159 lines
3.5 KiB
C
159 lines
3.5 KiB
C
#include <stdio.h>
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#include <stdint.h>
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#include <strsafe.h>
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#include <windows.h>
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#include "ringbuffer.h"
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#include "pipe.h"
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/* Integrate every element of the signal. */
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static void increment(pipe_t * const p)
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{
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while (Pipe_isFilled(p))
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{
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uint32_t item = Pipe_Read(p);
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item++;
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Pipe_Write(p, item);
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}
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}
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/* Print the signal. */
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static void write_to_file1(pipe_t * const pipe)
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{
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HANDLE hFile;
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char DataBuffer[128];
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DWORD dwBytesWritten = 0;
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hFile = CreateFile("thread1.txt", GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
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while (1) {
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while (Pipe_isFilled(pipe))
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{
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sprintf_s(DataBuffer, 128, "%d\r\n", Pipe_Read(pipe));
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WriteFile(hFile, DataBuffer, (DWORD)strlen(DataBuffer), &dwBytesWritten, NULL);
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}
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}
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}
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static void write_to_file2(pipe_t * const pipe)
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{
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HANDLE hFile;
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char DataBuffer[128];
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DWORD dwBytesWritten = 0;
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hFile = CreateFile("thread2.txt", GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
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while (1) {
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while (Pipe_isFilled(pipe))
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{
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sprintf_s(DataBuffer, 128, "%d\r\n", Pipe_Read(pipe));
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WriteFile(hFile, DataBuffer, (DWORD)strlen(DataBuffer), &dwBytesWritten, NULL);
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}
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}
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}
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DWORD WINAPI incrementThread1(LPVOID lpParam)
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{
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pipe_t * pipe = (pipe_t *)lpParam;
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LARGE_INTEGER time;
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while (1)
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{
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/* Generate input */
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QueryPerformanceCounter(&time);
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Pipe_Insert(pipe, (uint32_t)time.u.LowPart);
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QueryPerformanceCounter(&time);
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Pipe_Insert(pipe, (uint32_t)time.u.LowPart);
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QueryPerformanceCounter(&time);
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Pipe_Insert(pipe, (uint32_t)time.u.LowPart);
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increment(pipe);
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}
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return 0;
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}
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DWORD WINAPI incrementThread2(LPVOID lpParam)
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{
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pipe_t * pipe = (pipe_t *)lpParam;
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LARGE_INTEGER time;
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while (1)
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{
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/* Generate input */
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QueryPerformanceCounter(&time);
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Pipe_Insert(pipe, (uint32_t)time.u.LowPart);
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QueryPerformanceCounter(&time);
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Pipe_Insert(pipe, (uint32_t)time.u.LowPart);
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QueryPerformanceCounter(&time);
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Pipe_Insert(pipe, (uint32_t)time.u.LowPart);
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increment(pipe);
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}
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return 0;
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}
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DWORD WINAPI incrementThread3(LPVOID lpParam)
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{
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pipe_t * pipe = (pipe_t *)lpParam;
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while (1)
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{
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increment(pipe);
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}
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return 0;
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}
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DWORD WINAPI Thread2(LPVOID lpParam)
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{
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pipe_t * pipe = (pipe_t *)lpParam;
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write_to_file2(pipe);
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return 0;
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}
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DWORD WINAPI Thread1(LPVOID lpParam)
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{
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pipe_t * pipe = (pipe_t *)lpParam;
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write_to_file1(pipe);
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return 0;
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}
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static void log(pipe_t * const source, pipe_t * const target, uint32_t element) {}
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void threads(void)
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{
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/* Create pipes and connect them */
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Pipe_Create(increment_pipe1, 4, 1, NULL, log);
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Pipe_Create(increment_pipe2, 4, 1, NULL, log);
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Pipe_Create(increment_pipe3, 8, 2, NULL, log);
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Pipe_Create(write_to_file1_pipe, 8, 1, NULL, log);
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Pipe_Create(write_to_file2_pipe, 8, 1, NULL, log);
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Pipe_Connect(&increment_pipe1, &increment_pipe3);
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Pipe_Connect(&increment_pipe2, &increment_pipe3);
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Pipe_Connect(&increment_pipe3, &write_to_file1_pipe);
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Pipe_Connect(&increment_pipe3, &write_to_file2_pipe);
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/* Create Threads */
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CreateThread(NULL, 0, incrementThread1, &increment_pipe1, 0, NULL);
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CreateThread(NULL, 0, incrementThread2, &increment_pipe2, 0, NULL);
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CreateThread(NULL, 0, incrementThread3, &increment_pipe3, 0, NULL);
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HANDLE thread1Handle, thread2Handle;
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thread1Handle = CreateThread(NULL, 0, Thread1, &write_to_file1_pipe, 0, NULL);
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thread2Handle = CreateThread(NULL, 0, Thread2, &write_to_file2_pipe, 0, NULL);
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HANDLE threadHandles[] = { thread1Handle, thread2Handle };
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WaitForMultipleObjects(2, threadHandles, TRUE, INFINITE);
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CloseHandle(thread1Handle);
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CloseHandle(thread2Handle);
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return 0;
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} |