+#include <stdlib.h>
#include <stdio.h>
#include <threads.h>
#include <stdatomic.h>
#include "librace.h"
+#include "model-assert.h"
atomic_int x;
+static int N = 2;
static void a(void *obj)
{
- atomic_fetch_add_explicit(&x, 1, memory_order_relaxed);
- atomic_fetch_add_explicit(&x, 1, memory_order_relaxed);
+ int i;
+ for (i = 0; i < N; i++)
+ atomic_fetch_add_explicit(&x, 1, memory_order_relaxed);
}
int user_main(int argc, char **argv)
{
thrd_t t1, t2;
+ if (argc > 1)
+ N = atoi(argv[1]);
+
atomic_init(&x, 0);
thrd_create(&t1, (thrd_start_t)&a, NULL);
thrd_create(&t2, (thrd_start_t)&a, NULL);
thrd_join(t1);
thrd_join(t2);
+ MODEL_ASSERT(atomic_load(&x) == N * 2);
+
return 0;
}