Alysa Liu
9b3d15e68d
Remove unreachable return statement. Signed-off-by: Alysa Liu <Alysa.Liu@amd.com>
102 строки
3.7 KiB
C++
102 строки
3.7 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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//
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// The University of Illinois/NCSA
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// Open Source License (NCSA)
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//
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// Copyright (c) 2014-2020, Advanced Micro Devices, Inc. All rights reserved.
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//
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// Developed by:
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//
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// AMD Research and AMD HSA Software Development
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//
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// Advanced Micro Devices, Inc.
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//
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// www.amd.com
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal with the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// - Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimers.
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// - Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimers in
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// the documentation and/or other materials provided with the distribution.
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// - Neither the names of Advanced Micro Devices, Inc,
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// nor the names of its contributors may be used to endorse or promote
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// products derived from this Software without specific prior written
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// permission.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS WITH THE SOFTWARE.
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//
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////////////////////////////////////////////////////////////////////////////////
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#ifndef HSA_RUNTIME_CORE_INC_EXCEPTIONS_H
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#define HSA_RUNTIME_CORE_INC_EXCEPTIONS_H
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#include <exception>
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#include <string>
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#include "core/inc/hsa_internal.h"
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namespace rocr {
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namespace AMD {
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/// @brief Exception type which carries an error code to return to the user.
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class hsa_exception : public std::exception {
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public:
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hsa_exception(hsa_status_t error, const char* description) : err_(error), desc_(description) {}
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hsa_status_t error_code() const noexcept { return err_; }
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const char* what() const noexcept override { return desc_.c_str(); }
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private:
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hsa_status_t err_;
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std::string desc_;
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};
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/// @brief Holds and invokes callbacks, capturing any execptions and forwarding those to the user
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/// after unwinding the runtime stack.
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template <class F> class callback_t;
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template <class R, class... Args> class callback_t<R (*)(Args...)> {
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public:
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typedef R (*func_t)(Args...);
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callback_t() : function(nullptr) {}
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// Should not be marked explicit.
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callback_t(func_t function_ptr) : function(function_ptr) {}
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callback_t& operator=(func_t function_ptr) { function = function_ptr; return *this; }
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bool operator==(func_t function_ptr) { return function == function_ptr; }
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bool operator!=(func_t function_ptr) { return function != function_ptr; }
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// Allows common function pointer idioms, such as if( func != nullptr )...
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// without allowing silent reversion to the original function pointer type.
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operator void*() { return reinterpret_cast<void*>(function); }
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R operator()(Args... args) {
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try {
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return function(args...);
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} catch (...) {
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throw std::nested_exception();
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}
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}
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private:
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func_t function;
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};
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} // namespace amd
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} // namespace rocr
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#endif // HSA_RUNTIME_CORE_INC_EXCEPTIONS_H
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