset out of mapped region")
)

func Close(data []byte) error

func Open(path string, writable bool, length int64) (data []byte, err error)

length is provide when writable for creation

type MMFile struct {
	// contains filtered or unexported fields
}

File reads/writes a memory-mapped file.

func (m *MMFile) Close() error

func (m *MMFile) Flush(flags int) error

func (m *MMFile) Len() int64

func (m *MMFile) Open() error

func (m *MMFile) ReadAt(dest []byte, offset int64) (int, error)

func (m *MMFile) ReadUint64At(offset int64) uint64

func (m *MMFile) WriteAt(src []byte, offset int64) (int, error)

func (m *MMFile) WriteUint64At(num uint64, offset int64)

WriteUint64At writes num at offset.