Threads (v. 1.0.1)

// multiplas tarefas (thread)

// Apple Xcode
// paulogp


#include <stdio.h>
#include <time.h>
#include <pthread.h>

struct char_print_parms
{
    char character;
    int count;
};

void* char_print (void* parameters)
{
    int i;

    struct char_print_parms* p = (struct char_print_parms*) parameters;

    for (i = 0; i < p->count; i++)
    {
        fputc(p->character, stderr);
    }

    return NULL;
}

int main (int argc, const char * argv[])
{
    pthread_t the_thread_id_1, the_thread_id_2;

    struct char_print_parms t1_args;
    struct char_print_parms t2_args;

    t1_args.character = 'x';
    t1_args.count = 30000;
    pthread_create(&the_thread_id_1, NULL, char_print, &t1_args);

    t2_args.character = 'o';
    t2_args.count = 20000;
    pthread_create(&the_thread_id_2, NULL, char_print, &t2_args);

    // nao queremos que o processo termine antes de ambas
    // as threads terminarem
    pthread_join(the_thread_id_1, NULL);
    pthread_join(the_thread_id_2, NULL);

    printf("\ndone\n");

    return 0;
}