C++ (Cpp) XCHG_FAMILY_TEST 예제들

예제 #1

파일: atomic64_test.c 프로젝트: AshishNamdev/linux

static __init void test_atomic64(void)
{
	long long v0 = 0xaaa31337c001d00dLL;
	long long v1 = 0xdeadbeefdeafcafeLL;
	long long v2 = 0xfaceabadf00df001LL;
	long long onestwos = 0x1111111122222222LL;
	long long one = 1LL;

	atomic64_t v = ATOMIC64_INIT(v0);
	long long r = v0;
	BUG_ON(v.counter != r);

	atomic64_set(&v, v1);
	r = v1;
	BUG_ON(v.counter != r);
	BUG_ON(atomic64_read(&v) != r);

	TEST(64, add, +=, onestwos);
	TEST(64, add, +=, -one);
	TEST(64, sub, -=, onestwos);
	TEST(64, sub, -=, -one);
	TEST(64, or, |=, v1);
	TEST(64, and, &=, v1);
	TEST(64, xor, ^=, v1);
	TEST(64, andnot, &= ~, v1);

	RETURN_FAMILY_TEST(64, add_return, +=, onestwos);
	RETURN_FAMILY_TEST(64, add_return, +=, -one);
	RETURN_FAMILY_TEST(64, sub_return, -=, onestwos);
	RETURN_FAMILY_TEST(64, sub_return, -=, -one);

	FETCH_FAMILY_TEST(64, fetch_add, +=, onestwos);
	FETCH_FAMILY_TEST(64, fetch_add, +=, -one);
	FETCH_FAMILY_TEST(64, fetch_sub, -=, onestwos);
	FETCH_FAMILY_TEST(64, fetch_sub, -=, -one);

	FETCH_FAMILY_TEST(64, fetch_or,  |=, v1);
	FETCH_FAMILY_TEST(64, fetch_and, &=, v1);
	FETCH_FAMILY_TEST(64, fetch_andnot, &= ~, v1);
	FETCH_FAMILY_TEST(64, fetch_xor, ^=, v1);

	INIT(v0);
	atomic64_inc(&v);
	r += one;
	BUG_ON(v.counter != r);

	INIT(v0);
	atomic64_dec(&v);
	r -= one;
	BUG_ON(v.counter != r);

	INC_RETURN_FAMILY_TEST(64, v0);
	DEC_RETURN_FAMILY_TEST(64, v0);

	XCHG_FAMILY_TEST(64, v0, v1);
	CMPXCHG_FAMILY_TEST(64, v0, v1, v2);

	INIT(v0);
	BUG_ON(atomic64_add_unless(&v, one, v0));
	BUG_ON(v.counter != r);

	INIT(v0);
	BUG_ON(!atomic64_add_unless(&v, one, v1));
	r += one;
	BUG_ON(v.counter != r);

	INIT(onestwos);
	BUG_ON(atomic64_dec_if_positive(&v) != (onestwos - 1));
	r -= one;
	BUG_ON(v.counter != r);

	INIT(0);
	BUG_ON(atomic64_dec_if_positive(&v) != -one);
	BUG_ON(v.counter != r);

	INIT(-one);
	BUG_ON(atomic64_dec_if_positive(&v) != (-one - one));
	BUG_ON(v.counter != r);

	INIT(onestwos);
	BUG_ON(!atomic64_inc_not_zero(&v));
	r += one;
	BUG_ON(v.counter != r);

	INIT(0);
	BUG_ON(atomic64_inc_not_zero(&v));
	BUG_ON(v.counter != r);

	INIT(-one);
	BUG_ON(!atomic64_inc_not_zero(&v));
	r += one;
	BUG_ON(v.counter != r);
}

예제 #2

파일: atomic64_test.c 프로젝트: a2hojsjsjs/linux

static __init void test_atomic64(void)
{
	long long v0 = 0xaaa31337c001d00dLL;
	long long v1 = 0xdeadbeefdeafcafeLL;
	long long v2 = 0xfaceabadf00df001LL;
	long long onestwos = 0x1111111122222222LL;
	long long one = 1LL;

	atomic64_t v = ATOMIC64_INIT(v0);
	long long r = v0;
	BUG_ON(v.counter != r);

	atomic64_set(&v, v1);
	r = v1;
	BUG_ON(v.counter != r);
	BUG_ON(atomic64_read(&v) != r);

	TEST(64, add, +=, onestwos);
	TEST(64, add, +=, -one);
	TEST(64, sub, -=, onestwos);
	TEST(64, sub, -=, -one);
	TEST(64, or, |=, v1);
	TEST(64, and, &=, v1);
	TEST(64, xor, ^=, v1);
	TEST(64, andnot, &= ~, v1);

	RETURN_FAMILY_TEST(64, add_return, +=, onestwos);
	RETURN_FAMILY_TEST(64, add_return, +=, -one);
	RETURN_FAMILY_TEST(64, sub_return, -=, onestwos);
	RETURN_FAMILY_TEST(64, sub_return, -=, -one);

	INIT(v0);
	atomic64_inc(&v);
	r += one;
	BUG_ON(v.counter != r);

	INIT(v0);
	atomic64_dec(&v);
	r -= one;
	BUG_ON(v.counter != r);

	INC_RETURN_FAMILY_TEST(64, v0);
	DEC_RETURN_FAMILY_TEST(64, v0);

	XCHG_FAMILY_TEST(64, v0, v1);
	CMPXCHG_FAMILY_TEST(64, v0, v1, v2);

	INIT(v0);
	BUG_ON(atomic64_add_unless(&v, one, v0));
	BUG_ON(v.counter != r);

	INIT(v0);
	BUG_ON(!atomic64_add_unless(&v, one, v1));
	r += one;
	BUG_ON(v.counter != r);

#ifdef CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
	INIT(onestwos);
	BUG_ON(atomic64_dec_if_positive(&v) != (onestwos - 1));
	r -= one;
	BUG_ON(v.counter != r);

	INIT(0);
	BUG_ON(atomic64_dec_if_positive(&v) != -one);
	BUG_ON(v.counter != r);

	INIT(-one);
	BUG_ON(atomic64_dec_if_positive(&v) != (-one - one));
	BUG_ON(v.counter != r);
#else
#warning Please implement atomic64_dec_if_positive for your architecture and select the above Kconfig symbol
#endif

	INIT(onestwos);
	BUG_ON(!atomic64_inc_not_zero(&v));
	r += one;
	BUG_ON(v.counter != r);

	INIT(0);
	BUG_ON(atomic64_inc_not_zero(&v));
	BUG_ON(v.counter != r);

	INIT(-one);
	BUG_ON(!atomic64_inc_not_zero(&v));
	r += one;
	BUG_ON(v.counter != r);
}