38 lines
1.0 KiB
Rust
38 lines
1.0 KiB
Rust
|
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
|
||
|
// file at the top-level directory of this distribution and at
|
||
|
// http://rust-lang.org/COPYRIGHT.
|
||
|
//
|
||
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||
|
// option. This file may not be copied, modified, or distributed
|
||
|
// except according to those terms.
|
||
|
|
||
|
// Tests that it is possible to create a global allocator in a submodule, rather than in the crate
|
||
|
// root.
|
||
|
|
||
|
#![feature(alloc, allocator_api, global_allocator)]
|
||
|
|
||
|
extern crate alloc;
|
||
|
|
||
|
use std::alloc::{GlobalAlloc, Layout, Opaque};
|
||
|
|
||
|
struct MyAlloc;
|
||
|
|
||
|
unsafe impl GlobalAlloc for MyAlloc {
|
||
|
unsafe fn alloc(&self, layout: Layout) -> *mut Opaque {
|
||
|
0 as usize as *mut Opaque
|
||
|
}
|
||
|
|
||
|
unsafe fn dealloc(&self, ptr: *mut Opaque, layout: Layout) {}
|
||
|
}
|
||
|
|
||
|
mod submod {
|
||
|
use super::MyAlloc;
|
||
|
|
||
|
#[global_allocator]
|
||
|
static MY_HEAP: MyAlloc = MyAlloc;
|
||
|
}
|
||
|
|
||
|
fn main() {}
|