Module flock 

File-locking support.

This module defines the Filesystem type which is an abstraction over a filesystem, ensuring that access to the filesystem is only done through coordinated locks.

The FileLock type represents a locked file, and provides access to the file.

Re-exports

use std::fs::TryLockError; 🔒

use std::fs::File; 🔒

use std::fs::OpenOptions; 🔒

use std::io; 🔒

use std::io::Read; 🔒

use std::io::Seek; 🔒

use std::io::SeekFrom; 🔒

use std::io::Write; 🔒

use std::path::Display; 🔒

use std::path::Path; 🔒

use std::path::PathBuf; 🔒

use crate::util::GlobalContext; 🔒

use crate::util::errors::CargoResult; 🔒

use crate::util::style; 🔒

use anyhow::Context as _; 🔒

use cargo_util::paths; 🔒

pub(crate) use self::imp::lock_exclusive; 🔒

pub(crate) use self::imp::lock_shared; 🔒

pub(crate) use self::imp::try_lock_exclusive; 🔒

pub(crate) use self::imp::try_lock_shared; 🔒

pub(crate) use self::imp::unlock; 🔒

Modules

imp 🔒

Structs

FileLock

A locked file.

Filesystem

A “filesystem” is intended to be a globally shared, hence locked, resource in Cargo.

Functions

acquire 🔒

Acquires a lock on a file in a “nice” manner.

error_unsupported 🔒

is_on_nfs_mount

try_acquire 🔒