Struct MemoryMappedFileBuilder 

pub struct MemoryMappedFileBuilder { /* private fields */ }

Builder for MemoryMappedFile construction with options.

Implementations

impl MemoryMappedFileBuilder

pub fn size(self, size: u64) -> Self

Specify the size (required for create/ReadWrite new files).

pub fn mode(self, mode: MmapMode) -> Self

Specify the mode (ReadOnly, ReadWrite, CopyOnWrite).

pub fn flush_policy(self, policy: FlushPolicy) -> Self

Specify the flush policy.

pub fn touch_hint(self, hint: TouchHint) -> Self

Specify when to touch (prewarm) memory pages.

pub fn huge_pages(self, enable: bool) -> Self

Request Huge Pages (Linux MAP_HUGETLB). No-op on non-Linux platforms.

pub fn create(self) -> Result<MemoryMappedFile>

Create a new mapping; for ReadWrite requires size for creation.

pub fn open(self) -> Result<MemoryMappedFile>

Open an existing file with provided mode (size ignored).