LinuxSystemTask/ClThread.c

#include <pthread.h>
#include <stdio.h>
#include <unistd.h>
#include <malloc.h>


struct Time
{
    unsigned int hour;
    unsigned int minute;
    unsigned int second;
};

typedef struct Time Time;

struct Worker
{
    int id;
    Time time;
};
typedef struct Worker Worker;


static void* showTime(void* arg);
static void* workClock(void* arg);

void PassTime(Time* time);

 pthread_t pt_watcher;
 pthread_t pt_clock;
 pthread_t pt_timer;
 pthread_t pt_stopwatch;

int startThread(pthread_t* thread, void*(func)(void*), Worker* worker)
{
    puts("Я стартанул часы.");

    int status = pthread_create(thread, NULL, func, worker);
    if(status != 0)
    {
        printf("Ошибка, статус = %d", status);
        return(-1);
    }
    return status;
}

int main()
{
    int identifiers[] = { 1, 2, 3 };
    Time* clock = calloc(1, sizeof(Time));
    Time* timer = calloc(1, sizeof(Time));
    Time* stopwatch = calloc(1, sizeof(Time));
    Worker* worker = calloc(1, sizeof(Worker));
    worker->id = identifiers[0];

    //startThread(&pt_clock, workClock, worker);
	sleep(1);
    puts("Я поспал.");

	pthread_create(&pt_clock, NULL, workClock, worker);

	pthread_create(&pt_watcher, NULL, showTime, &(worker->time));

	void* res;
	pthread_join(pt_clock, &res);
    puts((char*)res);

	pthread_join(pt_watcher, &res);
    puts((char*)res);
    

    puts("Я все.");
    return 0;
}

void PassTime(Time* time)
{

    puts("Вот счетчик.");

    while (1)
	{
		sleep(1);
		time->second++;
		if (time->second == 60)
		{
			time->second = 0;
			time->minute++;
		}
		if (time->minute == 60)
		{
			time->minute = 0;
			time->hour++;
		}
		if (time->hour == 24)
		{
			time->hour = 0;
		}
	}
}

static void* showTime(void* arg)
{
    Time* time = (Time*) arg;
    Time* changeTime = malloc(sizeof(Time));
	changeTime->hour = time->hour;
	changeTime->minute = time->minute;
	changeTime->second = time->second;
	char* stringTime = malloc(sizeof(char) * 9);
	sprintf(stringTime, "%02d:%02d:%02d\0", time->hour, time->minute, time->second);
	puts(stringTime);
	for (;;)
	{
		if (changeTime->hour != time->hour || changeTime->minute != time->minute || changeTime->second != time->second)
		{
			sprintf(stringTime, "%02d:%02d:%02d\0", time->hour, time->minute, time->second);
			puts(stringTime);
			changeTime->hour = time->hour;
			changeTime->minute = time->minute;
			changeTime->second = time->second;
		}		
	}
	pthread_exit(0);
}

static void* workClock(void* arg)
{
    puts("Вот часы.");

    Worker* worker = (Worker*) arg;
    PassTime(&(worker->time));
    pthread_exit(0);
}