rust-out-of-tree-module/rust_out_of_tree.rs

38 lines
817 B
Rust

// SPDX-License-Identifier: GPL-2.0
//! Rust out-of-tree sample
#![no_std]
#![feature(allocator_api, global_asm)]
use kernel::prelude::*;
module! {
type: RustOutOfTree,
name: b"rust_out_of_tree",
author: b"Rust for Linux Contributors",
description: b"Rust out-of-tree sample",
license: b"GPL v2",
}
struct RustOutOfTree {
message: String,
}
impl KernelModule for RustOutOfTree {
fn init(_name: &'static CStr, _module: &'static ThisModule) -> Result<Self> {
pr_info!("Rust out-of-tree sample (init)\n");
Ok(RustOutOfTree {
message: "on the heap!".try_to_owned()?,
})
}
}
impl Drop for RustOutOfTree {
fn drop(&mut self) {
pr_info!("My message is {}\n", self.message);
pr_info!("Rust out-of-tree sample (exit)\n");
}
}