natanael/ex02/ex02c.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   int num = * (int *)arg;
  23   rt_printf("Task name : %s - Argument %d \n", curtaskinfo.name,num);
  24 }
  25
  26 int main(int argc, char* argv[])
  27 {
  28   char  str[10] ;
  29   int i;
  30
  31   // Perform auto-init of rt_print buffers if the task doesn't do so
  32   rt_print_auto_init(1);
  33
  34   // Lock memory : avoid memory swapping for this program
  35   mlockall(MCL_CURRENT|MCL_FUTURE);
  36
  37   rt_printf("start task\n");
  38
  39   for (i=0; i<5; i++)
  40   {
  41           /*
  42            * Arguments: &task,
  43            *            name,
  44            *            stack size (0=default),
  45            *            priority,
  46            *            mode (FPU, start suspended, ...)
  47            */
  48           sprintf(str,"hello-%d",i);
  49           rt_task_create(&demo_task, str, 0, 50+i, 0);
  50
  51           /*
  52            * Arguments: &task,
  53            *            task function,
  54            *            function argument
  55            */
  56           rt_task_start(&demo_task, &demo, &i);
  57   }
  58
  59 }