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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QATOMIC_SPARC_H
#define QATOMIC_SPARC_H
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
#if defined(_LP64)
#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
inline bool QBasicAtomicInt::isReferenceCountingNative()
{ return true; }
inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
{ return false; }
#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
#define Q_ATOMIC_INT_TEST_AND_SET_IS_WAIT_FREE
inline bool QBasicAtomicInt::isTestAndSetNative()
{ return true; }
inline bool QBasicAtomicInt::isTestAndSetWaitFree()
{ return true; }
#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_WAIT_FREE
inline bool QBasicAtomicInt::isFetchAndStoreNative()
{ return true; }
inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
{ return true; }
#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
inline bool QBasicAtomicInt::isFetchAndAddNative()
{ return true; }
inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
{ return false; }
#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_WAIT_FREE
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
{ return true; }
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
{ return true; }
#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_WAIT_FREE
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
{ return true; }
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
{ return true; }
#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
{ return true; }
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
{ return false; }
extern "C" {
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_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_set_int(volatile int *ptr, int newval);
Q_CORE_EXPORT int q_atomic_fetch_and_store_acquire_int(volatile int *ptr, int newval);
Q_CORE_EXPORT int q_atomic_fetch_and_store_release_int(volatile int *ptr, int 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);
Q_CORE_EXPORT int q_atomic_test_and_set_ptr(volatile void *ptr, void *expected, void *newval);
Q_CORE_EXPORT int q_atomic_test_and_set_acquire_ptr(volatile void *ptr,
void *expected,
void *newval);
Q_CORE_EXPORT int q_atomic_test_and_set_release_ptr(volatile void *ptr,
void *expected,
void *newval);
Q_CORE_EXPORT void *q_atomic_set_ptr(volatile void *ptr, void *newval);
Q_CORE_EXPORT void *q_atomic_fetch_and_store_acquire_ptr(volatile void *ptr, void *newval);
Q_CORE_EXPORT void *q_atomic_fetch_and_store_release_ptr(volatile void *ptr, void *newval);
Q_CORE_EXPORT void *q_atomic_fetch_and_add_ptr(volatile void *ptr, int value);
Q_CORE_EXPORT void *q_atomic_fetch_and_add_acquire_ptr(volatile void *ptr, int value);
Q_CORE_EXPORT void *q_atomic_fetch_and_add_release_ptr(volatile void *ptr, int value);
}
inline bool QBasicAtomicInt::ref()
{
return fetchAndAddRelaxed(1) != -1;
}
inline bool QBasicAtomicInt::deref()
{
return fetchAndAddRelaxed(-1) != 1;
}
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 bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
{
return q_atomic_test_and_set_acquire_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::fetchAndStoreOrdered(int newValue)
{
return q_atomic_fetch_and_store_acquire_int(&_q_value, newValue);
}
inline int QBasicAtomicInt::fetchAndAddRelaxed(int newValue)
{
return q_atomic_fetch_and_add_int(&_q_value, newValue);
}
inline int QBasicAtomicInt::fetchAndAddAcquire(int newValue)
{
return q_atomic_fetch_and_add_acquire_int(&_q_value, newValue);
}
inline int QBasicAtomicInt::fetchAndAddRelease(int newValue)
{
return q_atomic_fetch_and_add_release_int(&_q_value, newValue);
}
inline int QBasicAtomicInt::fetchAndAddOrdered(int newValue)
{
return q_atomic_fetch_and_add_acquire_int(&_q_value, newValue);
}
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 bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
{
return q_atomic_test_and_set_acquire_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>::fetchAndStoreOrdered(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>::fetchAndAddRelaxed(qptrdiff valueToAdd)
{
return reinterpret_cast<T *>(q_atomic_fetch_and_add_ptr(&_q_value, valueToAdd * sizeof(T)));
}
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, valueToAdd * sizeof(T)));
}
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, valueToAdd * sizeof(T)));
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
{
return reinterpret_cast<T *>(q_atomic_fetch_and_add_acquire_ptr(&_q_value, valueToAdd * sizeof(T)));
}
#else
#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE
inline bool QBasicAtomicInt::isReferenceCountingNative()
{ return false; }
inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
{ return false; }
#define Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE
inline bool QBasicAtomicInt::isTestAndSetNative()
{ return false; }
inline bool QBasicAtomicInt::isTestAndSetWaitFree()
{ return false; }
#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_WAIT_FREE
inline bool QBasicAtomicInt::isFetchAndStoreNative()
{ return true; }
inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
{ return true; }
#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE
inline bool QBasicAtomicInt::isFetchAndAddNative()
{ return false; }
inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
{ return false; }
#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
{ return false; }
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
{ return false; }
#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_WAIT_FREE
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
{ return true; }
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
{ return true; }
#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
{ return false; }
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
{ return false; }
extern "C" {
Q_CORE_EXPORT int q_atomic_lock_int(volatile int *addr);
Q_CORE_EXPORT int q_atomic_lock_ptr(volatile void *addr);
Q_CORE_EXPORT void q_atomic_unlock(volatile void *addr, int value);
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);
} // extern "C"
inline bool QBasicAtomicInt::ref()
{
const int val = q_atomic_lock_int(&_q_value);
q_atomic_unlock(&_q_value, val + 1);
return val != -1;
}
inline bool QBasicAtomicInt::deref()
{
const int val = q_atomic_lock_int(&_q_value);
q_atomic_unlock(&_q_value, val - 1);
return val != 1;
}
inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
{
int val = q_atomic_lock_int(&_q_value);
if (val == expectedValue) {
q_atomic_unlock(&_q_value, newValue);
return true;
}
q_atomic_unlock(&_q_value, val);
return false;
}
inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
{
return testAndSetOrdered(expectedValue, newValue);
}
inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
{
return testAndSetOrdered(expectedValue, newValue);
}
inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
{
return testAndSetOrdered(expectedValue, newValue);
}
inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
{
return q_atomic_set_int(&_q_value, newValue);
}
inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
{
return fetchAndStoreOrdered(newValue);
}
inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
{
return fetchAndStoreOrdered(newValue);
}
inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
{
return fetchAndStoreOrdered(newValue);
}
inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
{
const int originalValue = q_atomic_lock_int(&_q_value);
q_atomic_unlock(&_q_value, originalValue + valueToAdd);
return originalValue;
}
inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
{
return fetchAndAddOrdered(valueToAdd);
}
inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
{
return fetchAndAddOrdered(valueToAdd);
}
inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
{
return fetchAndAddOrdered(valueToAdd);
}
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
{
T *val = reinterpret_cast<T *>(q_atomic_lock_ptr(&_q_value));
if (val == expectedValue) {
q_atomic_unlock(&_q_value, reinterpret_cast<int>(newValue));
return true;
}
q_atomic_unlock(&_q_value, reinterpret_cast<int>(val));
return false;
}
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
{
return testAndSetOrdered(expectedValue, newValue);
}
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
{
return testAndSetOrdered(expectedValue, newValue);
}
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
{
return testAndSetOrdered(expectedValue, newValue);
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
{
return reinterpret_cast<T *>(q_atomic_set_ptr(&_q_value, newValue));
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
{
return fetchAndStoreOrdered(newValue);
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
{
return fetchAndStoreOrdered(newValue);
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
{
return fetchAndStoreOrdered(newValue);
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
{
T *originalValue = reinterpret_cast<T *>(q_atomic_lock_ptr(&_q_value));
q_atomic_unlock(&_q_value, int(originalValue + valueToAdd));
return originalValue;
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
{
return fetchAndAddOrdered(valueToAdd);
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
{
return fetchAndAddOrdered(valueToAdd);
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
{
return fetchAndAddOrdered(valueToAdd);
}
#endif // _LP64
QT_END_NAMESPACE
QT_END_HEADER
#endif // QATOMIC_SPARC_H
|
