Danylo Lytovchenko
97 wiersze
2.5 KiB
C++
97 wiersze
2.5 KiB
C++
/*
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Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
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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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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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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
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THE SOFTWARE.
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*/
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#ifndef _STRESSTEST_PRINTF_COMMON_H_
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#define _STRESSTEST_PRINTF_COMMON_H_
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#include <errno.h>
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#include <error.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <math.h>
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#include <fstream>
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#include <iostream>
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#include <string>
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struct CaptureStream {
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int saved_fd;
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int orig_fd;
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int temp_fd;
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char tempname[13] = "mytestXXXXXX";
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explicit CaptureStream(FILE* original) {
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orig_fd = fileno(original);
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saved_fd = dup(orig_fd);
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if ((temp_fd = mkstemp(tempname)) == -1) {
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error(0, errno, "Error");
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assert(false);
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}
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fflush(nullptr);
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if (dup2(temp_fd, orig_fd) == -1) {
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error(0, errno, "Error");
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assert(false);
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}
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if (close(temp_fd) != 0) {
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error(0, errno, "Error");
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assert(false);
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}
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}
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void restoreStream() {
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if (saved_fd == -1) return;
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fflush(nullptr);
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if (dup2(saved_fd, orig_fd) == -1) {
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error(0, errno, "Error");
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assert(false);
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}
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if (close(saved_fd) != 0) {
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error(0, errno, "Error");
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assert(false);
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}
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saved_fd = -1;
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}
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const char* getTempFilename() { return (const char*)tempname; }
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std::ifstream getCapturedData() {
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restoreStream();
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std::ifstream temp(tempname);
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return temp;
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}
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~CaptureStream() {
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restoreStream();
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if (remove(tempname) != 0) {
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error(0, errno, "Error");
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assert(false);
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}
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}
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};
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#endif // _STRESSTEST_PRINTF_COMMON_H_
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