1 #include <darwintest.h> 2 #include <os/atomic_private.h> 3 4 T_GLOBAL_META( 5 T_META_RUN_CONCURRENTLY(true), 6 T_META_CHECK_LEAKS(false) 7 ); 8 9 T_DECL(os_atomic, "Just to make sure things build at all in c++ mode", T_META_TAG_VM_PREFERRED) 10 { 11 static os_atomic(int) i; 12 static volatile int v_i = 0; 13 int old_i = 0; 14 int a, b; 15 16 T_ASSERT_EQ(os_atomic_inc_orig(&i, relaxed), 0, "atomic inc"); 17 T_ASSERT_EQ(os_atomic_cmpxchg(&i, 1, 0, relaxed), true, "os_atomic_cmpxchg"); 18 os_atomic_rmw_loop(&i, a, b, relaxed, { 19 b = a; 20 }); 21 22 T_ASSERT_EQ(os_atomic_inc_orig(&old_i, relaxed), 0, "atomic inc"); 23 T_ASSERT_EQ(os_atomic_cmpxchg(&old_i, 1, 0, relaxed), true, "os_atomic_cmpxchg"); 24 os_atomic_rmw_loop(&old_i, a, b, relaxed, { 25 b = a; 26 }); 27 28 T_ASSERT_EQ(os_atomic_inc_orig(&v_i, relaxed), 0, "atomic inc"); 29 T_ASSERT_EQ(os_atomic_cmpxchg(&v_i, 1, 0, relaxed), true, "os_atomic_cmpxchg"); 30 os_atomic_rmw_loop(&v_i, a, b, relaxed, { 31 b = a; 32 }); 33 } 34