/*
- * Copyright 2015 Facebook, Inc.
+ * Copyright 2017 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* limitations under the License.
*/
-#ifndef FOLLY_DETAIL_MALLOC_H
-#define FOLLY_DETAIL_MALLOC_H
+#pragma once
#include <stdlib.h>
extern int (*mallctlnametomib)(const char*, size_t*, size_t*);
extern int (*mallctlbymib)(const size_t*, size_t, void*, size_t*, void*,
size_t);
+#ifdef _MSC_VER
+// We emulate weak linkage for MSVC. The symbols we're
+// aliasing to are hiding in MallocImpl.cpp
+#pragma comment(linker, "/alternatename:mallocx=mallocxWeak")
+#pragma comment(linker, "/alternatename:rallocx=rallocxWeak")
+#pragma comment(linker, "/alternatename:xallocx=xallocxWeak")
+#pragma comment(linker, "/alternatename:sallocx=sallocxWeak")
+#pragma comment(linker, "/alternatename:dallocx=dallocxWeak")
+#pragma comment(linker, "/alternatename:sdallocx=sdallocxWeak")
+#pragma comment(linker, "/alternatename:nallocx=nallocxWeak")
+#pragma comment(linker, "/alternatename:mallctl=mallctlWeak")
+#pragma comment(linker, "/alternatename:mallctlnametomib=mallctlnametomibWeak")
+#pragma comment(linker, "/alternatename:mallctlbymib=mallctlbymibWeak")
+#endif
#endif
}
-
-#endif