diff options
Diffstat (limited to 'comm/third_party/botan/src/lib/utils/locking_allocator/locking_allocator.h')
-rw-r--r-- | comm/third_party/botan/src/lib/utils/locking_allocator/locking_allocator.h | 45 |
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 |