mirror of
https://github.com/boostorg/atomic.git
synced 2025-05-12 14:01:44 +00:00
80cfbfd0de
The inter-process atomics have ipc_ prefixes: ipc_atomic, ipc_atomic_ref and ipc_atomic_flag. These types are similar to their unprefixed counterparts with the following distinctions: - The operations are provided with an added precondition that is_lock_free() returns true. - All operations, including waiting/notifying operations, are address-free, so the types are suitable for inter-process communication. - The new has_native_wait_notify() operation and always_has_native_wait_notify static constant allow to test if the target platform has native support for address-free waiting/notifying operations. If it does not, a generic implementation is used based on a busy wait. - The new set of capability macros added. The macros are named BOOST_ATOMIC_HAS_NATIVE_<T>_IPC_WAIT_NOTIFY and indicate whether address-free waiting/notifying operations are supported natively for a given type. Additionally, to unify interface and implementation of different components, the has_native_wait_notify() operation and always_has_native_wait_notify static constant were added to non-IPC atomic types as well. Added BOOST_ATOMIC_HAS_NATIVE_<T>_WAIT_NOTIFY capability macros to indicate native support for inter-thread waiting/notifying operations. Also, added is_lock_free() and is_always_lock_free to atomic_flag. This commit adds implementation, docs and tests.
63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
// Copyright (c) 2020 Andrey Semashev
|
|
//
|
|
// 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)
|
|
|
|
#include <boost/atomic/ipc_atomic_ref.hpp>
|
|
#include <boost/atomic/capabilities.hpp>
|
|
|
|
#include <boost/config.hpp>
|
|
#include <boost/cstdint.hpp>
|
|
|
|
#include "api_test_helpers.hpp"
|
|
|
|
int main(int, char *[])
|
|
{
|
|
#if BOOST_ATOMIC_INT8_LOCK_FREE == 2
|
|
test_integral_api< ipc_atomic_ref_wrapper, boost::uint8_t >();
|
|
test_integral_api< ipc_atomic_ref_wrapper, boost::int8_t >();
|
|
#endif
|
|
#if BOOST_ATOMIC_INT16_LOCK_FREE == 2
|
|
test_integral_api< ipc_atomic_ref_wrapper, boost::uint16_t >();
|
|
test_integral_api< ipc_atomic_ref_wrapper, boost::int16_t >();
|
|
#endif
|
|
#if BOOST_ATOMIC_INT32_LOCK_FREE == 2
|
|
test_integral_api< ipc_atomic_ref_wrapper, boost::uint32_t >();
|
|
test_integral_api< ipc_atomic_ref_wrapper, boost::int32_t >();
|
|
#endif
|
|
#if BOOST_ATOMIC_INT64_LOCK_FREE == 2
|
|
test_integral_api< ipc_atomic_ref_wrapper, boost::uint64_t >();
|
|
test_integral_api< ipc_atomic_ref_wrapper, boost::int64_t >();
|
|
#endif
|
|
#if defined(BOOST_HAS_INT128) && !defined(BOOST_ATOMIC_TESTS_NO_INT128) && BOOST_ATOMIC_INT128_LOCK_FREE == 2
|
|
test_integral_api< ipc_atomic_ref_wrapper, boost::int128_type >();
|
|
test_integral_api< ipc_atomic_ref_wrapper, boost::uint128_type >();
|
|
#endif
|
|
|
|
#if !defined(BOOST_ATOMIC_NO_FLOATING_POINT)
|
|
#if BOOST_ATOMIC_FLOAT_LOCK_FREE == 2
|
|
test_floating_point_api< ipc_atomic_ref_wrapper, float >();
|
|
#endif
|
|
#if BOOST_ATOMIC_DOUBLE_LOCK_FREE == 2
|
|
test_floating_point_api< ipc_atomic_ref_wrapper, double >();
|
|
#endif
|
|
#if BOOST_ATOMIC_LONG_DOUBLE_LOCK_FREE == 2
|
|
test_floating_point_api< ipc_atomic_ref_wrapper, long double >();
|
|
#endif
|
|
#if defined(BOOST_HAS_FLOAT128) && !defined(BOOST_ATOMIC_TESTS_NO_FLOAT128) && BOOST_ATOMIC_FLOAT128_LOCK_FREE == 2
|
|
test_floating_point_api< ipc_atomic_ref_wrapper, boost::float128_type >();
|
|
#endif
|
|
#endif
|
|
|
|
#if BOOST_ATOMIC_POINTER_LOCK_FREE == 2
|
|
test_pointer_api< ipc_atomic_ref_wrapper, int >();
|
|
#endif
|
|
|
|
#if BOOST_ATOMIC_INT_LOCK_FREE == 2
|
|
test_enum_api< ipc_atomic_ref_wrapper >();
|
|
#endif
|
|
|
|
return boost::report_errors();
|
|
}
|