mmap

package

v0.0.5 Latest Latest Go to latest Published: Nov 2, 2020 License: Apache-2.0 Imports: 4 Imported by: 0

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Repository

github.com/beehivedb/go-common

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Documentation ¶

Overview ¶

Index ¶

func Lock(data []byte) error
func Random(data []byte) error
func Unlock(data []byte) error
type Mmap
- func NewRO(f *os.File) (Mmap, error)
- func NewRW(f *os.File) (Mmap, error)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Lock ¶

func Lock(data []byte) error

Lock locks all the mapped memory to RAM, preventing the pages from swapping out.

func Random ¶

func Random(data []byte) error

Random Access Memory Random.

func Unlock ¶

func Unlock(data []byte) error

Unlock unlocks the mapped memory from RAM, enabling swapping out of RAM if required.

Types ¶

type Mmap ¶

type Mmap interface {
	Open(offset int64, size int) error
	Close() error
	Flush() error
	ReadAt(dest []byte, offset int64) (int, error)
	WriteAt(src []byte, offset int64) (int, error)
}

Mmap map file to memory.

func NewRO ¶

func NewRO(f *os.File) (Mmap, error)

NewRO create new Read Only Mmap instance.

func NewRW ¶

func NewRW(f *os.File) (Mmap, error)

NewRW create new read and write mmap.

Source Files ¶

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