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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/allocator/auxiliary/custom.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/allocator/auxiliary/custom.rs')
-rw-r--r--src/test/ui/allocator/auxiliary/custom.rs21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/allocator/auxiliary/custom.rs b/src/test/ui/allocator/auxiliary/custom.rs
new file mode 100644
index 000000000..b0ec9ab09
--- /dev/null
+++ b/src/test/ui/allocator/auxiliary/custom.rs
@@ -0,0 +1,21 @@
+// 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)
+ }
+}