mirror of
https://github.com/ecency/ecency-mobile.git
synced 2024-12-21 12:21:31 +03:00
314 lines
9.1 KiB
C++
314 lines
9.1 KiB
C++
#ifndef BOOST_THREAD_PTHREAD_ONCE_ATOMIC_HPP
|
|
#define BOOST_THREAD_PTHREAD_ONCE_ATOMIC_HPP
|
|
|
|
// once.hpp
|
|
//
|
|
// (C) Copyright 2013 Andrey Semashev
|
|
// (C) Copyright 2013 Vicente J. Botet Escriba
|
|
//
|
|
// 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/thread/detail/config.hpp>
|
|
|
|
#include <boost/cstdint.hpp>
|
|
#include <boost/thread/detail/move.hpp>
|
|
#include <boost/thread/detail/invoke.hpp>
|
|
#include <boost/core/no_exceptions_support.hpp>
|
|
#include <boost/bind.hpp>
|
|
#include <boost/atomic.hpp>
|
|
|
|
#include <boost/config/abi_prefix.hpp>
|
|
|
|
namespace boost
|
|
{
|
|
|
|
struct once_flag;
|
|
|
|
namespace thread_detail
|
|
{
|
|
|
|
#if BOOST_ATOMIC_INT_LOCK_FREE == 2
|
|
typedef unsigned int atomic_int_type;
|
|
#elif BOOST_ATOMIC_SHORT_LOCK_FREE == 2
|
|
typedef unsigned short atomic_int_type;
|
|
#elif BOOST_ATOMIC_CHAR_LOCK_FREE == 2
|
|
typedef unsigned char atomic_int_type;
|
|
#elif BOOST_ATOMIC_LONG_LOCK_FREE == 2
|
|
typedef unsigned long atomic_int_type;
|
|
#elif defined(BOOST_HAS_LONG_LONG) && BOOST_ATOMIC_LLONG_LOCK_FREE == 2
|
|
typedef ulong_long_type atomic_int_type;
|
|
#else
|
|
// All tested integer types are not atomic, the spinlock pool will be used
|
|
typedef unsigned int atomic_int_type;
|
|
#endif
|
|
|
|
typedef boost::atomic<atomic_int_type> atomic_type;
|
|
|
|
BOOST_THREAD_DECL bool enter_once_region(once_flag& flag) BOOST_NOEXCEPT;
|
|
BOOST_THREAD_DECL void commit_once_region(once_flag& flag) BOOST_NOEXCEPT;
|
|
BOOST_THREAD_DECL void rollback_once_region(once_flag& flag) BOOST_NOEXCEPT;
|
|
inline atomic_type& get_atomic_storage(once_flag& flag) BOOST_NOEXCEPT;
|
|
}
|
|
|
|
#ifdef BOOST_THREAD_PROVIDES_ONCE_CXX11
|
|
|
|
struct once_flag
|
|
{
|
|
BOOST_THREAD_NO_COPYABLE(once_flag)
|
|
BOOST_CONSTEXPR once_flag() BOOST_NOEXCEPT : storage(0)
|
|
{
|
|
}
|
|
|
|
private:
|
|
thread_detail::atomic_type storage;
|
|
|
|
friend BOOST_THREAD_DECL bool thread_detail::enter_once_region(once_flag& flag) BOOST_NOEXCEPT;
|
|
friend BOOST_THREAD_DECL void thread_detail::commit_once_region(once_flag& flag) BOOST_NOEXCEPT;
|
|
friend BOOST_THREAD_DECL void thread_detail::rollback_once_region(once_flag& flag) BOOST_NOEXCEPT;
|
|
friend thread_detail::atomic_type& thread_detail::get_atomic_storage(once_flag& flag) BOOST_NOEXCEPT;
|
|
};
|
|
|
|
#define BOOST_ONCE_INIT boost::once_flag()
|
|
|
|
namespace thread_detail
|
|
{
|
|
inline atomic_type& get_atomic_storage(once_flag& flag) BOOST_NOEXCEPT
|
|
{
|
|
//return reinterpret_cast< atomic_type& >(flag.storage);
|
|
return flag.storage;
|
|
}
|
|
}
|
|
|
|
#else // BOOST_THREAD_PROVIDES_ONCE_CXX11
|
|
struct once_flag
|
|
{
|
|
// The thread_detail::atomic_int_type storage is marked
|
|
// with this attribute in order to let the compiler know that it will alias this member
|
|
// and silence compilation warnings.
|
|
BOOST_THREAD_ATTRIBUTE_MAY_ALIAS thread_detail::atomic_int_type storage;
|
|
};
|
|
|
|
#define BOOST_ONCE_INIT {0}
|
|
|
|
namespace thread_detail
|
|
{
|
|
inline atomic_type& get_atomic_storage(once_flag& flag) BOOST_NOEXCEPT
|
|
{
|
|
return reinterpret_cast< atomic_type& >(flag.storage);
|
|
}
|
|
|
|
}
|
|
|
|
#endif // BOOST_THREAD_PROVIDES_ONCE_CXX11
|
|
|
|
#if defined BOOST_THREAD_PROVIDES_INVOKE
|
|
#define BOOST_THREAD_INVOKE_RET_VOID detail::invoke
|
|
#define BOOST_THREAD_INVOKE_RET_VOID_CALL
|
|
#elif defined BOOST_THREAD_PROVIDES_INVOKE_RET
|
|
#define BOOST_THREAD_INVOKE_RET_VOID detail::invoke<void>
|
|
#define BOOST_THREAD_INVOKE_RET_VOID_CALL
|
|
#else
|
|
#define BOOST_THREAD_INVOKE_RET_VOID boost::bind
|
|
#define BOOST_THREAD_INVOKE_RET_VOID_CALL ()
|
|
#endif
|
|
|
|
|
|
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
|
|
|
|
template<typename Function, class ...ArgTypes>
|
|
inline void call_once(once_flag& flag, BOOST_THREAD_RV_REF(Function) f, BOOST_THREAD_RV_REF(ArgTypes)... args)
|
|
{
|
|
if (thread_detail::enter_once_region(flag))
|
|
{
|
|
BOOST_TRY
|
|
{
|
|
BOOST_THREAD_INVOKE_RET_VOID(
|
|
thread_detail::decay_copy(boost::forward<Function>(f)),
|
|
thread_detail::decay_copy(boost::forward<ArgTypes>(args))...
|
|
) BOOST_THREAD_INVOKE_RET_VOID_CALL;
|
|
}
|
|
BOOST_CATCH (...)
|
|
{
|
|
thread_detail::rollback_once_region(flag);
|
|
BOOST_RETHROW
|
|
}
|
|
BOOST_CATCH_END
|
|
thread_detail::commit_once_region(flag);
|
|
}
|
|
}
|
|
#else
|
|
template<typename Function>
|
|
inline void call_once(once_flag& flag, Function f)
|
|
{
|
|
if (thread_detail::enter_once_region(flag))
|
|
{
|
|
BOOST_TRY
|
|
{
|
|
f();
|
|
}
|
|
BOOST_CATCH (...)
|
|
{
|
|
thread_detail::rollback_once_region(flag);
|
|
BOOST_RETHROW
|
|
}
|
|
BOOST_CATCH_END
|
|
thread_detail::commit_once_region(flag);
|
|
}
|
|
}
|
|
|
|
template<typename Function, typename T1>
|
|
inline void call_once(once_flag& flag, Function f, T1 p1)
|
|
{
|
|
if (thread_detail::enter_once_region(flag))
|
|
{
|
|
BOOST_TRY
|
|
{
|
|
BOOST_THREAD_INVOKE_RET_VOID(f, p1) BOOST_THREAD_INVOKE_RET_VOID_CALL;
|
|
}
|
|
BOOST_CATCH (...)
|
|
{
|
|
thread_detail::rollback_once_region(flag);
|
|
BOOST_RETHROW
|
|
}
|
|
BOOST_CATCH_END
|
|
thread_detail::commit_once_region(flag);
|
|
}
|
|
}
|
|
|
|
template<typename Function, typename T1, typename T2>
|
|
inline void call_once(once_flag& flag, Function f, T1 p1, T2 p2)
|
|
{
|
|
if (thread_detail::enter_once_region(flag))
|
|
{
|
|
BOOST_TRY
|
|
{
|
|
BOOST_THREAD_INVOKE_RET_VOID(f, p1, p2) BOOST_THREAD_INVOKE_RET_VOID_CALL;
|
|
}
|
|
BOOST_CATCH (...)
|
|
{
|
|
thread_detail::rollback_once_region(flag);
|
|
BOOST_RETHROW
|
|
}
|
|
BOOST_CATCH_END
|
|
thread_detail::commit_once_region(flag);
|
|
}
|
|
}
|
|
|
|
template<typename Function, typename T1, typename T2, typename T3>
|
|
inline void call_once(once_flag& flag, Function f, T1 p1, T2 p2, T3 p3)
|
|
{
|
|
if (thread_detail::enter_once_region(flag))
|
|
{
|
|
BOOST_TRY
|
|
{
|
|
BOOST_THREAD_INVOKE_RET_VOID(f, p1, p2, p3) BOOST_THREAD_INVOKE_RET_VOID_CALL;
|
|
}
|
|
BOOST_CATCH (...)
|
|
{
|
|
thread_detail::rollback_once_region(flag);
|
|
BOOST_RETHROW
|
|
}
|
|
BOOST_CATCH_END
|
|
thread_detail::commit_once_region(flag);
|
|
}
|
|
}
|
|
#if !(defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, <= 0x5130))
|
|
template<typename Function>
|
|
inline void call_once(once_flag& flag, BOOST_THREAD_RV_REF(Function) f)
|
|
{
|
|
if (thread_detail::enter_once_region(flag))
|
|
{
|
|
BOOST_TRY
|
|
{
|
|
f();
|
|
}
|
|
BOOST_CATCH (...)
|
|
{
|
|
thread_detail::rollback_once_region(flag);
|
|
BOOST_RETHROW
|
|
}
|
|
BOOST_CATCH_END
|
|
thread_detail::commit_once_region(flag);
|
|
}
|
|
}
|
|
|
|
template<typename Function, typename T1>
|
|
inline void call_once(once_flag& flag, BOOST_THREAD_RV_REF(Function) f, BOOST_THREAD_RV_REF(T1) p1)
|
|
{
|
|
if (thread_detail::enter_once_region(flag))
|
|
{
|
|
BOOST_TRY
|
|
{
|
|
BOOST_THREAD_INVOKE_RET_VOID(
|
|
thread_detail::decay_copy(boost::forward<Function>(f)),
|
|
thread_detail::decay_copy(boost::forward<T1>(p1))
|
|
) BOOST_THREAD_INVOKE_RET_VOID_CALL;
|
|
}
|
|
BOOST_CATCH (...)
|
|
{
|
|
thread_detail::rollback_once_region(flag);
|
|
BOOST_RETHROW
|
|
}
|
|
BOOST_CATCH_END
|
|
thread_detail::commit_once_region(flag);
|
|
}
|
|
}
|
|
template<typename Function, typename T1, typename T2>
|
|
inline void call_once(once_flag& flag, BOOST_THREAD_RV_REF(Function) f, BOOST_THREAD_RV_REF(T1) p1, BOOST_THREAD_RV_REF(T2) p2)
|
|
{
|
|
if (thread_detail::enter_once_region(flag))
|
|
{
|
|
BOOST_TRY
|
|
{
|
|
BOOST_THREAD_INVOKE_RET_VOID(
|
|
thread_detail::decay_copy(boost::forward<Function>(f)),
|
|
thread_detail::decay_copy(boost::forward<T1>(p1)),
|
|
thread_detail::decay_copy(boost::forward<T1>(p2))
|
|
) BOOST_THREAD_INVOKE_RET_VOID_CALL;
|
|
}
|
|
BOOST_CATCH (...)
|
|
{
|
|
thread_detail::rollback_once_region(flag);
|
|
BOOST_RETHROW
|
|
}
|
|
BOOST_CATCH_END
|
|
thread_detail::commit_once_region(flag);
|
|
}
|
|
}
|
|
template<typename Function, typename T1, typename T2, typename T3>
|
|
inline void call_once(once_flag& flag, BOOST_THREAD_RV_REF(Function) f, BOOST_THREAD_RV_REF(T1) p1, BOOST_THREAD_RV_REF(T2) p2, BOOST_THREAD_RV_REF(T3) p3)
|
|
{
|
|
if (thread_detail::enter_once_region(flag))
|
|
{
|
|
BOOST_TRY
|
|
{
|
|
BOOST_THREAD_INVOKE_RET_VOID(
|
|
thread_detail::decay_copy(boost::forward<Function>(f)),
|
|
thread_detail::decay_copy(boost::forward<T1>(p1)),
|
|
thread_detail::decay_copy(boost::forward<T1>(p2)),
|
|
thread_detail::decay_copy(boost::forward<T1>(p3))
|
|
) BOOST_THREAD_INVOKE_RET_VOID_CALL;
|
|
|
|
}
|
|
BOOST_CATCH (...)
|
|
{
|
|
thread_detail::rollback_once_region(flag);
|
|
BOOST_RETHROW
|
|
}
|
|
BOOST_CATCH_END
|
|
thread_detail::commit_once_region(flag);
|
|
}
|
|
}
|
|
|
|
#endif // __SUNPRO_CC
|
|
|
|
#endif
|
|
}
|
|
|
|
#include <boost/config/abi_suffix.hpp>
|
|
|
|
#endif
|
|
|