1 files changed, 45 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/utils/locking_allocator/locking_allocator.h b/comm/third_party/botan/src/lib/utils/locking_allocator/locking_allocator.h
new file mode 100644
index 0000000000..8d1d249809
--- /dev/null
+++ b/comm/third_party/botan/src/lib/utils/locking_allocator/locking_allocator.h
@@ -0,0 +1,45 @@
+/*
+* Mlock Allocator
+* (C) 2012 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_MLOCK_ALLOCATOR_H_
+#define BOTAN_MLOCK_ALLOCATOR_H_
+
+#include <botan/types.h>
+#include <vector>
+#include <memory>
+
+BOTAN_FUTURE_INTERNAL_HEADER(locking_allocator.h)
+
+namespace Botan {
+
+class Memory_Pool;
+
+class BOTAN_PUBLIC_API(2,0) mlock_allocator final
+   {
+   public:
+      static mlock_allocator& instance();
+
+      void* allocate(size_t num_elems, size_t elem_size);
+
+      bool deallocate(void* p, size_t num_elems, size_t elem_size) noexcept;
+
+      mlock_allocator(const mlock_allocator&) = delete;
+
+      mlock_allocator& operator=(const mlock_allocator&) = delete;
+
+   private:
+      mlock_allocator();
+
+      ~mlock_allocator();
+
+      std::unique_ptr<Memory_Pool> m_pool;
+      std::vector<void*> m_locked_pages;
+   };
+
+}
+
+#endif