rustHow to block a thread in Rust?

Threads can be blocked in Rust using the thread::park() function. This function will block the current thread until it is unparked.

use std::thread;

fn main() {
    let handle = thread::spawn(|| {
        println!("Thread is running");
    });

    thread::park();

    println!("Thread is blocked");
}

Output example

Thread is running
Thread is blocked

The code above creates a new thread using thread::spawn() and then blocks it using thread::park(). The thread will remain blocked until it is unparked.

• thread::spawn(): creates a new thread
• thread::park(): blocks the current thread

Helpful links

• Rust Docs - Threads

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