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643 lines
25 KiB
643 lines
25 KiB
15 years ago
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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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 Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL 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 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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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 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QATOMIC_ALPHA_H
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#define QATOMIC_ALPHA_H
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
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inline bool QBasicAtomicInt::isReferenceCountingNative()
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{ return true; }
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inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
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{ return false; }
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#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
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inline bool QBasicAtomicInt::isTestAndSetNative()
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{ return true; }
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inline bool QBasicAtomicInt::isTestAndSetWaitFree()
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{ return false; }
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#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
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inline bool QBasicAtomicInt::isFetchAndStoreNative()
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{ return true; }
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inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
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{ return false; }
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#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
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inline bool QBasicAtomicInt::isFetchAndAddNative()
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{ return true; }
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inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
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{ return false; }
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#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
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template <typename T>
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Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
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{ return true; }
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template <typename T>
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Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
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{ return false; }
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#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
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template <typename T>
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Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
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{ return true; }
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template <typename T>
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Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
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{ return false; }
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#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
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template <typename T>
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Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
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{ return true; }
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template <typename T>
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Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
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{ return false; }
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#if defined(Q_CC_GNU)
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inline bool QBasicAtomicInt::ref()
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{
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register int old, tmp;
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asm volatile("1:\n"
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"ldl_l %0,%2\n" /* old=*ptr; */
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"addl %0,1,%1\n" /* tmp=old+1; */
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"stl_c %1,%2\n" /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
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"beq %1,2f\n" /* if (tmp == 0) goto 2; */
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"br 3f\n" /* goto 3; */
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"2: br 1b\n" /* goto 1; */
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"3:\n"
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: "=&r" (old), "=&r" (tmp), "+m"(_q_value)
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:
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: "memory");
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return old != -1;
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}
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inline bool QBasicAtomicInt::deref()
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{
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register int old, tmp;
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asm volatile("1:\n"
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"ldl_l %0,%2\n" /* old=*ptr; */
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"subl %0,1,%1\n" /* tmp=old-1; */
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"stl_c %1,%2\n" /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
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"beq %1,2f\n" /* if (tmp==0) goto 2; */
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"br 3f\n" /* goto 3; */
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"2: br 1b\n" /* goto 1; */
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"3:\n"
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: "=&r" (old), "=&r" (tmp), "+m"(_q_value)
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:
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: "memory");
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return old != 1;
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}
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inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
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{
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register int ret;
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asm volatile("1:\n"
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"ldl_l %0,%1\n" /* ret=*ptr; */
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"cmpeq %0,%2,%0\n"/* if (ret==expected) ret=0; else ret=1; */
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"beq %0,3f\n" /* if (ret==0) goto 3; */
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"mov %3,%0\n" /* ret=newval; */
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"stl_c %0,%1\n" /* if ((*ptr=ret)!=ret) ret=0; else ret=1; */
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"beq %0,2f\n" /* if (ret==0) goto 2; */
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"br 3f\n" /* goto 3; */
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"2: br 1b\n" /* goto 1; */
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"3:\n"
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: "=&r" (ret), "+m" (_q_value)
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: "r" (expectedValue), "r" (newValue)
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: "memory");
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return ret != 0;
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}
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inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
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{
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register int ret;
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asm volatile("1:\n"
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"ldl_l %0,%1\n" /* ret=*ptr; */
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"cmpeq %0,%2,%0\n"/* if (ret==expected) ret=0; else ret=1; */
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"beq %0,3f\n" /* if (ret==0) goto 3; */
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"mov %3,%0\n" /* ret=newval; */
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"stl_c %0,%1\n" /* if ((*ptr=ret)!=ret) ret=0; else ret=1; */
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"beq %0,2f\n" /* if (ret==0) goto 2; */
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"br 3f\n" /* goto 3; */
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"2: br 1b\n" /* goto 1; */
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"3:\n"
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"mb\n"
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: "=&r" (ret), "+m" (_q_value)
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: "r" (expectedValue), "r" (newValue)
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: "memory");
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return ret != 0;
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}
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inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
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{
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register int ret;
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asm volatile("mb\n"
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"1:\n"
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"ldl_l %0,%1\n" /* ret=*ptr; */
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"cmpeq %0,%2,%0\n"/* if (ret==expected) ret=0; else ret=1; */
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"beq %0,3f\n" /* if (ret==0) goto 3; */
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"mov %3,%0\n" /* ret=newval; */
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"stl_c %0,%1\n" /* if ((*ptr=ret)!=ret) ret=0; else ret=1; */
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"beq %0,2f\n" /* if (ret==0) goto 2; */
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"br 3f\n" /* goto 3; */
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"2: br 1b\n" /* goto 1; */
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"3:\n"
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: "=&r" (ret), "+m" (_q_value)
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: "r" (expectedValue), "r" (newValue)
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: "memory");
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return ret != 0;
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}
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inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
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{
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register int old, tmp;
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asm volatile("1:\n"
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"ldl_l %0,%2\n" /* old=*ptr; */
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"mov %3,%1\n" /* tmp=newval; */
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"stl_c %1,%2\n" /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
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"beq %1,2f\n" /* if (tmp==0) goto 2; */
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"br 3f\n" /* goto 3; */
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"2: br 1b\n" /* goto 1; */
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"3:\n"
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: "=&r" (old), "=&r" (tmp), "+m" (_q_value)
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: "r" (newValue)
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: "memory");
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return old;
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}
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inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
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{
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register int old, tmp;
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asm volatile("1:\n"
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"ldl_l %0,%2\n" /* old=*ptr; */
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"mov %3,%1\n" /* tmp=newval; */
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"stl_c %1,%2\n" /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
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"beq %1,2f\n" /* if (tmp==0) goto 2; */
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"br 3f\n" /* goto 3; */
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"2: br 1b\n" /* goto 1; */
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"3:\n"
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"mb\n"
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: "=&r" (old), "=&r" (tmp), "+m" (_q_value)
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: "r" (newValue)
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: "memory");
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return old;
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}
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inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
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{
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register int old, tmp;
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asm volatile("mb\n"
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"1:\n"
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"ldl_l %0,%2\n" /* old=*ptr; */
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"mov %3,%1\n" /* tmp=newval; */
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"stl_c %1,%2\n" /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
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"beq %1,2f\n" /* if (tmp==0) goto 2; */
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"br 3f\n" /* goto 3; */
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"2: br 1b\n" /* goto 1; */
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"3:\n"
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|
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: "=&r" (old), "=&r" (tmp), "+m" (_q_value)
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: "r" (newValue)
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: "memory");
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return old;
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}
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inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
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{
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register int old, tmp;
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asm volatile("1:\n"
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"ldl_l %0,%2\n" /* old=*ptr; */
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"addl %0,%3,%1\n"/* tmp=old+value; */
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|
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"stl_c %1,%2\n" /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
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|
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"beq %1,2f\n" /* if (tmp == 0) goto 2; */
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||
|
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"br 3f\n" /* goto 3; */
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"2: br 1b\n" /* goto 1; */
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"3:\n"
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|
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: "=&r" (old), "=&r" (tmp), "+m"(_q_value)
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: "r" (valueToAdd)
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: "memory");
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return old;
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}
|
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|
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|
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inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
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{
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register int old, tmp;
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|
asm volatile("1:\n"
|
||
|
|
"ldl_l %0,%2\n" /* old=*ptr; */
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|
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"addl %0,%3,%1\n"/* tmp=old+value; */
|
||
|
|
"stl_c %1,%2\n" /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
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||
|
|
"beq %1,2f\n" /* if (tmp == 0) goto 2; */
|
||
|
|
"br 3f\n" /* goto 3; */
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||
|
|
"2: br 1b\n" /* goto 1; */
|
||
|
|
"3:\n"
|
||
|
|
"mb\n"
|
||
|
|
: "=&r" (old), "=&r" (tmp), "+m"(_q_value)
|
||
|
|
: "r" (valueToAdd)
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||
|
|
: "memory");
|
||
|
|
return old;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
|
||
|
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{
|
||
|
|
register int old, tmp;
|
||
|
|
asm volatile("mb\n"
|
||
|
|
"1:\n"
|
||
|
|
"ldl_l %0,%2\n" /* old=*ptr; */
|
||
|
|
"addl %0,%3,%1\n"/* tmp=old+value; */
|
||
|
|
"stl_c %1,%2\n" /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
|
||
|
|
"beq %1,2f\n" /* if (tmp == 0) goto 2; */
|
||
|
|
"br 3f\n" /* goto 3; */
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||
|
|
"2: br 1b\n" /* goto 1; */
|
||
|
|
"3:\n"
|
||
|
|
: "=&r" (old), "=&r" (tmp), "+m"(_q_value)
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||
|
|
: "r" (valueToAdd)
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||
|
|
: "memory");
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||
|
|
return old;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
|
||
|
|
{
|
||
|
|
register void *ret;
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||
|
|
asm volatile("1:\n"
|
||
|
|
"ldq_l %0,%1\n" /* ret=*ptr; */
|
||
|
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"cmpeq %0,%2,%0\n"/* if (ret==expected) tmp=0; else tmp=1; */
|
||
|
|
"beq %0,3f\n" /* if (tmp==0) goto 3; */
|
||
|
|
"mov %3,%0\n" /* tmp=newval; */
|
||
|
|
"stq_c %0,%1\n" /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
|
||
|
|
"beq %0,2f\n" /* if (ret==0) goto 2; */
|
||
|
|
"br 3f\n" /* goto 3; */
|
||
|
|
"2: br 1b\n" /* goto 1; */
|
||
|
|
"3:\n"
|
||
|
|
: "=&r" (ret), "+m" (_q_value)
|
||
|
|
: "r" (expectedValue), "r" (newValue)
|
||
|
|
: "memory");
|
||
|
|
return ret != 0;
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||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
|
||
|
|
{
|
||
|
|
register void *ret;
|
||
|
|
asm volatile("1:\n"
|
||
|
|
"ldq_l %0,%1\n" /* ret=*ptr; */
|
||
|
|
"cmpeq %0,%2,%0\n"/* if (ret==expected) tmp=0; else tmp=1; */
|
||
|
|
"beq %0,3f\n" /* if (tmp==0) goto 3; */
|
||
|
|
"mov %3,%0\n" /* tmp=newval; */
|
||
|
|
"stq_c %0,%1\n" /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
|
||
|
|
"beq %0,2f\n" /* if (ret==0) goto 2; */
|
||
|
|
"br 3f\n" /* goto 3; */
|
||
|
|
"2: br 1b\n" /* goto 1; */
|
||
|
|
"3:\n"
|
||
|
|
"mb\n"
|
||
|
|
: "=&r" (ret), "+m" (_q_value)
|
||
|
|
: "r" (expectedValue), "r" (newValue)
|
||
|
|
: "memory");
|
||
|
|
return ret != 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
|
||
|
|
{
|
||
|
|
register void *ret;
|
||
|
|
asm volatile("mb\n"
|
||
|
|
"1:\n"
|
||
|
|
"ldq_l %0,%1\n" /* ret=*ptr; */
|
||
|
|
"cmpeq %0,%2,%0\n"/* if (ret==expected) tmp=0; else tmp=1; */
|
||
|
|
"beq %0,3f\n" /* if (tmp==0) goto 3; */
|
||
|
|
"mov %3,%0\n" /* tmp=newval; */
|
||
|
|
"stq_c %0,%1\n" /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
|
||
|
|
"beq %0,2f\n" /* if (ret==0) goto 2; */
|
||
|
|
"br 3f\n" /* goto 3; */
|
||
|
|
"2: br 1b\n" /* goto 1; */
|
||
|
|
"3:\n"
|
||
|
|
: "=&r" (ret), "+m" (_q_value)
|
||
|
|
: "r" (expectedValue), "r" (newValue)
|
||
|
|
: "memory");
|
||
|
|
return ret != 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
|
||
|
|
{
|
||
|
|
register void *old, *tmp;
|
||
|
|
asm volatile("1:\n"
|
||
|
|
"ldq_l %0,%2\n" /* old=*ptr; */
|
||
|
|
"mov %3,%1\n" /* tmp=newval; */
|
||
|
|
"stq_c %1,%2\n" /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
|
||
|
|
"beq %1,2f\n" /* if (tmp==0) goto 2; */
|
||
|
|
"br 3f\n" /* goto 3; */
|
||
|
|
"2: br 1b\n" /* goto 1; */
|
||
|
|
"3:\n"
|
||
|
|
: "=&r" (old), "=&r" (tmp), "+m" (_q_value)
|
||
|
|
: "r" (newValue)
|
||
|
|
: "memory");
|
||
|
|
return old;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
|
||
|
|
{
|
||
|
|
register void *old, *tmp;
|
||
|
|
asm volatile("1:\n"
|
||
|
|
"ldq_l %0,%2\n" /* old=*ptr; */
|
||
|
|
"mov %3,%1\n" /* tmp=newval; */
|
||
|
|
"stq_c %1,%2\n" /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
|
||
|
|
"beq %1,2f\n" /* if (tmp==0) goto 2; */
|
||
|
|
"br 3f\n" /* goto 3; */
|
||
|
|
"2: br 1b\n" /* goto 1; */
|
||
|
|
"3:\n"
|
||
|
|
"mb\n"
|
||
|
|
: "=&r" (old), "=&r" (tmp), "+m" (_q_value)
|
||
|
|
: "r" (newValue)
|
||
|
|
: "memory");
|
||
|
|
return old;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
|
||
|
|
{
|
||
|
|
register void *old, *tmp;
|
||
|
|
asm volatile("mb\n"
|
||
|
|
"1:\n"
|
||
|
|
"ldq_l %0,%2\n" /* old=*ptr; */
|
||
|
|
"mov %3,%1\n" /* tmp=newval; */
|
||
|
|
"stq_c %1,%2\n" /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
|
||
|
|
"beq %1,2f\n" /* if (tmp==0) goto 2; */
|
||
|
|
"br 3f\n" /* goto 3; */
|
||
|
|
"2: br 1b\n" /* goto 1; */
|
||
|
|
"3:\n"
|
||
|
|
: "=&r" (old), "=&r" (tmp), "+m" (_q_value)
|
||
|
|
: "r" (newValue)
|
||
|
|
: "memory");
|
||
|
|
return old;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
|
||
|
|
{
|
||
|
|
register void *old, *tmp;
|
||
|
|
asm volatile("1:\n"
|
||
|
|
"ldq_l %0,%2\n" /* old=*ptr; */
|
||
|
|
"addq %0,%3,%1\n"/* tmp=old+value; */
|
||
|
|
"stq_c %1,%2\n" /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
|
||
|
|
"beq %1,2f\n" /* if (tmp == 0) goto 2; */
|
||
|
|
"br 3f\n" /* goto 3; */
|
||
|
|
"2: br 1b\n" /* goto 1; */
|
||
|
|
"3:\n"
|
||
|
|
: "=&r" (old), "=&r" (tmp), "+m"(_q_value)
|
||
|
|
: "r" (valueToAdd)
|
||
|
|
: "memory");
|
||
|
|
return reinterpret_cast<T *>(old);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
|
||
|
|
{
|
||
|
|
register void *old, *tmp;
|
||
|
|
asm volatile("1:\n"
|
||
|
|
"ldq_l %0,%2\n" /* old=*ptr; */
|
||
|
|
"addq %0,%3,%1\n"/* tmp=old+value; */
|
||
|
|
"stq_c %1,%2\n" /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
|
||
|
|
"beq %1,2f\n" /* if (tmp == 0) goto 2; */
|
||
|
|
"br 3f\n" /* goto 3; */
|
||
|
|
"2: br 1b\n" /* goto 1; */
|
||
|
|
"3:\n"
|
||
|
|
"mb\n"
|
||
|
|
: "=&r" (old), "=&r" (tmp), "+m"(_q_value)
|
||
|
|
: "r" (valueToAdd)
|
||
|
|
: "memory");
|
||
|
|
return reinterpret_cast<T *>(old);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
|
||
|
|
{
|
||
|
|
register void *old, *tmp;
|
||
|
|
asm volatile("mb\n"
|
||
|
|
"1:\n"
|
||
|
|
"ldq_l %0,%2\n" /* old=*ptr; */
|
||
|
|
"addq %0,%3,%1\n"/* tmp=old+value; */
|
||
|
|
"stq_c %1,%2\n" /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
|
||
|
|
"beq %1,2f\n" /* if (tmp == 0) goto 2; */
|
||
|
|
"br 3f\n" /* goto 3; */
|
||
|
|
"2: br 1b\n" /* goto 1; */
|
||
|
|
"3:\n"
|
||
|
|
: "=&r" (old), "=&r" (tmp), "+m"(_q_value)
|
||
|
|
: "r" (valueToAdd)
|
||
|
|
: "memory");
|
||
|
|
return reinterpret_cast<T *>(old);
|
||
|
|
}
|
||
|
|
|
||
|
|
#else // !Q_CC_GNU
|
||
|
|
|
||
|
|
extern "C" {
|
||
|
|
Q_CORE_EXPORT int q_atomic_test_and_set_int(volatile int *ptr, int expected, int newval);
|
||
|
|
Q_CORE_EXPORT int q_atomic_test_and_set_acquire_int(volatile int *ptr, int expected, int newval);
|
||
|
|
Q_CORE_EXPORT int q_atomic_test_and_set_release_int(volatile int *ptr, int expected, int newval);
|
||
|
|
Q_CORE_EXPORT int q_atomic_test_and_set_ptr(volatile void *ptr, void *expected, void *newval);
|
||
|
|
Q_CORE_EXPORT int q_atomic_increment(volatile int *ptr);
|
||
|
|
Q_CORE_EXPORT int q_atomic_decrement(volatile int *ptr);
|
||
|
|
Q_CORE_EXPORT int q_atomic_set_int(volatile int *ptr, int newval);
|
||
|
|
Q_CORE_EXPORT void *q_atomic_set_ptr(volatile void *ptr, void *newval);
|
||
|
|
Q_CORE_EXPORT int q_atomic_fetch_and_add_int(volatile int *ptr, int value);
|
||
|
|
Q_CORE_EXPORT int q_atomic_fetch_and_add_acquire_int(volatile int *ptr, int value);
|
||
|
|
Q_CORE_EXPORT int q_atomic_fetch_and_add_release_int(volatile int *ptr, int value);
|
||
|
|
} // extern "C"
|
||
|
|
|
||
|
|
inline bool QBasicAtomicInt::ref()
|
||
|
|
{
|
||
|
|
return q_atomic_increment(&_q_value) != 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline bool QBasicAtomicInt::deref()
|
||
|
|
{
|
||
|
|
return q_atomic_decrement(&_q_value) != 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
|
||
|
|
{
|
||
|
|
return q_atomic_test_and_set_int(&_q_value, expectedValue, newValue) != 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
|
||
|
|
{
|
||
|
|
return q_atomic_test_and_set_acquire_int(&_q_value, expectedValue, newValue) != 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
|
||
|
|
{
|
||
|
|
return q_atomic_test_and_set_release_int(&_q_value, expectedValue, newValue) != 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
|
||
|
|
{
|
||
|
|
return q_atomic_set_int(&_q_value, newValue);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
|
||
|
|
{
|
||
|
|
return q_atomic_fetch_and_store_acquire_int(&_q_value, newValue);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
|
||
|
|
{
|
||
|
|
return q_atomic_fetch_and_store_release_int(&_q_value, newValue);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
|
||
|
|
{
|
||
|
|
return q_atomic_fetch_and_add_int(&_q_value, valueToAdd);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
|
||
|
|
{
|
||
|
|
return q_atomic_fetch_and_add_acquire_int(&_q_value, valueToAdd);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
|
||
|
|
{
|
||
|
|
return q_atomic_fetch_and_add_release_int(&_q_value, valueToAdd);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
|
||
|
|
{
|
||
|
|
return q_atomic_test_and_set_ptr(&_q_value, expectedValue, newValue) != 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
|
||
|
|
{
|
||
|
|
return q_atomic_test_and_set_acquire_ptr(&_q_value, expectedValue, newValue) != 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
|
||
|
|
{
|
||
|
|
return q_atomic_test_and_set_release_ptr(&_q_value, expectedValue, newValue) != 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
|
||
|
|
{
|
||
|
|
return reinterpret_cast<T *>(q_atomic_set_ptr(&_q_value, newValue));
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
|
||
|
|
{
|
||
|
|
return reinterpret_cast<T *>(q_atomic_fetch_and_store_acquire_ptr(&_q_value, newValue));
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
|
||
|
|
{
|
||
|
|
return reinterpret_cast<T *>(q_atomic_fetch_and_store_release_ptr(&_q_value, newValue));
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
|
||
|
|
{
|
||
|
|
return reinterpret_cast<T *>(q_atomic_fetch_and_add_ptr(&_q_value, newValue));
|
||
|
|
}
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
|
||
|
|
{
|
||
|
|
return reinterpret_cast<T *>(q_atomic_fetch_and_add_acquire_ptr(&_q_value, newValue));
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
|
||
|
|
{
|
||
|
|
return reinterpret_cast<T *>(q_atomic_fetch_and_add_release_ptr(&_q_value, newValue));
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // Q_CC_GNU
|
||
|
|
|
||
|
|
inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
|
||
|
|
{
|
||
|
|
return testAndSetAcquire(expectedValue, newValue);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
|
||
|
|
{
|
||
|
|
return fetchAndStoreAcquire(newValue);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
|
||
|
|
{
|
||
|
|
return fetchAndAddAcquire(valueToAdd);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
|
||
|
|
{
|
||
|
|
return testAndSetAcquire(expectedValue, newValue);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
|
||
|
|
{
|
||
|
|
return fetchAndStoreAcquire(newValue);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
|
||
|
|
{
|
||
|
|
return fetchAndAddAcquire(valueToAdd);
|
||
|
|
}
|
||
|
|
|
||
|
|
QT_END_NAMESPACE
|
||
|
|
|
||
|
|
QT_END_HEADER
|
||
|
|
|
||
|
|
#endif // QATOMIC_ALPHA_H
|