204 lines
6.4 KiB
C++
204 lines
6.4 KiB
C++
// Copyright (c) 2011 Helge Bahmann
|
|
//
|
|
// Distributed under the Boost Software License, Version 1.0.
|
|
// See accompanying file LICENSE_1_0.txt or copy at
|
|
// http://www.boost.org/LICENSE_1_0.txt)
|
|
|
|
// Verify that definition of the "LOCK_FREE" macros and the
|
|
// "is_lock_free" members is consistent and matches expectations.
|
|
// Also, if any operation is lock-free, then the platform
|
|
// implementation must provide overridden fence implementations.
|
|
|
|
#include <iostream>
|
|
|
|
#include <boost/config.hpp>
|
|
#include <boost/atomic.hpp>
|
|
#include <boost/test/minimal.hpp>
|
|
|
|
static const char * lock_free_level[] = {
|
|
"never",
|
|
"sometimes",
|
|
"always"
|
|
};
|
|
|
|
template<typename T>
|
|
void
|
|
verify_lock_free(const char * type_name, int lock_free_macro_val, int lock_free_expect)
|
|
{
|
|
BOOST_CHECK(lock_free_macro_val >= 0 && lock_free_macro_val <= 2);
|
|
BOOST_CHECK(lock_free_macro_val == lock_free_expect);
|
|
|
|
boost::atomic<T> value;
|
|
|
|
if (lock_free_macro_val == 0)
|
|
BOOST_CHECK(!value.is_lock_free());
|
|
if (lock_free_macro_val == 2)
|
|
BOOST_CHECK(value.is_lock_free());
|
|
|
|
std::cout << "atomic<" << type_name << "> is " << lock_free_level[lock_free_macro_val] << " lock free\n";
|
|
}
|
|
|
|
#if defined(__GNUC__) && defined(__i386__)
|
|
|
|
#define EXPECT_CHAR_LOCK_FREE 2
|
|
#define EXPECT_SHORT_LOCK_FREE 2
|
|
#define EXPECT_INT_LOCK_FREE 2
|
|
#define EXPECT_LONG_LOCK_FREE 2
|
|
#if defined(BOOST_ATOMIC_X86_HAS_CMPXCHG8B)
|
|
#define EXPECT_LLONG_LOCK_FREE 2
|
|
#else
|
|
#define EXPECT_LLONG_LOCK_FREE 0
|
|
#endif
|
|
#define EXPECT_INT128_LOCK_FREE 0
|
|
#define EXPECT_POINTER_LOCK_FREE 2
|
|
#define EXPECT_BOOL_LOCK_FREE 2
|
|
|
|
#elif defined(__GNUC__) && defined(__x86_64__)
|
|
|
|
#define EXPECT_CHAR_LOCK_FREE 2
|
|
#define EXPECT_SHORT_LOCK_FREE 2
|
|
#define EXPECT_INT_LOCK_FREE 2
|
|
#define EXPECT_LONG_LOCK_FREE 2
|
|
#define EXPECT_LLONG_LOCK_FREE 2
|
|
#if defined(BOOST_ATOMIC_X86_HAS_CMPXCHG16B) && defined(BOOST_HAS_INT128)
|
|
#define EXPECT_INT128_LOCK_FREE 2
|
|
#else
|
|
#define EXPECT_INT128_LOCK_FREE 0
|
|
#endif
|
|
#define EXPECT_POINTER_LOCK_FREE 2
|
|
#define EXPECT_BOOL_LOCK_FREE 2
|
|
|
|
#elif defined(__GNUC__) && (defined(__POWERPC__) || defined(__PPC__))
|
|
|
|
#define EXPECT_CHAR_LOCK_FREE 2
|
|
#define EXPECT_CHAR16_T_LOCK_FREE 2
|
|
#define EXPECT_CHAR32_T_LOCK_FREE 2
|
|
#define EXPECT_WCHAR_T_LOCK_FREE 2
|
|
#define EXPECT_SHORT_LOCK_FREE 2
|
|
#define EXPECT_INT_LOCK_FREE 2
|
|
#define EXPECT_LONG_LOCK_FREE 2
|
|
#if defined(__powerpc64__)
|
|
#define EXPECT_LLONG_LOCK_FREE 2
|
|
#else
|
|
#define EXPECT_LLONG_LOCK_FREE 0
|
|
#endif
|
|
#define EXPECT_INT128_LOCK_FREE 0
|
|
#define EXPECT_POINTER_LOCK_FREE 2
|
|
#define EXPECT_BOOL_LOCK_FREE 2
|
|
|
|
#elif defined(__GNUC__) && defined(__alpha__)
|
|
|
|
#define EXPECT_CHAR_LOCK_FREE 2
|
|
#define EXPECT_CHAR16_T_LOCK_FREE 2
|
|
#define EXPECT_CHAR32_T_LOCK_FREE 2
|
|
#define EXPECT_WCHAR_T_LOCK_FREE 2
|
|
#define EXPECT_SHORT_LOCK_FREE 2
|
|
#define EXPECT_INT_LOCK_FREE 2
|
|
#define EXPECT_LONG_LOCK_FREE 2
|
|
#define EXPECT_LLONG_LOCK_FREE 2
|
|
#define EXPECT_INT128_LOCK_FREE 0
|
|
#define EXPECT_POINTER_LOCK_FREE 2
|
|
#define EXPECT_BOOL_LOCK_FREE 2
|
|
|
|
#elif defined(__GNUC__) && (defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \
|
|
|| defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) \
|
|
|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_7A__))
|
|
|
|
#define EXPECT_CHAR_LOCK_FREE 2
|
|
#define EXPECT_SHORT_LOCK_FREE 2
|
|
#define EXPECT_INT_LOCK_FREE 2
|
|
#define EXPECT_LONG_LOCK_FREE 2
|
|
#define EXPECT_LLONG_LOCK_FREE 0
|
|
#define EXPECT_INT128_LOCK_FREE 0
|
|
#define EXPECT_POINTER_LOCK_FREE 2
|
|
#define EXPECT_BOOL_LOCK_FREE 2
|
|
|
|
#elif defined(__linux__) && defined(__arm__)
|
|
|
|
#define EXPECT_CHAR_LOCK_FREE 2
|
|
#define EXPECT_SHORT_LOCK_FREE 2
|
|
#define EXPECT_INT_LOCK_FREE 2
|
|
#define EXPECT_LONG_LOCK_FREE 2
|
|
#define EXPECT_LLONG_LOCK_FREE 0
|
|
#define EXPECT_INT128_LOCK_FREE 0
|
|
#define EXPECT_POINTER_LOCK_FREE 2
|
|
#define EXPECT_BOOL_LOCK_FREE 2
|
|
|
|
#elif defined(__GNUC__) && defined(__sparc_v9__)
|
|
|
|
#define EXPECT_CHAR_LOCK_FREE 2
|
|
#define EXPECT_SHORT_LOCK_FREE 2
|
|
#define EXPECT_INT_LOCK_FREE 2
|
|
#define EXPECT_LONG_LOCK_FREE 2
|
|
#define EXPECT_LLONG_LOCK_FREE 0
|
|
#define EXPECT_INT128_LOCK_FREE 0
|
|
#define EXPECT_POINTER_LOCK_FREE 2
|
|
#define EXPECT_BOOL_LOCK_FREE 2
|
|
|
|
#elif defined(BOOST_USE_WINDOWS_H) || defined(_WIN32_CE) || defined(BOOST_MSVC) || defined(BOOST_INTEL_WIN) || defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
|
|
|
|
#define EXPECT_CHAR_LOCK_FREE 2
|
|
#define EXPECT_SHORT_LOCK_FREE 2
|
|
#define EXPECT_INT_LOCK_FREE 2
|
|
#define EXPECT_LONG_LOCK_FREE 2
|
|
#if defined(_WIN64) || defined(BOOST_ATOMIC_X86_HAS_CMPXCHG8B) || defined(_M_AMD64) || defined(_M_IA64)
|
|
#define EXPECT_LLONG_LOCK_FREE 2
|
|
#else
|
|
#define EXPECT_LLONG_LOCK_FREE 0
|
|
#endif
|
|
#define EXPECT_INT128_LOCK_FREE 0
|
|
#define EXPECT_POINTER_LOCK_FREE 2
|
|
#define EXPECT_BOOL_LOCK_FREE 2
|
|
|
|
#elif 0 && defined(__GNUC__)
|
|
|
|
#define EXPECT_CHAR_LOCK_FREE 2
|
|
#define EXPECT_SHORT_LOCK_FREE 2
|
|
#define EXPECT_INT_LOCK_FREE 2
|
|
#define EXPECT_LONG_LOCK_FREE (sizeof(long) <= 4 ? 2 : 0)
|
|
#define EXPECT_LLONG_LOCK_FREE (sizeof(long long) <= 4 ? 2 : 0)
|
|
#define EXPECT_INT128_LOCK_FREE 0
|
|
#define EXPECT_POINTER_LOCK_FREE (sizeof(void *) <= 4 ? 2 : 0)
|
|
#define EXPECT_BOOL_LOCK_FREE 2
|
|
|
|
#else
|
|
|
|
#define EXPECT_CHAR_LOCK_FREE 0
|
|
#define EXPECT_SHORT_LOCK_FREE 0
|
|
#define EXPECT_INT_LOCK_FREE 0
|
|
#define EXPECT_LONG_LOCK_FREE 0
|
|
#define EXPECT_LLONG_LOCK_FREE 0
|
|
#define EXPECT_INT128_LOCK_FREE 0
|
|
#define EXPECT_POINTER_LOCK_FREE 0
|
|
#define EXPECT_BOOL_LOCK_FREE 0
|
|
|
|
#endif
|
|
|
|
int test_main(int, char *[])
|
|
{
|
|
verify_lock_free<char>("char", BOOST_ATOMIC_CHAR_LOCK_FREE, EXPECT_CHAR_LOCK_FREE);
|
|
verify_lock_free<short>("short", BOOST_ATOMIC_SHORT_LOCK_FREE, EXPECT_SHORT_LOCK_FREE);
|
|
verify_lock_free<int>("int", BOOST_ATOMIC_INT_LOCK_FREE, EXPECT_INT_LOCK_FREE);
|
|
verify_lock_free<long>("long", BOOST_ATOMIC_LONG_LOCK_FREE, EXPECT_LONG_LOCK_FREE);
|
|
#ifdef BOOST_HAS_LONG_LONG
|
|
verify_lock_free<long long>("long long", BOOST_ATOMIC_LLONG_LOCK_FREE, EXPECT_LLONG_LOCK_FREE);
|
|
#endif
|
|
#ifdef BOOST_HAS_INT128
|
|
verify_lock_free<boost::int128_type>("int128", BOOST_ATOMIC_INT128_LOCK_FREE, EXPECT_INT128_LOCK_FREE);
|
|
#endif
|
|
verify_lock_free<void *>("void *", BOOST_ATOMIC_POINTER_LOCK_FREE, EXPECT_SHORT_LOCK_FREE);
|
|
verify_lock_free<bool>("bool", BOOST_ATOMIC_BOOL_LOCK_FREE, EXPECT_BOOL_LOCK_FREE);
|
|
|
|
bool any_lock_free =
|
|
BOOST_ATOMIC_CHAR_LOCK_FREE > 0 ||
|
|
BOOST_ATOMIC_SHORT_LOCK_FREE > 0 ||
|
|
BOOST_ATOMIC_INT_LOCK_FREE > 0 ||
|
|
BOOST_ATOMIC_LONG_LOCK_FREE > 0 ||
|
|
BOOST_ATOMIC_LLONG_LOCK_FREE > 0 ||
|
|
BOOST_ATOMIC_BOOL_LOCK_FREE > 0;
|
|
|
|
BOOST_CHECK(!any_lock_free || BOOST_ATOMIC_THREAD_FENCE > 0);
|
|
|
|
return 0;
|
|
}
|