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Preparation for threads, not finished.

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This commit is contained in:
Andre Heber
2016-03-04 15:51:50 +01:00
parent 6abaf47362
commit b5d649564d
3 changed files with 196 additions and 69 deletions
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104
Pipe/main.c
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@ -1,8 +1,15 @@
#include <stdio.h>
#include <stdint.h>
#include <strsafe.h>
#include <windows.h>
#include "ringbuffer.h"
#include "pipe.h"
#ifdef _MSC_VER
#define inline __inline
#endif
/* Integrate every element of the signal. */
void increment(pipe_t * const p)
{
@ -90,13 +97,86 @@ void log(pipe_t * const source, pipe_t * const target, uint32_t element)
printf("%s -> %d -> %s(%d)\n", source->name, element, target->name, *((uint32_t*)target->state));
}
#define BUF_SIZE 255
void DisplayMessage(HANDLE hScreen,
char *ThreadName, int Data, int Count)
{
TCHAR msgBuf[BUF_SIZE];
size_t cchStringSize;
DWORD dwChars;
// Print message using thread-safe functions.
StringCchPrintf(msgBuf, BUF_SIZE,
TEXT("Executing iteration %02d of %s"
" having data = %02d \n"),
Count, ThreadName, Data);
StringCchLength(msgBuf, BUF_SIZE, &cchStringSize);
WriteConsole(hScreen, msgBuf, cchStringSize,
&dwChars, NULL);
}
DWORD WINAPI Thread_no_2(LPVOID lpParam)
{
int Data = 0;
int count = 0;
HANDLE hStdout = NULL;
// Get Handle To screen.
// Else how will we print?
if ((hStdout =
GetStdHandle(STD_OUTPUT_HANDLE))
== INVALID_HANDLE_VALUE)
return 1;
// Cast the parameter to the correct
// data type passed by callee i.e main() in our case.
Data = *((int*)lpParam);
for (count = 0; count <= 4; count++)
{
DisplayMessage(hStdout, "Thread_no_1", Data, count);
}
return 0;
}
DWORD WINAPI Thread_no_1(LPVOID lpParam)
{
int Data = 0;
int count = 0;
HANDLE hStdout = NULL;
// Get Handle To screen.
// Else how will we print?
if ((hStdout =
GetStdHandle(STD_OUTPUT_HANDLE))
== INVALID_HANDLE_VALUE)
return 1;
// Cast the parameter to the correct
// data type passed by callee i.e main() in our case.
Data = *((int*)lpParam);
for (count = 0; count <= 4; count++)
{
DisplayMessage(hStdout, "Thread_no_2", Data, count);
}
return 0;
}
int main(void)
{
uint32_t counter = 0;
/* Create pipes and connect them */
Pipe_Create(increment_pipe, 4, 1, NULL, log);
Pipe_Create(square_pipe, 4, 1, NULL, log);
Pipe_Create(increment_pipe, 4, 1, NULL, NULL);
Pipe_Create(square_pipe, 4, 1, NULL, NULL);
Pipe_Create(integrate_pipe, 8, 2, &counter, log);
Pipe_Create(sum_pipe, 8, 1, NULL, log);
Pipe_Create(average_pipe, 8, 1, NULL, log);
@ -109,6 +189,26 @@ int main(void)
Pipe_Connect(&sum_pipe, &print_pipe);
Pipe_Connect(&average_pipe, &print_pipe);
/* Create Threads */
int Data_Of_Thread_1 = 1;
int Data_Of_Thread_2 = 2;
HANDLE Handle_Of_Thread_1 = 0;
HANDLE Handle_Of_Thread_2 = 0;
Handle_Of_Thread_1 = CreateThread(NULL, 0, Thread_no_1, &Data_Of_Thread_1, 0, NULL);
if (Handle_Of_Thread_1 == NULL)
ExitProcess(Data_Of_Thread_1);
Handle_Of_Thread_2 = CreateThread(NULL, 0, Thread_no_2, &Data_Of_Thread_2, 0, NULL);
if (Handle_Of_Thread_2 == NULL)
ExitProcess(Data_Of_Thread_2);
HANDLE Array_Of_Thread_Handles[] = { Handle_Of_Thread_1, Handle_Of_Thread_1 };
WaitForMultipleObjects(3, Array_Of_Thread_Handles, TRUE, INFINITE);
CloseHandle(Handle_Of_Thread_1);
CloseHandle(Handle_Of_Thread_2);
/* Generate input */
Pipe_Insert(&increment_pipe, 1);
Pipe_Insert(&increment_pipe, 3);