clang/test/userprog2_unannotated.c

   1 #include <stdio.h>
   2 #include <threads.h>
   3
   4 #include "libinterface.h"
   5
   6 int x;
   7 int y;
   8 int gr1;
   9 int gr2;
  10
  11 static void a(void *obj)
  12 {
  13         int r1=load_32(&y);
  14         if (r1) {
  15                 r1=42;
  16         } else {
  17                 r1=0;
  18         }
  19
  20         store_32(&x, r1);
  21
  22         store_32(&gr1, r1);
  23         printf("r1=%d\n",r1);
  24 }
  25
  26 static void b(void *obj)
  27 {
  28         int r2=load_32(&x);
  29         store_32(&y, 42);
  30
  31         store_32(&gr2, r2);
  32         printf("r2=%d\n",r2);
  33 }
  34
  35 int user_main(int argc, char **argv)
  36 {
  37         thrd_t t1, t2;
  38
  39         store_32(&x, 0);
  40         store_32(&y, 0);
  41
  42         printf("Main thread: creating 2 threads\n");
  43         thrd_create(&t1, (thrd_start_t)&a, NULL);
  44         thrd_create(&t2, (thrd_start_t)&b, NULL);
  45
  46         thrd_join(t1);
  47         thrd_join(t2);
  48         printf("Main thread is finished\n");
  49         int lgr1=load_32(&gr1);
  50
  51         int lgr2=load_32(&gr2);
  52         if (lgr1==42) {
  53                 if (lgr2==42) {
  54                 } else {
  55                 }
  56         } else {
  57         }
  58
  59         return 0;
  60 }