Use atomics for memory use tracking

Plus:
- An allocation is counted only after checking its success.
- Max usage is updated after growing reallocs as well.
- Drop unused header.
- Changed the 0xFFF.. at get_mem_available() to -1 with a comment telling it's the same, but more universal.

1 files changed, 6 insertions, 6 deletions

diff --git a/core/os/memory.h b/core/os/memory.h
index b3eb599955..e1d7138ad5 100644
--- a/core/os/memory.h
+++ b/core/os/memory.h
@@ -45,20 +45,20 @@ class Memory {
 
 	Memory();
 #ifdef DEBUG_ENABLED
-	static size_t mem_usage;
-	static size_t max_usage;
+	static uint64_t mem_usage;
+	static uint64_t max_usage;
 #endif
 
-	static size_t alloc_count;
+	static uint64_t alloc_count;
 
 public:
 	static void *alloc_static(size_t p_bytes, bool p_pad_align = false);
 	static void *realloc_static(void *p_memory, size_t p_bytes, bool p_pad_align = false);
 	static void free_static(void *p_ptr, bool p_pad_align = false);
 
-	static size_t get_mem_available();
-	static size_t get_mem_usage();
-	static size_t get_mem_max_usage();
+	static uint64_t get_mem_available();
+	static uint64_t get_mem_usage();
+	static uint64_t get_mem_max_usage();
 };
 
 class DefaultAllocator {