test/rmwprog.c

   1 #include <stdio.h>
   2
   3 #include "libthreads.h"
   4 #include "librace.h"
   5 #include "stdatomic.h"
   6
   7 atomic_int x;
   8
   9 static void a(void *obj)
  10 {
  11         atomic_fetch_add_explicit(&x, 1, memory_order_relaxed);
  12         atomic_fetch_add_explicit(&x, 1, memory_order_relaxed);
  13 }
  14
  15 void user_main()
  16 {
  17         thrd_t t1, t2;
  18
  19         atomic_init(&x, 0);
  20         thrd_create(&t1, (thrd_start_t)&a, NULL);
  21         thrd_create(&t2, (thrd_start_t)&a, NULL);
  22
  23         thrd_join(t1);
  24         thrd_join(t2);
  25 }