threads written

This commit is contained in:
2016-03-05 09:23:42 +01:00
parent b5d649564d
commit ccc5014cb8
6 changed files with 298 additions and 222 deletions

View File

@ -7,7 +7,7 @@
#include "pipe.h"
#ifdef _MSC_VER
#define inline __inline
#define inline __inline
#endif
/* Integrate every element of the signal. */
@ -35,16 +35,16 @@ void square(pipe_t * const p)
/* Integrate over every element of the signal. */
void integrate(pipe_t * const pipe)
{
uint32_t state = *((uint32_t*)pipe->state);
uint32_t state = *((uint32_t*)pipe->state);
while (Pipe_isFilled(pipe))
while (Pipe_isFilled(pipe))
{
uint32_t item = Pipe_Read(pipe);
uint32_t item = Pipe_Read(pipe);
state = state + item;
Pipe_Write(pipe, state);
Pipe_Write(pipe, state);
}
*((uint32_t*)pipe->state) = state;
*((uint32_t*)pipe->state) = state;
}
/* Build the sum of all elements of the signal. */
@ -52,9 +52,9 @@ void sum(pipe_t * const pipe)
{
uint32_t sum = 0;
while (Pipe_isFilled(pipe))
sum += Pipe_Read(pipe);
Pipe_Write(pipe, sum);
while (Pipe_isFilled(pipe))
sum += Pipe_Read(pipe);
Pipe_Write(pipe, sum);
}
/* Build the average of all elements of the signal. */
@ -64,169 +64,84 @@ void average(pipe_t * const pipe)
uint32_t element_counter = 0;
uint32_t average = 0;
while (Pipe_isFilled(pipe))
while (Pipe_isFilled(pipe))
{
sum += Pipe_Read(pipe);
sum += Pipe_Read(pipe);
element_counter++;
}
average = sum / element_counter;
Pipe_Write(pipe, average);
Pipe_Write(pipe, average);
}
/* Print the signal. */
void print(pipe_t * const pipe)
{
printf("\nOutput:\n");
while (Pipe_isFilled(pipe))
printf("%d\n", Pipe_Read(pipe));
while (Pipe_isFilled(pipe))
printf("%d\n", Pipe_Read(pipe));
}
/* Logging function. Set by user. */
void log(pipe_t * const source, pipe_t * const target, uint32_t element)
{
if (Pipe_isFull(target))
printf("Error: Pipe %s is full!\n", target->name);
if (Pipe_isFull(target))
printf("Error: Pipe %s is full!\n", target->name);
if (source->state == NULL && target->state == NULL)
printf("%s -> %d -> %s\n", source->name, element, target->name);
else if (source->state != NULL && target->state != NULL)
printf("%s(%d) -> %d -> %s(%d)\n", source->name, *((uint32_t*)source->state), element, target->name, *((uint32_t*)target->state));
else if (source->state != NULL)
printf("%s(%d) -> %d -> %s\n", source->name, *((uint32_t*)source->state), element, target->name);
if (source->state == NULL && target->state == NULL)
printf("%s -> %d -> %s\n", source->name, element, target->name);
else if (source->state != NULL && target->state != NULL)
printf("%s(%d) -> %d -> %s(%d)\n", source->name, *((uint32_t*)source->state), element, target->name, *((uint32_t*)target->state));
else if (source->state != NULL)
printf("%s(%d) -> %d -> %s\n", source->name, *((uint32_t*)source->state), element, target->name);
else
printf("%s -> %d -> %s(%d)\n", source->name, element, target->name, *((uint32_t*)target->state));
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)
extern void threads(void);
int main(int argc, char *argv[])
{
uint32_t counter = 0;
/* Create pipes and connect them */
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);
Pipe_Create(print_pipe, 4, 1, NULL, log);
if (argc == 1)
{
/* Create pipes and connect them */
Pipe_Create(increment_pipe, 4, 1, NULL, log);
Pipe_Create(square_pipe, 4, 1, NULL, log);
Pipe_Create(integrate_pipe, 8, 2, &counter, log);
Pipe_Create(sum_pipe, 8, 2, NULL, log);
Pipe_Create(average_pipe, 8, 2, NULL, log);
Pipe_Create(print_pipe, 4, 2, NULL, log);
Pipe_Connect(&increment_pipe, &integrate_pipe);
Pipe_Connect(&square_pipe, &integrate_pipe);
Pipe_Connect(&integrate_pipe, &sum_pipe);
Pipe_Connect(&integrate_pipe, &average_pipe);
Pipe_Connect(&sum_pipe, &print_pipe);
Pipe_Connect(&average_pipe, &print_pipe);
Pipe_Connect(&increment_pipe, &integrate_pipe);
Pipe_Connect(&square_pipe, &integrate_pipe);
Pipe_Connect(&integrate_pipe, &sum_pipe);
Pipe_Connect(&integrate_pipe, &average_pipe);
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;
/* Create Input */
Pipe_Insert(&increment_pipe, 1);
Pipe_Insert(&increment_pipe, 3);
Pipe_Insert(&increment_pipe, 5);
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);
Pipe_Insert(&square_pipe, 2);
Pipe_Insert(&square_pipe, 4);
Pipe_Insert(&square_pipe, 6);
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);
/* run the functions (each can run in an own thread) */
increment(&increment_pipe);
square(&square_pipe);
integrate(&integrate_pipe);
sum(&sum_pipe);
average(&average_pipe);
print(&print_pipe);
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);
Pipe_Insert(&increment_pipe, 5);
Pipe_Insert(&square_pipe, 2);
Pipe_Insert(&square_pipe, 4);
Pipe_Insert(&square_pipe, 6);
/* run the functions (each can run in an own thread) */
increment(&increment_pipe);
square(&square_pipe);
integrate(&integrate_pipe);
sum(&sum_pipe);
average(&average_pipe);
print(&print_pipe);
getchar();
getchar();
}
else
{
threads();
}
return 0;
}