Adding rocprofilerv2

Change-Id: Ic0cc280ba207d2b8f6ccae1cd4ac3184152fc1ad

src/utils/handle.h

@@ -0,0 +1,114 @@
+/* Copyright (c) 2022 Advanced Micro Devices, Inc.
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE. */
+
+#ifndef UTILS_HANDLE_H_
+#define UTILS_HANDLE_H_
+
+#include <type_traits>
+#include <utility>
+#include <cstddef>
+
+namespace rocmtools {
+
+template <typename T, typename D>
+class handle_t {
+  T value_;
+  bool will_delete_;
+public:
+  handle_t() noexcept
+  : will_delete_(false)
+  {}
+
+  template
+    < typename U
+    , std::enable_if_t<std::is_same<T, U>::value, bool> = true
+    >
+  handle_t(U &&v, bool const will_delete = true) noexcept
+  : value_(std::move(v))
+  , will_delete_(will_delete)
+  {}
+
+  // No copy construction or copy assignment of handles
+  handle_t(handle_t const &) = delete;
+  handle_t& operator=(handle_t const &) = delete;
+
+  handle_t& operator=(handle_t &&h) noexcept
+  {
+    reset();
+    value_ = std::move(h.value_);
+    will_delete_ = h.will_delete_;
+    h.release();
+    return *this;
+  }
+
+  handle_t(handle_t &&h) noexcept
+  : value_(std::move(h.value_))
+  {
+    h.release();
+  }
+
+  ~handle_t() noexcept
+  {
+    reset();
+  }
+
+  T const& get() const noexcept
+  {
+    return value_;
+  }
+
+  typename std::add_lvalue_reference
+    < typename std::remove_pointer<T>::type
+    >::type
+  operator*() const noexcept
+  {
+    return *value_;
+  }
+
+  T operator->() const noexcept
+  {
+    return value_;
+  }
+
+  T const& release() noexcept
+  {
+    will_delete_ = false;
+    return get();
+  }
+
+  void reset() noexcept
+  {
+    if (will_delete_) {
+      will_delete_ = false;
+      D{}(value_);
+    }
+  }
+
+  void reset(T &&v) noexcept
+  {
+    reset();
+    value_ = std::move(v);
+    will_delete_ = true;
+  }
+};
+
+} // namespace rocmtools
+
+#endif // UTILS_HANDLE_H_