+#include <stdlib.h>
#include <stdio.h>
+#include <threads.h>
+#include <stdatomic.h>
-#include "libthreads.h"
#include "librace.h"
-#include "stdatomic.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);
}
-void user_main()
+int user_main(int argc, char **argv)
{
thrd_t t1, t2;
- atomic_init(&x, 0);
+ 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;
}