Fork

// criacao de varios processos (fork)

// Apple Xcode
// paulogp


#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <time.h>
#include <signal.h>

int main (int argc, const char * argv[])
{
    int the_fork, i;

    for (i = 0; i < 10; ++i)
    {
        // create a new process
        the_fork = fork();

        // child process
        if (the_fork == 0)
        {
            printf("filho %d: %d\n", i + 1, getpid());
            pause(); // stop until signal
            exit(0);
        }
    }

    // wait
    sleep(2);

    // processes
    system("ps -o pid,ppid,command");
    pause(); // stop until signal

    return 0;
}