James Edwards (xN/A) TX
7d2bc9d113
[git-p4: depot-paths = "//depot/stg/hsa/drivers/hsa/runtime/": change = 1250152]
76 lines
2.8 KiB
C++
76 lines
2.8 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// The University of Illinois/NCSA
|
|
// Open Source License (NCSA)
|
|
//
|
|
// Copyright (c) 2014-2015, Advanced Micro Devices, Inc. All rights reserved.
|
|
//
|
|
// Developed by:
|
|
//
|
|
// AMD Research and AMD HSA Software Development
|
|
//
|
|
// Advanced Micro Devices, Inc.
|
|
//
|
|
// www.amd.com
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to
|
|
// deal with 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:
|
|
//
|
|
// - Redistributions of source code must retain the above copyright notice,
|
|
// this list of conditions and the following disclaimers.
|
|
// - Redistributions in binary form must reproduce the above copyright
|
|
// notice, this list of conditions and the following disclaimers in
|
|
// the documentation and/or other materials provided with the distribution.
|
|
// - Neither the names of Advanced Micro Devices, Inc,
|
|
// nor the names of its contributors may be used to endorse or promote
|
|
// products derived from this Software without specific prior written
|
|
// permission.
|
|
//
|
|
// 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 CONTRIBUTORS 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 WITH THE SOFTWARE.
|
|
//
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef HSA_RUNTME_CORE_INC_CHECKED_H_
|
|
#define HSA_RUNTME_CORE_INC_CHECKED_H_
|
|
|
|
#include "stdint.h"
|
|
|
|
namespace core {
|
|
|
|
/// @brief Base class for all classes whose validity can be checked using
|
|
/// IsValid() method.
|
|
template <uint64_t code>
|
|
class Checked {
|
|
public:
|
|
typedef Checked<code> CheckedType;
|
|
|
|
Checked() { object_ = uintptr_t(this) ^ uintptr_t(code); }
|
|
Checked(const Checked&) { object_ = uintptr_t(this) ^ uintptr_t(code); }
|
|
Checked(Checked&&) { object_ = uintptr_t(this) ^ uintptr_t(code); }
|
|
|
|
virtual ~Checked() { object_ = NULL; }
|
|
|
|
const Checked& operator=(Checked&& rhs) { return *this; }
|
|
const Checked& operator=(const Checked& rhs) { return *this; }
|
|
|
|
bool IsValid() const {
|
|
return object_ == (uintptr_t(this) ^ uintptr_t(code));
|
|
}
|
|
|
|
private:
|
|
uintptr_t object_;
|
|
};
|
|
|
|
} // namespace core
|
|
#endif // header guard
|