Revert "Atomics: remove qatomic_msvc.h"
This reverts commit 90493e16b8.
The change broke static builds with MSVC.
[ChangeLog][Visual Studio] Reverted a change that caused static
binaries compiled with Visual Studio 2015 to crash on start-up. Note
that this does not apply to Visual Studio 2017 static binaries, even
though the crash stack traces are very similar: with 2017, the problem
is compiler regression and requires updating to version 15.8 for the
fix.
Task-number: QTBUG-68514
Change-Id: I67ea8e1ef442cecab83e7d8d74efc9617e02da35
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
bb10
Kai Koehne
parent
0a63d5fed6
commit
97c8b970cd
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@ -0,0 +1,485 @@
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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Copyright (C) 2016 Intel Corporation.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
|
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** Licensees holding valid commercial Qt licenses may use this file in
|
||||
** accordance with the commercial license agreement provided with the
|
||||
** Software or, alternatively, in accordance with the terms contained in
|
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** a written agreement between you and The Qt Company. For licensing terms
|
||||
** and conditions see https://www.qt.io/terms-conditions. For further
|
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** information use the contact form at https://www.qt.io/contact-us.
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||||
**
|
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** GNU Lesser General Public License Usage
|
||||
** Alternatively, this file may be used under the terms of the GNU Lesser
|
||||
** General Public License version 3 as published by the Free Software
|
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
|
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** packaging of this file. Please review the following information to
|
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** ensure the GNU Lesser General Public License version 3 requirements
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||||
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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||||
**
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||||
** GNU General Public License Usage
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||||
** Alternatively, this file may be used under the terms of the GNU
|
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** General Public License version 2.0 or (at your option) the GNU General
|
||||
** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
|
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
|
||||
** information to ensure the GNU General Public License requirements will
|
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QATOMIC_MSVC_H
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#define QATOMIC_MSVC_H
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#include <QtCore/qgenericatomic.h>
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// use compiler intrinsics for all atomic functions
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# define QT_INTERLOCKED_PREFIX _
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# define QT_INTERLOCKED_PROTOTYPE
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# define QT_INTERLOCKED_DECLARE_PROTOTYPES
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# define QT_INTERLOCKED_INTRINSIC
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# define Q_ATOMIC_INT16_IS_SUPPORTED
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# ifdef _WIN64
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# define Q_ATOMIC_INT64_IS_SUPPORTED
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# endif
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Prototype declaration
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#define QT_INTERLOCKED_CONCAT_I(prefix, suffix) \
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prefix ## suffix
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#define QT_INTERLOCKED_CONCAT(prefix, suffix) \
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QT_INTERLOCKED_CONCAT_I(prefix, suffix)
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// MSVC intrinsics prefix function names with an underscore. Also, if platform
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// SDK headers have been included, the Interlocked names may be defined as
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// macros.
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// To avoid double underscores, we paste the prefix with Interlocked first and
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// then the remainder of the function name.
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#define QT_INTERLOCKED_FUNCTION(name) \
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QT_INTERLOCKED_CONCAT( \
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QT_INTERLOCKED_CONCAT(QT_INTERLOCKED_PREFIX, Interlocked), name)
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#ifndef QT_INTERLOCKED_VOLATILE
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# define QT_INTERLOCKED_VOLATILE volatile
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#endif
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#ifndef QT_INTERLOCKED_PREFIX
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#define QT_INTERLOCKED_PREFIX
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#endif
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#ifndef QT_INTERLOCKED_PROTOTYPE
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#define QT_INTERLOCKED_PROTOTYPE
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#endif
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#ifdef QT_INTERLOCKED_DECLARE_PROTOTYPES
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#undef QT_INTERLOCKED_DECLARE_PROTOTYPES
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extern "C" {
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long QT_INTERLOCKED_PROTOTYPE QT_INTERLOCKED_FUNCTION( Increment )(long QT_INTERLOCKED_VOLATILE *);
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long QT_INTERLOCKED_PROTOTYPE QT_INTERLOCKED_FUNCTION( Decrement )(long QT_INTERLOCKED_VOLATILE *);
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long QT_INTERLOCKED_PROTOTYPE QT_INTERLOCKED_FUNCTION( CompareExchange )(long QT_INTERLOCKED_VOLATILE *, long, long);
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long QT_INTERLOCKED_PROTOTYPE QT_INTERLOCKED_FUNCTION( Exchange )(long QT_INTERLOCKED_VOLATILE *, long);
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long QT_INTERLOCKED_PROTOTYPE QT_INTERLOCKED_FUNCTION( ExchangeAdd )(long QT_INTERLOCKED_VOLATILE *, long);
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# if !defined(__i386__) && !defined(_M_IX86)
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void * QT_INTERLOCKED_FUNCTION( CompareExchangePointer )(void * QT_INTERLOCKED_VOLATILE *, void *, void *);
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void * QT_INTERLOCKED_FUNCTION( ExchangePointer )(void * QT_INTERLOCKED_VOLATILE *, void *);
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__int64 QT_INTERLOCKED_FUNCTION( ExchangeAdd64 )(__int64 QT_INTERLOCKED_VOLATILE *, __int64);
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# endif
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# ifdef Q_ATOMIC_INT16_IS_SUPPORTED
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short QT_INTERLOCKED_PROTOTYPE QT_INTERLOCKED_FUNCTION( Increment16 )(short QT_INTERLOCKED_VOLATILE *);
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short QT_INTERLOCKED_PROTOTYPE QT_INTERLOCKED_FUNCTION( Decrement16 )(short QT_INTERLOCKED_VOLATILE *);
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short QT_INTERLOCKED_PROTOTYPE QT_INTERLOCKED_FUNCTION( CompareExchange16 )(short QT_INTERLOCKED_VOLATILE *, short, short);
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short QT_INTERLOCKED_PROTOTYPE QT_INTERLOCKED_FUNCTION( Exchange16 )(short QT_INTERLOCKED_VOLATILE *, short);
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short QT_INTERLOCKED_PROTOTYPE QT_INTERLOCKED_FUNCTION( ExchangeAdd16 )(short QT_INTERLOCKED_VOLATILE *, short);
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# endif
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# ifdef Q_ATOMIC_INT64_IS_SUPPORTED
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__int64 QT_INTERLOCKED_PROTOTYPE QT_INTERLOCKED_FUNCTION( Increment64 )(__int64 QT_INTERLOCKED_VOLATILE *);
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__int64 QT_INTERLOCKED_PROTOTYPE QT_INTERLOCKED_FUNCTION( Decrement64 )(__int64 QT_INTERLOCKED_VOLATILE *);
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__int64 QT_INTERLOCKED_PROTOTYPE QT_INTERLOCKED_FUNCTION( CompareExchange64 )(__int64 QT_INTERLOCKED_VOLATILE *, __int64, __int64);
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__int64 QT_INTERLOCKED_PROTOTYPE QT_INTERLOCKED_FUNCTION( Exchange64 )(__int64 QT_INTERLOCKED_VOLATILE *, __int64);
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//above already: qint64 QT_INTERLOCKED_PROTOTYPE QT_INTERLOCKED_FUNCTION( ExchangeAdd64 )(qint64 QT_INTERLOCKED_VOLATILE *, qint64);
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# endif
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}
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#endif // QT_INTERLOCKED_DECLARE_PROTOTYPES
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#undef QT_INTERLOCKED_PROTOTYPE
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////////////////////////////////////////////////////////////////////////////////////////////////////
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#ifdef QT_INTERLOCKED_INTRINSIC
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#undef QT_INTERLOCKED_INTRINSIC
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# pragma intrinsic (_InterlockedIncrement)
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# pragma intrinsic (_InterlockedDecrement)
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# pragma intrinsic (_InterlockedExchange)
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# pragma intrinsic (_InterlockedCompareExchange)
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# pragma intrinsic (_InterlockedExchangeAdd)
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# if !defined(_M_IX86)
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# pragma intrinsic (_InterlockedCompareExchangePointer)
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# pragma intrinsic (_InterlockedExchangePointer)
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# pragma intrinsic (_InterlockedExchangeAdd64)
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# endif
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#endif // QT_INTERLOCKED_INTRINSIC
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Interlocked* replacement macros
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#if defined(__i386__) || defined(_M_IX86)
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# define QT_INTERLOCKED_COMPARE_EXCHANGE_POINTER(value, newValue, expectedValue) \
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reinterpret_cast<void *>( \
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QT_INTERLOCKED_FUNCTION(CompareExchange)( \
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reinterpret_cast<long QT_INTERLOCKED_VOLATILE *>(value), \
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long(newValue), \
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long(expectedValue)))
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# define QT_INTERLOCKED_EXCHANGE_POINTER(value, newValue) \
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QT_INTERLOCKED_FUNCTION(Exchange)( \
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reinterpret_cast<long QT_INTERLOCKED_VOLATILE *>(value), \
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long(newValue))
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# define QT_INTERLOCKED_EXCHANGE_ADD_POINTER(value, valueToAdd) \
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QT_INTERLOCKED_FUNCTION(ExchangeAdd)( \
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reinterpret_cast<long QT_INTERLOCKED_VOLATILE *>(value), \
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(valueToAdd))
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#else // !defined(__i386__) && !defined(_M_IX86)
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# define QT_INTERLOCKED_COMPARE_EXCHANGE_POINTER(value, newValue, expectedValue) \
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QT_INTERLOCKED_FUNCTION(CompareExchangePointer)( \
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(void * QT_INTERLOCKED_VOLATILE *)(value), \
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(void *) (newValue), \
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(void *) (expectedValue))
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# define QT_INTERLOCKED_EXCHANGE_POINTER(value, newValue) \
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QT_INTERLOCKED_FUNCTION(ExchangePointer)( \
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(void * QT_INTERLOCKED_VOLATILE *)(value), \
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(void *) (newValue))
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# define QT_INTERLOCKED_EXCHANGE_ADD_POINTER(value, valueToAdd) \
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QT_INTERLOCKED_FUNCTION(ExchangeAdd64)( \
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reinterpret_cast<qint64 QT_INTERLOCKED_VOLATILE *>(value), \
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(valueToAdd))
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#endif // !defined(__i386__) && !defined(_M_IX86)
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////////////////////////////////////////////////////////////////////////////////////////////////////
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QT_BEGIN_NAMESPACE
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#if 0
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// silence syncqt warnings
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QT_END_NAMESPACE
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#pragma qt_sync_skip_header_check
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#pragma qt_sync_stop_processing
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#endif
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#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
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#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_WAIT_FREE
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#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
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#define Q_ATOMIC_INT_TEST_AND_SET_IS_WAIT_FREE
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#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
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#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_WAIT_FREE
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#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
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#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_WAIT_FREE
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#define Q_ATOMIC_INT32_IS_SUPPORTED
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#define Q_ATOMIC_INT32_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
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#define Q_ATOMIC_INT32_REFERENCE_COUNTING_IS_WAIT_FREE
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#define Q_ATOMIC_INT32_TEST_AND_SET_IS_ALWAYS_NATIVE
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#define Q_ATOMIC_INT32_TEST_AND_SET_IS_WAIT_FREE
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#define Q_ATOMIC_INT32_FETCH_AND_STORE_IS_ALWAYS_NATIVE
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#define Q_ATOMIC_INT32_FETCH_AND_STORE_IS_WAIT_FREE
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#define Q_ATOMIC_INT32_FETCH_AND_ADD_IS_ALWAYS_NATIVE
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#define Q_ATOMIC_INT32_FETCH_AND_ADD_IS_WAIT_FREE
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#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
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#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_WAIT_FREE
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#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
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#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_WAIT_FREE
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#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
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#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_WAIT_FREE
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#ifdef Q_ATOMIC_INT16_IS_SUPPORTED
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# define Q_ATOMIC_INT16_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
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# define Q_ATOMIC_INT16_REFERENCE_COUNTING_IS_WAIT_FREE
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# define Q_ATOMIC_INT16_TEST_AND_SET_IS_ALWAYS_NATIVE
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# define Q_ATOMIC_INT16_TEST_AND_SET_IS_WAIT_FREE
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# define Q_ATOMIC_INT16_FETCH_AND_STORE_IS_ALWAYS_NATIVE
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# define Q_ATOMIC_INT16_FETCH_AND_STORE_IS_WAIT_FREE
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# define Q_ATOMIC_INT16_FETCH_AND_ADD_IS_ALWAYS_NATIVE
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# define Q_ATOMIC_INT16_FETCH_AND_ADD_IS_WAIT_FREE
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template<> struct QAtomicOpsSupport<2> { enum { IsSupported = 1 }; };
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#endif
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#ifdef Q_ATOMIC_INT64_IS_SUPPORTED
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# define Q_ATOMIC_INT64_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
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# define Q_ATOMIC_INT64_REFERENCE_COUNTING_IS_WAIT_FREE
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# define Q_ATOMIC_INT64_TEST_AND_SET_IS_ALWAYS_NATIVE
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# define Q_ATOMIC_INT64_TEST_AND_SET_IS_WAIT_FREE
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# define Q_ATOMIC_INT64_FETCH_AND_STORE_IS_ALWAYS_NATIVE
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# define Q_ATOMIC_INT64_FETCH_AND_STORE_IS_WAIT_FREE
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# define Q_ATOMIC_INT64_FETCH_AND_ADD_IS_ALWAYS_NATIVE
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# define Q_ATOMIC_INT64_FETCH_AND_ADD_IS_WAIT_FREE
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template<> struct QAtomicOpsSupport<8> { enum { IsSupported = 1 }; };
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#endif
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template <int N> struct QAtomicWindowsType { typedef typename QIntegerForSize<N>::Signed Type; };
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template <> struct QAtomicWindowsType<4> { typedef long Type; };
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template <int N> struct QAtomicOpsBySize : QGenericAtomicOps<QAtomicOpsBySize<N> >
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{
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static inline Q_DECL_CONSTEXPR bool isReferenceCountingNative() Q_DECL_NOTHROW { return true; }
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static inline Q_DECL_CONSTEXPR bool isReferenceCountingWaitFree() Q_DECL_NOTHROW { return true; }
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template <typename T> static bool ref(T &_q_value) Q_DECL_NOTHROW;
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template <typename T> static bool deref(T &_q_value) Q_DECL_NOTHROW;
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static inline Q_DECL_CONSTEXPR bool isTestAndSetNative() Q_DECL_NOTHROW { return true; }
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static inline Q_DECL_CONSTEXPR bool isTestAndSetWaitFree() Q_DECL_NOTHROW { return true; }
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template <typename T> static bool testAndSetRelaxed(T &_q_value, T expectedValue, T newValue) Q_DECL_NOTHROW;
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template <typename T>
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static bool testAndSetRelaxed(T &_q_value, T expectedValue, T newValue, T *currentValue) Q_DECL_NOTHROW;
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static inline Q_DECL_CONSTEXPR bool isFetchAndStoreNative() Q_DECL_NOTHROW { return true; }
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static inline Q_DECL_CONSTEXPR bool isFetchAndStoreWaitFree() Q_DECL_NOTHROW { return true; }
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template <typename T> static T fetchAndStoreRelaxed(T &_q_value, T newValue) Q_DECL_NOTHROW;
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static inline Q_DECL_CONSTEXPR bool isFetchAndAddNative() Q_DECL_NOTHROW { return true; }
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static inline Q_DECL_CONSTEXPR bool isFetchAndAddWaitFree() Q_DECL_NOTHROW { return true; }
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template <typename T> static T fetchAndAddRelaxed(T &_q_value, typename QAtomicAdditiveType<T>::AdditiveT valueToAdd) Q_DECL_NOTHROW;
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private:
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typedef typename QAtomicWindowsType<N>::Type Type;
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template <typename T> static inline Type *atomic(T *t)
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{ Q_STATIC_ASSERT(sizeof(T) == sizeof(Type)); return reinterpret_cast<Type *>(t); }
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template <typename T> static inline Type value(T t)
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{ Q_STATIC_ASSERT(sizeof(T) == sizeof(Type)); return Type(t); }
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};
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template <typename T>
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struct QAtomicOps : QAtomicOpsBySize<sizeof(T)>
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{
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typedef T Type;
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};
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template<> template<typename T>
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inline bool QAtomicOpsBySize<4>::ref(T &_q_value) Q_DECL_NOTHROW
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{
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return QT_INTERLOCKED_FUNCTION(Increment)(atomic(&_q_value)) != 0;
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}
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template<> template<typename T>
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inline bool QAtomicOpsBySize<4>::deref(T &_q_value) Q_DECL_NOTHROW
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{
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return QT_INTERLOCKED_FUNCTION(Decrement)(atomic(&_q_value)) != 0;
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}
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template<> template<typename T>
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inline bool QAtomicOpsBySize<4>::testAndSetRelaxed(T &_q_value, T expectedValue, T newValue) Q_DECL_NOTHROW
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{
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return QT_INTERLOCKED_FUNCTION(CompareExchange)(atomic(&_q_value), value(newValue), value(expectedValue)) == value(expectedValue);
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}
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template<> template <typename T>
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inline bool QAtomicOpsBySize<4>::testAndSetRelaxed(T &_q_value, T expectedValue, T newValue, T *currentValue) Q_DECL_NOTHROW
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{
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*currentValue = T(QT_INTERLOCKED_FUNCTION(CompareExchange)(atomic(&_q_value), newValue, expectedValue));
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return *currentValue == expectedValue;
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}
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template<> template<typename T>
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inline T QAtomicOpsBySize<4>::fetchAndStoreRelaxed(T &_q_value, T newValue) Q_DECL_NOTHROW
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{
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return QT_INTERLOCKED_FUNCTION(Exchange)(atomic(&_q_value), value(newValue));
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}
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template<> template<typename T>
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inline T QAtomicOpsBySize<4>::fetchAndAddRelaxed(T &_q_value, typename QAtomicAdditiveType<T>::AdditiveT valueToAdd) Q_DECL_NOTHROW
|
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{
|
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return QT_INTERLOCKED_FUNCTION(ExchangeAdd)(atomic(&_q_value), value<T>(valueToAdd * QAtomicAdditiveType<T>::AddScale));
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}
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#ifdef Q_ATOMIC_INT16_IS_SUPPORTED
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template<> template<typename T>
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inline bool QAtomicOpsBySize<2>::ref(T &_q_value) Q_DECL_NOTHROW
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{
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return QT_INTERLOCKED_FUNCTION(Increment16)(atomic(&_q_value)) != 0;
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}
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template<> template<typename T>
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inline bool QAtomicOpsBySize<2>::deref(T &_q_value) Q_DECL_NOTHROW
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{
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return QT_INTERLOCKED_FUNCTION(Decrement16)(atomic(&_q_value)) != 0;
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}
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template<> template<typename T>
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inline bool QAtomicOpsBySize<2>::testAndSetRelaxed(T &_q_value, T expectedValue, T newValue) Q_DECL_NOTHROW
|
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{
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return QT_INTERLOCKED_FUNCTION(CompareExchange16)(atomic(&_q_value), value(newValue), value(expectedValue)) == value(expectedValue);
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}
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|
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template<> template <typename T>
|
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inline bool QAtomicOpsBySize<2>::testAndSetRelaxed(T &_q_value, T expectedValue, T newValue, T *currentValue) Q_DECL_NOTHROW
|
||||
{
|
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*currentValue = T(QT_INTERLOCKED_FUNCTION(CompareExchange16)(atomic(&_q_value), newValue, expectedValue));
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return *currentValue == expectedValue;
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}
|
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|
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template<> template<typename T>
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inline T QAtomicOpsBySize<2>::fetchAndStoreRelaxed(T &_q_value, T newValue) Q_DECL_NOTHROW
|
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{
|
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return QT_INTERLOCKED_FUNCTION(Exchange16)(atomic(&_q_value), value(newValue));
|
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}
|
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|
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template<> template<typename T>
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inline T QAtomicOpsBySize<2>::fetchAndAddRelaxed(T &_q_value, typename QAtomicAdditiveType<T>::AdditiveT valueToAdd) Q_DECL_NOTHROW
|
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{
|
||||
return QT_INTERLOCKED_FUNCTION(ExchangeAdd16)(atomic(&_q_value), value<T>(valueToAdd * QAtomicAdditiveType<T>::AddScale));
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef Q_ATOMIC_INT64_IS_SUPPORTED
|
||||
template<> template<typename T>
|
||||
inline bool QAtomicOpsBySize<8>::ref(T &_q_value) Q_DECL_NOTHROW
|
||||
{
|
||||
return QT_INTERLOCKED_FUNCTION(Increment64)(atomic(&_q_value)) != 0;
|
||||
}
|
||||
|
||||
template<> template<typename T>
|
||||
inline bool QAtomicOpsBySize<8>::deref(T &_q_value) Q_DECL_NOTHROW
|
||||
{
|
||||
return QT_INTERLOCKED_FUNCTION(Decrement64)(atomic(&_q_value)) != 0;
|
||||
}
|
||||
|
||||
template<> template<typename T>
|
||||
inline bool QAtomicOpsBySize<8>::testAndSetRelaxed(T &_q_value, T expectedValue, T newValue) Q_DECL_NOTHROW
|
||||
{
|
||||
return QT_INTERLOCKED_FUNCTION(CompareExchange64)(atomic(&_q_value), value(newValue), value(expectedValue)) == value(expectedValue);
|
||||
}
|
||||
|
||||
template<> template <typename T>
|
||||
inline bool QAtomicOpsBySize<8>::testAndSetRelaxed(T &_q_value, T expectedValue, T newValue, T *currentValue) Q_DECL_NOTHROW
|
||||
{
|
||||
*currentValue = T(QT_INTERLOCKED_FUNCTION(CompareExchange64)(atomic(&_q_value), newValue, expectedValue));
|
||||
return *currentValue == expectedValue;
|
||||
}
|
||||
|
||||
template<> template<typename T>
|
||||
inline T QAtomicOpsBySize<8>::fetchAndStoreRelaxed(T &_q_value, T newValue) Q_DECL_NOTHROW
|
||||
{
|
||||
return QT_INTERLOCKED_FUNCTION(Exchange64)(atomic(&_q_value), value(newValue));
|
||||
}
|
||||
|
||||
template<> template<typename T>
|
||||
inline T QAtomicOpsBySize<8>::fetchAndAddRelaxed(T &_q_value, typename QAtomicAdditiveType<T>::AdditiveT valueToAdd) Q_DECL_NOTHROW
|
||||
{
|
||||
return QT_INTERLOCKED_FUNCTION(ExchangeAdd64)(atomic(&_q_value), value<T>(valueToAdd * QAtomicAdditiveType<T>::AddScale));
|
||||
}
|
||||
#endif
|
||||
|
||||
// Specialization for pointer types, since we have Interlocked*Pointer() variants in some configurations
|
||||
template <typename T>
|
||||
struct QAtomicOps<T *> : QGenericAtomicOps<QAtomicOps<T *> >
|
||||
{
|
||||
typedef T *Type;
|
||||
|
||||
static inline Q_DECL_CONSTEXPR bool isTestAndSetNative() Q_DECL_NOTHROW { return true; }
|
||||
static inline Q_DECL_CONSTEXPR bool isTestAndSetWaitFree() Q_DECL_NOTHROW { return true; }
|
||||
static bool testAndSetRelaxed(T *&_q_value, T *expectedValue, T *newValue) Q_DECL_NOTHROW;
|
||||
static bool testAndSetRelaxed(T *&_q_value, T *expectedValue, T *newValue, T **currentValue) Q_DECL_NOTHROW;
|
||||
|
||||
static inline Q_DECL_CONSTEXPR bool isFetchAndStoreNative() Q_DECL_NOTHROW { return true; }
|
||||
static inline Q_DECL_CONSTEXPR bool isFetchAndStoreWaitFree() Q_DECL_NOTHROW { return true; }
|
||||
static T *fetchAndStoreRelaxed(T *&_q_value, T *newValue) Q_DECL_NOTHROW;
|
||||
|
||||
static inline Q_DECL_CONSTEXPR bool isFetchAndAddNative() Q_DECL_NOTHROW { return true; }
|
||||
static inline Q_DECL_CONSTEXPR bool isFetchAndAddWaitFree() Q_DECL_NOTHROW { return true; }
|
||||
static T *fetchAndAddRelaxed(T *&_q_value, qptrdiff valueToAdd) Q_DECL_NOTHROW;
|
||||
};
|
||||
|
||||
template <typename T>
|
||||
inline bool QAtomicOps<T *>::testAndSetRelaxed(T *&_q_value, T *expectedValue, T *newValue) Q_DECL_NOTHROW
|
||||
{
|
||||
return QT_INTERLOCKED_COMPARE_EXCHANGE_POINTER(&_q_value, newValue, expectedValue) == expectedValue;
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
inline bool QAtomicOps<T *>::testAndSetRelaxed(T *&_q_value, T *expectedValue, T *newValue, T **currentValue) Q_DECL_NOTHROW
|
||||
{
|
||||
*currentValue = reinterpret_cast<T *>(QT_INTERLOCKED_COMPARE_EXCHANGE_POINTER(&_q_value, newValue, expectedValue));
|
||||
return *currentValue == expectedValue;
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
inline T *QAtomicOps<T *>::fetchAndStoreRelaxed(T *&_q_value, T *newValue) Q_DECL_NOTHROW
|
||||
{
|
||||
return reinterpret_cast<T *>(QT_INTERLOCKED_EXCHANGE_POINTER(&_q_value, newValue));
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
inline T *QAtomicOps<T *>::fetchAndAddRelaxed(T *&_q_value, qptrdiff valueToAdd) Q_DECL_NOTHROW
|
||||
{
|
||||
return reinterpret_cast<T *>(QT_INTERLOCKED_EXCHANGE_ADD_POINTER(&_q_value, valueToAdd * sizeof(T)));
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// Cleanup
|
||||
|
||||
#undef QT_INTERLOCKED_CONCAT_I
|
||||
#undef QT_INTERLOCKED_CONCAT
|
||||
#undef QT_INTERLOCKED_FUNCTION
|
||||
#undef QT_INTERLOCKED_PREFIX
|
||||
|
||||
#undef QT_INTERLOCKED_VOLATILE
|
||||
|
||||
#undef QT_INTERLOCKED_INCREMENT
|
||||
#undef QT_INTERLOCKED_DECREMENT
|
||||
#undef QT_INTERLOCKED_COMPARE_EXCHANGE
|
||||
#undef QT_INTERLOCKED_EXCHANGE
|
||||
#undef QT_INTERLOCKED_EXCHANGE_ADD
|
||||
#undef QT_INTERLOCKED_COMPARE_EXCHANGE_POINTER
|
||||
#undef QT_INTERLOCKED_EXCHANGE_POINTER
|
||||
#undef QT_INTERLOCKED_EXCHANGE_ADD_POINTER
|
||||
|
||||
QT_END_NAMESPACE
|
||||
#endif // QATOMIC_MSVC_H
|
||||
|
|
@ -45,8 +45,20 @@
|
|||
|
||||
#if defined(QT_BOOTSTRAPPED)
|
||||
# include <QtCore/qatomic_bootstrap.h>
|
||||
#else
|
||||
|
||||
// If C++11 atomics are supported, use them!
|
||||
// Note that constexpr support is sometimes disabled in QNX builds but its
|
||||
// library has <atomic>.
|
||||
#elif defined(Q_COMPILER_ATOMICS) && (defined(Q_COMPILER_CONSTEXPR) || defined(Q_OS_QNX))
|
||||
# include <QtCore/qatomic_cxx11.h>
|
||||
|
||||
// We only support one fallback: MSVC, because even on version 2015, it lacks full constexpr support
|
||||
#elif defined(Q_CC_MSVC)
|
||||
# include <QtCore/qatomic_msvc.h>
|
||||
|
||||
// No fallback
|
||||
#else
|
||||
# error "Qt requires C++11 support"
|
||||
#endif
|
||||
|
||||
QT_WARNING_PUSH
|
||||
|
|
|
|||
|
|
@ -53,6 +53,8 @@ qtConfig(future) {
|
|||
}
|
||||
|
||||
win32 {
|
||||
HEADERS += thread/qatomic_msvc.h
|
||||
|
||||
SOURCES += \
|
||||
thread/qmutex_win.cpp \
|
||||
thread/qthread_win.cpp \
|
||||
|
|
|
|||
Loading…
Reference in New Issue