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