jsapi threading

Cargo.toml

[package]
name = "test"
version = "0.1.0"
authors = ["Ms2ger <Ms2ger@gmail.com>"]

[[bin]]
path = "main.rs"
name = "test"

[dependencies.js]
git = "https://github.com/servo/rust-mozjs"
features = ["debugmozjs"]

main.rs

extern crate js;

use js::jsapi::{JS_Init, JS_NewRuntime};
use std::thread;
use std::ptr;

fn create_runtime() {
    unsafe {
        JS_NewRuntime(0x2000000, 0x100000, ptr::null_mut());
    }
    println!("Created");
}

fn main() {
    println!("Hello, world!");
    assert!(unsafe { JS_Init() });
    let x = thread::spawn(create_runtime);
    let y = thread::spawn(create_runtime);
    let z = thread::spawn(create_runtime);
    x.join().unwrap();
    y.join().unwrap();
    z.join().unwrap();
}