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// no-prefer-dynamic
#![feature(allocator_api)]
#![crate_type = "rlib"]
use std::alloc::{GlobalAlloc, System, Layout};
use std::sync::atomic::{AtomicUsize, Ordering};
pub struct A(pub AtomicUsize);
unsafe impl GlobalAlloc for A {
unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
self.0.fetch_add(1, Ordering::SeqCst);
System.alloc(layout)
}
unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
self.0.fetch_add(1, Ordering::SeqCst);
System.dealloc(ptr, layout)
}
}
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