mart/ex02/ex02d.c

   1 #include <stdint.h>
   2 #include <stdio.h>
   3 #include <signal.h>
   4 #include <unistd.h>
   5 #include <sys/mman.h>
   6
   7 #include <native/task.h>
   8 #include <native/timer.h>
   9
  10 #include <rtdk.h>
  11
  12 RT_TASK task1, task2, task3;
  13
  14 void demo(void *arg)
  15 {
  16         rt_task_set_periodic(NULL, TM_NOW, *(unsigned long long *)arg);
  17         rt_printf("%llu\n", *(unsigned long long *)arg);
  18         RT_TASK *curtask;
  19         RT_TASK_INFO curtaskinfo;
  20         curtask=rt_task_self();
  21         rt_task_inquire(curtask, &curtaskinfo);
  22         while(1){
  23                 rt_printf("Task name: %s\n", curtaskinfo.name);
  24                 rt_task_wait_period(NULL);
  25         }
  26 }
  27
  28 int main(int argc, char* argv[])
  29 {
  30         rt_print_auto_init(1);
  31         mlockall(MCL_CURRENT|MCL_FUTURE);
  32         rt_printf("start task\n");
  33
  34         rt_task_create(&task1, "t1", 0, 50, 0);
  35         rt_task_create(&task2, "t2", 0, 50, 0);
  36         rt_task_create(&task3, "t3", 0, 50, 0);
  37
  38         unsigned long long num1 = 1000000000LLU;
  39         unsigned long long num2 = 2000000000LLU;
  40         unsigned long long num3 = 3000000000LLU;
  41
  42         rt_task_start(&task1, &demo, (void *)&num1);
  43         rt_task_start(&task2, &demo, (void *)&num2);
  44         rt_task_start(&task3, &demo, (void *)&num3);
  45
  46         rt_printf("end program with CRTL+C\n");
  47         pause();
  48 }