103 lines
3.2 KiB
C++
103 lines
3.2 KiB
C++
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/******************************************************************************
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* Copyright (c) Advanced Micro Devices, Inc. All rights reserved.
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*
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* SPDX-License-Identifier: MIT
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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 in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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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 THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*****************************************************************************/
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#ifndef LIBRARY_SRC_GDA_CONTEXT_PROXY_HPP_
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#define LIBRARY_SRC_GDA_CONTEXT_PROXY_HPP_
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#include "device_proxy.hpp"
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#include "backend_gda.hpp"
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namespace rocshmem {
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class GDABackend;
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template <typename ALLOCATOR>
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class GDADefaultContextProxy {
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using ProxyT = DeviceProxy<ALLOCATOR, GDAContext>;
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public:
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GDADefaultContextProxy() = default;
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/*
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* Placement new the memory which is allocated by proxy_
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*/
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explicit GDADefaultContextProxy(GDABackend* backend, TeamInfo *tinfo,
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size_t num_elems = 1)
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: constructed_{true}, proxy_{num_elems} {
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auto ctx{proxy_.get()};
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new (ctx) GDAContext(reinterpret_cast<Backend*>(backend), 0);
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ctx->tinfo = tinfo;
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rocshmem_ctx_t local{ctx, tinfo};
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set_internal_ctx(&local);
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}
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/*
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* Since placement new is called in the constructor, then
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* delete must be called manually.
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*/
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~GDADefaultContextProxy() {
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if (constructed_) {
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proxy_.get()->~GDAContext();
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}
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}
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GDADefaultContextProxy(const GDADefaultContextProxy& other) = delete;
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GDADefaultContextProxy& operator=(const GDADefaultContextProxy& other) = delete;
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GDADefaultContextProxy(GDADefaultContextProxy&& other) = default;
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GDADefaultContextProxy& operator=(GDADefaultContextProxy&& other) {
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if (this != &other) {
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proxy_ = std::move(other.proxy_);
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constructed_ = true;
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other.constructed_ = false;
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}
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return *this;
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}
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/*
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* @brief Provide access to the memory referenced by the proxy
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*/
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__host__ __device__ Context* get() { return proxy_.get(); }
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private:
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/*
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* @brief Memory managed by the lifetime of this object
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*/
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ProxyT proxy_{};
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/*
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* @brief denotes if an objects was constructed in proxy
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*/
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bool constructed_{false};
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};
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using GDADefaultContextProxyT = GDADefaultContextProxy<HIPAllocator>;
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} // namespace rocshmem
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#endif // LIBRARY_SRC_GDA_CONTEXT_PROXY_HPP_
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