39 lines
712 B
Rust
39 lines
712 B
Rust
#![no_main]
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struct Point {
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x: u32,
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y: u32,
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}
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rt::rwlock!(POINT, Point, Point { x: 0, y: 0 });
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fn reader() {
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rt::task::drop_privilege();
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loop {
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let p = POINT.read();
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assert_eq!(p.x, p.y, "point coordinates did not match");
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}
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}
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fn writer() {
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rt::task::drop_privilege();
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loop {
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let mut p = POINT.write();
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p.x += 1;
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p.y += 1;
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drop(p);
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rt::task::sleep(1);
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}
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}
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fn timeout() {
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rt::task::drop_privilege();
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rt::task::sleep(50);
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rt::trap();
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}
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rt::task!(reader, rt::task::STACK_MIN, 1);
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rt::task!(reader, rt::task::STACK_MIN, 1);
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rt::task!(writer, rt::task::STACK_MIN, 1);
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rt::task!(timeout, rt::task::STACK_MIN, 2);
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