mirror of
https://github.com/ROCm/composable_kernel.git
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94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
/*******************************************************************************
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*
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* MIT License
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*
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* Copyright (c) 2019 Advanced Micro Devices, Inc.
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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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*
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*******************************************************************************/
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#include <exec_utils.hpp>
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#include <manage_ptr.hpp>
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#include <istream>
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#include <ostream>
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#include <string>
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#include <cstdio>
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#include <array>
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#include <cassert>
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#ifdef __linux__
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#include <unistd.h>
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#include <cstdio>
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#include <sys/wait.h>
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#endif // __linux__
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namespace online_compile {
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namespace exec {
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int Run(const std::string& p, std::istream* in, std::ostream* out)
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{
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#ifdef __linux__
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const auto redirect_stdin = (in != nullptr);
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const auto redirect_stdout = (out != nullptr);
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assert(!(redirect_stdin && redirect_stdout));
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const auto file_mode = redirect_stdout ? "r" : "w";
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OLC_MANAGE_PTR(FILE*, pclose) pipe{popen(p.c_str(), file_mode)};
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if(!pipe)
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throw std::runtime_error("online_compile::exec::Run(): popen(" + p + ", " + file_mode +
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") failed");
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if(redirect_stdin || redirect_stdout)
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{
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std::array<char, 1024> buffer{};
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if(redirect_stdout)
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{
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while(feof(pipe.get()) == 0)
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if(fgets(buffer.data(), buffer.size(), pipe.get()) != nullptr)
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*out << buffer.data();
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}
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else
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{
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while(!in->eof())
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{
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in->read(buffer.data(), buffer.size() - 1);
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buffer[in->gcount()] = 0;
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if(fputs(buffer.data(), pipe.get()) == EOF)
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throw std::runtime_error("online_compile::exec::Run(): fputs() failed");
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}
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}
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}
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auto status = pclose(pipe.release());
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return WEXITSTATUS(status);
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#else
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(void)p;
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(void)in;
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(void)out;
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return -1;
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#endif // __linux__
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}
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} // namespace exec
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} // namespace online_compile
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