Function reinit_std_streams_after_fork

crates/vm/src/stdlib/_io.rs:5003–5010

(vm: &VirtualMachine)

    /// after `fork()`, before any other thread is created.
    #[cfg(all(unix, feature = "threading"))]
    pub unsafe fn reinit_std_streams_after_fork(vm: &VirtualMachine) {
        for name in ["stdin", "stdout", "stderr"] {
            let Ok(stream) = vm.sys_module.get_attr(name, vm) else {
                continue;
            };
            reinit_io_locks(&stream);
        }
    }

    #[cfg(all(unix, feature = "threading"))]
    fn reinit_io_locks(obj: &PyObject) {