1*a1e26a70SApple OSS Distributions #include <darwintest.h> 2*a1e26a70SApple OSS Distributions #include <os/atomic_private.h> 3*a1e26a70SApple OSS Distributions 4*a1e26a70SApple OSS Distributions T_GLOBAL_META( 5*a1e26a70SApple OSS Distributions T_META_RUN_CONCURRENTLY(true), 6*a1e26a70SApple OSS Distributions T_META_CHECK_LEAKS(false) 7*a1e26a70SApple OSS Distributions ); 8*a1e26a70SApple OSS Distributions 9*a1e26a70SApple OSS Distributions T_DECL(os_atomic, "Just to make sure things build at all in c++ mode", T_META_TAG_VM_PREFERRED) 10*a1e26a70SApple OSS Distributions { 11*a1e26a70SApple OSS Distributions static os_atomic(int) i; 12*a1e26a70SApple OSS Distributions static volatile int v_i = 0; 13*a1e26a70SApple OSS Distributions int old_i = 0; 14*a1e26a70SApple OSS Distributions int a, b; 15*a1e26a70SApple OSS Distributions 16*a1e26a70SApple OSS Distributions T_ASSERT_EQ(os_atomic_inc_orig(&i, relaxed), 0, "atomic inc"); 17*a1e26a70SApple OSS Distributions T_ASSERT_EQ(os_atomic_cmpxchg(&i, 1, 0, relaxed), true, "os_atomic_cmpxchg"); 18*a1e26a70SApple OSS Distributions os_atomic_rmw_loop(&i, a, b, relaxed, { 19*a1e26a70SApple OSS Distributions b = a; 20*a1e26a70SApple OSS Distributions }); 21*a1e26a70SApple OSS Distributions 22*a1e26a70SApple OSS Distributions T_ASSERT_EQ(os_atomic_inc_orig(&old_i, relaxed), 0, "atomic inc"); 23*a1e26a70SApple OSS Distributions T_ASSERT_EQ(os_atomic_cmpxchg(&old_i, 1, 0, relaxed), true, "os_atomic_cmpxchg"); 24*a1e26a70SApple OSS Distributions os_atomic_rmw_loop(&old_i, a, b, relaxed, { 25*a1e26a70SApple OSS Distributions b = a; 26*a1e26a70SApple OSS Distributions }); 27*a1e26a70SApple OSS Distributions 28*a1e26a70SApple OSS Distributions T_ASSERT_EQ(os_atomic_inc_orig(&v_i, relaxed), 0, "atomic inc"); 29*a1e26a70SApple OSS Distributions T_ASSERT_EQ(os_atomic_cmpxchg(&v_i, 1, 0, relaxed), true, "os_atomic_cmpxchg"); 30*a1e26a70SApple OSS Distributions os_atomic_rmw_loop(&v_i, a, b, relaxed, { 31*a1e26a70SApple OSS Distributions b = a; 32*a1e26a70SApple OSS Distributions }); 33*a1e26a70SApple OSS Distributions } 34