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memmap2

Cross-platform Rust API for memory-mapped file IO

by Dan Burkert and 23 contributors. Owned by Yevhenii Reizner.

12 unstable releases (4 breaking)

0.5.3 Feb 10, 2022
0.5.0 Sep 19, 2021
0.3.0 Jun 10, 2021
0.2.1 Feb 8, 2021
0.1.0 Jan 18, 2020

#3 in Memory management

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670,630 downloads per month
Used in 936 crates (100 directly)

MIT/Apache

90KB
1.5K SLoC

memmap2

Build Status Crates.io Documentation Rust 1.36+

A Rust library for cross-platform memory mapped IO.

This is a fork of the memmap-rs crate.

Features

  • file-backed memory maps
  • anonymous memory maps
  • synchronous and asynchronous flushing
  • copy-on-write memory maps
  • read-only memory maps
  • stack support (MAP_STACK on unix)
  • executable memory maps
  • huge page support

A list of supported/tested targets can be found in Actions.

License

memmap2 is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0).

See LICENSE-APACHE, LICENSE-MIT for details.

Copyright (c) 2020 Yevhenii Reizner

Copyright (c) 2015 Dan Burkert

Dependencies