视频地址
头条地址:https://www.ixigua.com/i6775861706447913485
B站地址:https://www.bilibili.com/video/av81202308/
源码地址
github地址:https://github.com/anonymousGiga/learn_rust
讲解内容
1、创建线程
(1)方法:调用thread::spawn即可
(2)例子:
use std::thread;
use std::time::Duration;
fn main() {
thread::spawn(|| {
for i in 1..10 {
println!("hi number {} from the spawned thread!", i);
thread::sleep(Duration::from_millis(1));
}
});
for i in 1..5 {
println!("hi number {} from the main thread!", i);
thread::sleep(Duration::from_millis(1));
}
}
2、等待线程结束
上面的例子中,在主线程结束之前并不能保证所有子线程都结束了(主线程提前结束,就不能保证这些子线程都执行了),因此通过以下方法等待子线程结束。
(1)方法:join
(2)例子1:
use std::thread;
use std::time::Duration;
fn main() {
let handle = thread::spawn(|| {
for i in 1..10 {
println!("hi number {} from the spawned thread!", i);
thread::sleep(Duration::from_millis(1));
}
});
for i in 1..5 {
println!("hi number {} from the main thread!", i);
thread::sleep(Duration::from_millis(1));
}
handle.join().unwrap();
}
(3)例子2:
use std::thread;
use std::time::Duration;
fn main() {
let handle = thread::spawn(|| {
for i in 1..10 {
println!("hi number {} from the spawned thread!", i);
thread::sleep(Duration::from_millis(1));
}
});
handle.join().unwrap();
for i in 1..5 {
println!("hi number {} from the main thread!", i);
thread::sleep(Duration::from_millis(1));
}
}
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