Function acquire_mut

src/borrow/shared.rs:188–199

(py: Python<'py>, array: *mut PyArrayObject)

}

pub fn acquire_mut<'py>(py: Python<'py>, array: *mut PyArrayObject) -> Result<(), BorrowError> {
    let shared = get_or_insert_shared(py).expect("Internal borrow checking API error");

    let rc = unsafe { (shared.acquire_mut)(shared.flags, array) };

    match rc {
        0 => Ok(()),
        -1 => Err(BorrowError::AlreadyBorrowed),
        -2 => Err(BorrowError::NotWriteable),
        rc => panic!("Unexpected return code {rc} from borrow checking API"),
    }
}

pub fn release<'py>(py: Python<'py>, array: *mut PyArrayObject) {
    let shared = get_or_insert_shared(py).expect("Internal borrow checking API error");