foo

core/mem/virt.c

@@ -1,18 +1,19 @@
 #include <zinnia/alloc.h>
-#include <zinnia/atomic.h>
 #include <zinnia/utils.h>
 #include <zinnia/virt.h>
+#include <stdatomic.h>
 #include <stddef.h>
 
 struct page* vm_pfndb = nullptr;
 
 // TODO: Replace with actual allocator.
 
-static size_t mapping_offset = 0;
+static _Atomic(size_t) mapping_offset = 0;
 
 uintptr_t vm_alloc(size_t length) {
     uintptr_t base = arch_mem_mapping_addr();
-    size_t offset = atomic_fetch_add(&mapping_offset, ALIGN_UP(length, arch_mem_page_size()), ATOMIC_ACQUIRE);
+    size_t offset =
+        atomic_fetch_add_explicit(&mapping_offset, ALIGN_UP(length, arch_mem_page_size()), memory_order_acquire);
 
     return base + offset;
 }