27 lines
550 B
Rust
27 lines
550 B
Rust
use pyo3::prelude::*;
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use std::rc::Rc;
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#[pyclass]
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struct NotThreadSafe {
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data: Rc<i32>,
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}
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fn main() {
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let obj = Python::with_gil(|py| {
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PyCell::new(py, NotThreadSafe { data: Rc::new(5) })
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.unwrap()
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.to_object(py)
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});
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std::thread::spawn(move || {
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Python::with_gil(|py| {
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// Uh oh, moved Rc to a new thread!
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let c: &PyCell<NotThreadSafe> = obj.as_ref(py).downcast().unwrap();
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assert_eq!(*c.borrow().data, 5);
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})
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})
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.join()
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.unwrap();
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}
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