natanael/ex02/ex02.c

   1 #include <stdio.h>
   2 #include <signal.h>
   3 #include <unistd.h>
   4 #include <sys/mman.h>
   5
   6 #include <native/task.h>
   7 #include <native/timer.h>
   8
   9 #include  <rtdk.h>
  10 RT_TASK demo_task;
  11
  12 void demo(void *arg)
  13 {
  14   RT_TASK *curtask;
  15   RT_TASK_INFO curtaskinfo;
  16
  17   // inquire current task
  18   curtask=rt_task_self();
  19   rt_task_inquire(curtask,&curtaskinfo);
  20
  21   // print task name
  22   rt_printf("Task name : %s \n", curtaskinfo.name);
  23 }
  24
  25 int main(int argc, char* argv[])
  26 {
  27   char  str[10] ;
  28   int i;
  29
  30   // Perform auto-init of rt_print buffers if the task doesn't do so
  31   rt_print_auto_init(1);
  32
  33   // Lock memory : avoid memory swapping for this program
  34   mlockall(MCL_CURRENT|MCL_FUTURE);
  35
  36   rt_printf("start task\n");
  37
  38   for (i=0; i<5; i++)
  39   {
  40           /*
  41            * Arguments: &task,
  42            *            name,
  43            *            stack size (0=default),
  44            *            priority,
  45            *            mode (FPU, start suspended, ...)
  46            */
  47           sprintf(str,"hello-%d",i);
  48           rt_task_create(&demo_task, str, 0, 50, 0);
  49           /*
  50            * Arguments: &task,
  51            *            task function,
  52            *            function argument
  53            */
  54           rt_task_start(&demo_task, &demo, 0);
  55   }
  56
  57 }