userspace/init.c


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 /*
  * @file
  *
  * This is the FoolOS Init process running on pid=1.
  *
  * I just spawns a `fool-term` each time an character arrives 
  * on its '/dev/tty' (controlling terminal of this process)
  *
  */

static char *env1[]={"HOME=/home/miguel","PS1=$","PWD=/home/miguel","PATH=/bin","TERM=fool-term",0};
static char *argv1[]={"xterm","/bin/fsh",0};

void fork_and_exec()
{   
    int pid=fork();

    if(!pid) 
    {
        // execve in child
        execve("/bin/xterm",argv1,env1);
    }
}

int main(int argc, char **argv)
{
    int tty_fd=_open("/dev/tty");

    while(1)
    {
        char buf[1];
        read(tty_fd,buf,1);
        fork_and_exec();
    }
}