mmap_io/
flush.rs

1#![allow(dead_code)]
2//! Flush policy configuration for MemoryMappedFile.
3//!
4//! Controls when writes to a RW mapping should be flushed to disk.
5
6/// Policy controlling when to flush dirty pages to disk.
7#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
8pub enum FlushPolicy {
9    /// Never flush implicitly; flush() must be called by the user.
10    #[default]
11    Never,
12    /// Alias of Never for semantic clarity when using the builder API.
13    Manual,
14    /// Flush after every write/update_region call.
15    Always,
16    /// Flush when at least N bytes have been written since the last flush.
17    EveryBytes(usize),
18    /// Flush after every W writes (calls to update_region).
19    EveryWrites(usize),
20    /// Reserved for future time-based flushing (no-op for now).
21    EveryMillis(u64),
22}
23
mmap_io/flush.rs

mmap_io/
flush.rs
