Rawat, Swati
97b7a6315d
* Update LICENSE * Update conf.py * Update copyright year * [fix] Update copyright year * Update copyright year "ROCm Developer Tools" * Add license headers to c++ files * Add license to *.py * Update licenses in rocdecode sources --------- Co-authored-by: srawat <120587655+SwRaw@users.noreply.github.com> Co-authored-by: Mythreya <mythreya.kuricheti@amd.com> Co-authored-by: Jonathan R. Madsen <jonathanrmadsen@gmail.com>
121 lignes
3.9 KiB
C++
121 lignes
3.9 KiB
C++
// MIT License
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//
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// Copyright (c) 2023-2025 Advanced Micro Devices, Inc. All rights reserved.
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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 deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// 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 all
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// 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 FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#pragma once
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#include "lib/common/logging.hpp"
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#include <fmt/format.h>
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#include <fstream>
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#include <ios>
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#include <mutex>
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#include <set>
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#include <string>
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#include <type_traits>
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#include <vector>
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struct tmp_file
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{
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tmp_file(std::string _filename);
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~tmp_file();
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bool open(std::ios::openmode = std::ios::binary | std::ios::in | std::ios::out);
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bool fopen(const char* = "r+");
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bool flush();
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bool close();
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bool remove();
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explicit operator bool() const;
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template <typename Tp>
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std::streampos write(const Tp* data, size_t num_records);
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template <typename Tp>
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std::streampos write(const Tp& data);
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template <typename Tp>
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std::vector<Tp> read(std::streampos seekpos);
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std::string filename = {};
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std::string subdirectory = {};
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std::fstream stream = {};
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FILE* file = nullptr;
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int fd = -1;
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std::set<std::streampos> file_pos = {};
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std::mutex file_mutex = {};
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};
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template <typename Tp>
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std::streampos
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tmp_file::write(const Tp* data, size_t num_records)
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{
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auto lk = std::unique_lock<std::mutex>{file_mutex};
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if(!stream.is_open()) open();
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ROCP_CI_LOG_IF(WARNING, stream.tellg() != stream.tellp()) // this should always be true
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<< "tellg=" << stream.tellg() << ", tellp=" << stream.tellp();
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auto pos = stream.tellp();
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stream.write(reinterpret_cast<const char*>(&num_records), sizeof(size_t));
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stream.write(reinterpret_cast<const char*>(data), num_records * sizeof(Tp));
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return pos;
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}
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template <typename Tp>
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std::streampos
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tmp_file::write(const Tp& data)
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{
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static_assert(std::is_standard_layout<Tp>::value, "only supports standard layout types");
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static_assert(!std::is_pointer<Tp>::value, "only supports non-pointer types");
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auto lk = std::unique_lock<std::mutex>{file_mutex};
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if(!stream.is_open()) open();
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ROCP_CI_LOG_IF(WARNING, stream.tellg() != stream.tellp())
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<< fmt::format("tellg={}, tellp={}", stream.tellg(), stream.tellp());
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auto pos = stream.tellp();
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size_t num_records = 1;
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stream.write(reinterpret_cast<const char*>(&num_records), sizeof(size_t));
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stream.write(reinterpret_cast<const char*>(&data), num_records * sizeof(Tp));
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return pos;
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}
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template <typename Tp>
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std::vector<Tp>
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tmp_file::read(std::streampos seekpos)
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{
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auto lk = std::unique_lock<std::mutex>{file_mutex};
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if(!stream.is_open()) open();
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stream.seekg(seekpos);
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size_t num_elements = 0;
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stream.read(reinterpret_cast<char*>(&num_elements), sizeof(size_t));
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auto ret = std::vector<Tp>{};
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ret.resize(num_elements, Tp{});
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stream.read(reinterpret_cast<char*>(ret.data()), num_elements * sizeof(Tp));
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return ret;
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}
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