11 releases
0.2.2 | Jun 25, 2024 |
---|---|
0.2.1 | Jun 21, 2024 |
0.1.9 | Jun 21, 2024 |
#300 in Concurrency
12KB
135 lines
Rcu128
Rcu128 is a Rust library that provides a concurrent data structure for read-copy-update (RCU) style access to a value. It allows multiple readers to access the value concurrently while ensuring safe updates by blocking the release of the value until all current readers have finished reading the old value.
Limitation
Only available on platforms that support atomic loads and stores of u128.
Usage
Add to your Cargo.toml
[dependencies]
rcu_128 = { git = "https://github.com/cyborg42/rcu_128.git" }
Example
use rcu_128::RcuCell;
fn main() {
let rcu_cell = RcuCell::new(42);
// Read the value
{
let guard = rcu_cell.read();
assert_eq!(*guard, 42);
}
// Write a new value
rcu_cell.write(100);
// Upate with a function
rcu_cell.update(|value| value + 1);
// Read the updated value
{
let guard = rcu_cell.read();
assert_eq!(*guard, 101);
}
}
License
This project is licensed under the MIT License. See the LICENCE file for details.
Dependencies
~0.4–6MB
~11K SLoC