Function os_error

crates/stdlib/src/multiprocessing.rs:1132–1141

(vm: &VirtualMachine, err: Errno)

    }

    fn os_error(vm: &VirtualMachine, err: Errno) -> PyBaseExceptionRef {
        // _PyMp_SetError maps to PyErr_SetFromErrno
        let exc_type = match err {
            Errno::EEXIST => vm.ctx.exceptions.file_exists_error.to_owned(),
            Errno::ENOENT => vm.ctx.exceptions.file_not_found_error.to_owned(),
            _ => vm.ctx.exceptions.os_error.to_owned(),
        };
        vm.new_os_subtype_error(exc_type, Some(err as i32), err.desc().to_owned())
            .upcast()
    }

    /// Get current thread identifier.
    /// PyThread_get_thread_ident on Unix (pthread_self).