race condition with development tools..

[vg.git] / vg_mem.h

diff --git a/vg_mem.h b/vg_mem.h
index 48969d9d13be9588f811b898f9454fd9de96c609..6aa22f273abfec1878cd22914a295540149d8d83 100644 (file)
--- a/vg_mem.h
+++ b/vg_mem.h
@@ -331,7 +331,17 @@ static void vg_linear_clear( void *buffer )
    alloc->cur = 0;
 }
 
-/* allocate a FIXED SIZE linear allocator */
+/* allocate a FIXED SIZE linear allocator
+ *
+ * FIXME: there was a bug in vg's code that caused a race condition between
+ *        two system allocations. make this IMPOSSIBLE by requiring a lock
+ *        on the allocater to be passed between threads.
+ *
+ *        luckily that bug only exists when using development tools, but still!
+ *
+ *        this should then only be checked and turned on in debugging.
+ *
+ */
 static void *_vg_create_linear_allocator( void *lin_alloc, u32 size, 
                                              u16 flags, const char *constr_name)
 {