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tqtinterface/qtinterface/qt4/Qt/qatomic_mips.h

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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_MIPS_H
#define QATOMIC_MIPS_H
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
#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
inline bool QBasicAtomicInt::isTestAndSetNative()
{ return true; }
inline bool QBasicAtomicInt::isTestAndSetWaitFree()
{ return false; }
#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
inline bool QBasicAtomicInt::isFetchAndStoreNative()
{ return true; }
inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
{ return false; }
#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
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
{ return true; }
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
{ return false; }
#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
{ return true; }
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
{ return false; }
#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; }
#if defined(Q_CC_GNU) && !defined(Q_OS_IRIX)
#if _MIPS_SIM == _ABIO32
#define SET_MIPS2 ".set mips2\n\t"
#else
#define SET_MIPS2
#endif
inline bool QBasicAtomicInt::ref()
{
register int originalValue;
register int newValue;
asm volatile(".set push\n"
SET_MIPS2
"0:\n"
"ll %[originalValue], %[_q_value]\n"
"addiu %[newValue], %[originalValue], %[one]\n"
"sc %[newValue], %[_q_value]\n"
"beqz %[newValue], 0b\n"
"nop\n"
".set pop\n"
: [originalValue] "=&r" (originalValue),
[_q_value] "+m" (_q_value),
[newValue] "=&r" (newValue)
: [one] "i" (1)
: "cc", "memory");
return originalValue != -1;
}
inline bool QBasicAtomicInt::deref()
{
register int originalValue;
register int newValue;
asm volatile(".set push\n"
SET_MIPS2
"0:\n"
"ll %[originalValue], %[_q_value]\n"
"addiu %[newValue], %[originalValue], %[minusOne]\n"
"sc %[newValue], %[_q_value]\n"
"beqz %[newValue], 0b\n"
"nop\n"
".set pop\n"
: [originalValue] "=&r" (originalValue),
[_q_value] "+m" (_q_value),
[newValue] "=&r" (newValue)
: [minusOne] "i" (-1)
: "cc", "memory");
return originalValue != 1;
}
inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
{
register int result;
register int tempValue;
asm volatile(".set push\n"
SET_MIPS2
"0:\n"
"ll %[result], %[_q_value]\n"
"xor %[result], %[result], %[expectedValue]\n"
"bnez %[result], 0f\n"
"nop\n"
"move %[tempValue], %[newValue]\n"
"sc %[tempValue], %[_q_value]\n"
"beqz %[tempValue], 0b\n"
"nop\n"
"0:\n"
".set pop\n"
: [result] "=&r" (result),
[tempValue] "=&r" (tempValue),
[_q_value] "+m" (_q_value)
: [expectedValue] "r" (expectedValue),
[newValue] "r" (newValue)
: "cc", "memory");
return result == 0;
}
inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
{
register int result;
register int tempValue;
asm volatile(".set push\n"
SET_MIPS2
"0:\n"
"ll %[result], %[_q_value]\n"
"xor %[result], %[result], %[expectedValue]\n"
"bnez %[result], 0f\n"
"nop\n"
"move %[tempValue], %[newValue]\n"
"sc %[tempValue], %[_q_value]\n"
"beqz %[tempValue], 0b\n"
"nop\n"
"sync\n"
"0:\n"
".set pop\n"
: [result] "=&r" (result),
[tempValue] "=&r" (tempValue),
[_q_value] "+m" (_q_value)
: [expectedValue] "r" (expectedValue),
[newValue] "r" (newValue)
: "cc", "memory");
return result == 0;
}
inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
{
register int result;
register int tempValue;
asm volatile(".set push\n"
SET_MIPS2
"sync\n"
"0:\n"
"ll %[result], %[_q_value]\n"
"xor %[result], %[result], %[expectedValue]\n"
"bnez %[result], 0f\n"
"nop\n"
"move %[tempValue], %[newValue]\n"
"sc %[tempValue], %[_q_value]\n"
"beqz %[tempValue], 0b\n"
"nop\n"
"0:\n"
".set pop\n"
: [result] "=&r" (result),
[tempValue] "=&r" (tempValue),
[_q_value] "+m" (_q_value)
: [expectedValue] "r" (expectedValue),
[newValue] "r" (newValue)
: "cc", "memory");
return result == 0;
}
inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
{
return testAndSetAcquire(expectedValue, newValue);
}
inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
{
register int originalValue;
register int tempValue;
asm volatile(".set push\n"
SET_MIPS2
"0:\n"
"ll %[originalValue], %[_q_value]\n"
"move %[tempValue], %[newValue]\n"
"sc %[tempValue], %[_q_value]\n"
"beqz %[tempValue], 0b\n"
"nop\n"
".set pop\n"
: [originalValue] "=&r" (originalValue),
[tempValue] "=&r" (tempValue),
[_q_value] "+m" (_q_value)
: [newValue] "r" (newValue)
: "cc", "memory");
return originalValue;
}
inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
{
register int originalValue;
register int tempValue;
asm volatile(".set push\n"
SET_MIPS2
"0:\n"
"ll %[originalValue], %[_q_value]\n"
"move %[tempValue], %[newValue]\n"
"sc %[tempValue], %[_q_value]\n"
"beqz %[tempValue], 0b\n"
"nop\n"
"sync\n"
".set pop\n"
: [originalValue] "=&r" (originalValue),
[tempValue] "=&r" (tempValue),
[_q_value] "+m" (_q_value)
: [newValue] "r" (newValue)
: "cc", "memory");
return originalValue;
}
inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
{
register int originalValue;
register int tempValue;
asm volatile(".set push\n"
SET_MIPS2
"sync\n"
"0:\n"
"ll %[originalValue], %[_q_value]\n"
"move %[tempValue], %[newValue]\n"
"sc %[tempValue], %[_q_value]\n"
"beqz %[tempValue], 0b\n"
"nop\n"
".set pop\n"
: [originalValue] "=&r" (originalValue),
[tempValue] "=&r" (tempValue),
[_q_value] "+m" (_q_value)
: [newValue] "r" (newValue)
: "cc", "memory");
return originalValue;
}
inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
{
return fetchAndStoreAcquire(newValue);
}
inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
{
register int originalValue;
register int newValue;
asm volatile(".set push\n"
SET_MIPS2
"0:\n"
"ll %[originalValue], %[_q_value]\n"
"addu %[newValue], %[originalValue], %[valueToAdd]\n"
"sc %[newValue], %[_q_value]\n"
"beqz %[newValue], 0b\n"
"nop\n"
".set pop\n"
: [originalValue] "=&r" (originalValue),
[_q_value] "+m" (_q_value),
[newValue] "=&r" (newValue)
: [valueToAdd] "r" (valueToAdd)
: "cc", "memory");
return originalValue;
}
inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
{
register int originalValue;
register int newValue;
asm volatile(".set push\n"
SET_MIPS2
"0:\n"
"ll %[originalValue], %[_q_value]\n"
"addu %[newValue], %[originalValue], %[valueToAdd]\n"
"sc %[newValue], %[_q_value]\n"
"beqz %[newValue], 0b\n"
"nop\n"
"sync\n"
".set pop\n"
: [originalValue] "=&r" (originalValue),
[_q_value] "+m" (_q_value),
[newValue] "=&r" (newValue)
: [valueToAdd] "r" (valueToAdd)
: "cc", "memory");
return originalValue;
}
inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
{
register int originalValue;
register int newValue;
asm volatile(".set push\n"
SET_MIPS2
"sync\n"
"0:\n"
"ll %[originalValue], %[_q_value]\n"
"addu %[newValue], %[originalValue], %[valueToAdd]\n"
"sc %[newValue], %[_q_value]\n"
"beqz %[newValue], 0b\n"
"nop\n"
".set pop\n"
: [originalValue] "=&r" (originalValue),
[_q_value] "+m" (_q_value),
[newValue] "=&r" (newValue)
: [valueToAdd] "r" (valueToAdd)
: "cc", "memory");
return originalValue;
}
inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
{
return fetchAndAddAcquire(valueToAdd);
}
#if defined(__LP64__)
# define LLP "lld"
# define SCP "scd"
#else
# define LLP "ll"
# define SCP "sc"
#endif
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
{
register T *result;
register T *tempValue;
asm volatile(".set push\n"
SET_MIPS2
"0:\n"
LLP" %[result], %[_q_value]\n"
"xor %[result], %[result], %[expectedValue]\n"
"bnez %[result], 0f\n"
"nop\n"
"move %[tempValue], %[newValue]\n"
SCP" %[tempValue], %[_q_value]\n"
"beqz %[tempValue], 0b\n"
"nop\n"
"0:\n"
".set pop\n"
: [result] "=&r" (result),
[tempValue] "=&r" (tempValue),
[_q_value] "+m" (_q_value)
: [expectedValue] "r" (expectedValue),
[newValue] "r" (newValue)
: "cc", "memory");
return result == 0;
}
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
{
register T *result;
register T *tempValue;
asm volatile(".set push\n"
SET_MIPS2
"0:\n"
LLP" %[result], %[_q_value]\n"
"xor %[result], %[result], %[expectedValue]\n"
"bnez %[result], 0f\n"
"nop\n"
"move %[tempValue], %[newValue]\n"
SCP" %[tempValue], %[_q_value]\n"
"beqz %[tempValue], 0b\n"
"nop\n"
"sync\n"
"0:\n"
".set pop\n"
: [result] "=&r" (result),
[tempValue] "=&r" (tempValue),
[_q_value] "+m" (_q_value)
: [expectedValue] "r" (expectedValue),
[newValue] "r" (newValue)
: "cc", "memory");
return result == 0;
}
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
{
register T *result;
register T *tempValue;
asm volatile(".set push\n"
SET_MIPS2
"sync\n"
"0:\n"
LLP" %[result], %[_q_value]\n"
"xor %[result], %[result], %[expectedValue]\n"
"bnez %[result], 0f\n"
"nop\n"
"move %[tempValue], %[newValue]\n"
SCP" %[tempValue], %[_q_value]\n"
"beqz %[tempValue], 0b\n"
"nop\n"
"0:\n"
".set pop\n"
: [result] "=&r" (result),
[tempValue] "=&r" (tempValue),
[_q_value] "+m" (_q_value)
: [expectedValue] "r" (expectedValue),
[newValue] "r" (newValue)
: "cc", "memory");
return result == 0;
}
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>::fetchAndStoreRelaxed(T *newValue)
{
register T *originalValue;
register T *tempValue;
asm volatile(".set push\n"
SET_MIPS2
"0:\n"
LLP" %[originalValue], %[_q_value]\n"
"move %[tempValue], %[newValue]\n"
SCP" %[tempValue], %[_q_value]\n"
"beqz %[tempValue], 0b\n"
"nop\n"
".set pop\n"
: [originalValue] "=&r" (originalValue),
[tempValue] "=&r" (tempValue),
[_q_value] "+m" (_q_value)
: [newValue] "r" (newValue)
: "cc", "memory");
return originalValue;
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
{
register T *originalValue;
register T *tempValue;
asm volatile(".set push\n"
SET_MIPS2
"0:\n"
LLP" %[originalValue], %[_q_value]\n"
"move %[tempValue], %[newValue]\n"
SCP" %[tempValue], %[_q_value]\n"
"beqz %[tempValue], 0b\n"
"nop\n"
"sync\n"
".set pop\n"
: [originalValue] "=&r" (originalValue),
[tempValue] "=&r" (tempValue),
[_q_value] "+m" (_q_value)
: [newValue] "r" (newValue)
: "cc", "memory");
return originalValue;
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
{
register T *originalValue;
register T *tempValue;
asm volatile(".set push\n"
SET_MIPS2
"sync\n"
"0:\n"
LLP" %[originalValue], %[_q_value]\n"
"move %[tempValue], %[newValue]\n"
SCP" %[tempValue], %[_q_value]\n"
"beqz %[tempValue], 0b\n"
"nop\n"
".set pop\n"
: [originalValue] "=&r" (originalValue),
[tempValue] "=&r" (tempValue),
[_q_value] "+m" (_q_value)
: [newValue] "r" (newValue)
: "cc", "memory");
return originalValue;
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
{
return fetchAndStoreAcquire(newValue);
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
{
register T *originalValue;
register T *newValue;
asm volatile(".set push\n"
SET_MIPS2
"0:\n"
LLP" %[originalValue], %[_q_value]\n"
"addu %[newValue], %[originalValue], %[valueToAdd]\n"
SCP" %[newValue], %[_q_value]\n"
"beqz %[newValue], 0b\n"
"nop\n"
".set pop\n"
: [originalValue] "=&r" (originalValue),
[_q_value] "+m" (_q_value),
[newValue] "=&r" (newValue)
: [valueToAdd] "r" (valueToAdd * sizeof(T))
: "cc", "memory");
return originalValue;
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
{
register T *originalValue;
register T *newValue;
asm volatile(".set push\n"
SET_MIPS2
"0:\n"
LLP" %[originalValue], %[_q_value]\n"
"addu %[newValue], %[originalValue], %[valueToAdd]\n"
SCP" %[newValue], %[_q_value]\n"
"beqz %[newValue], 0b\n"
"nop\n"
"sync\n"
".set pop\n"
: [originalValue] "=&r" (originalValue),
[_q_value] "+m" (_q_value),
[newValue] "=&r" (newValue)
: [valueToAdd] "r" (valueToAdd * sizeof(T))
: "cc", "memory");
return originalValue;
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
{
register T *originalValue;
register T *newValue;
asm volatile(".set push\n"
SET_MIPS2
"sync\n"
"0:\n"
LLP" %[originalValue], %[_q_value]\n"
"addu %[newValue], %[originalValue], %[valueToAdd]\n"
SCP" %[newValue], %[_q_value]\n"
"beqz %[newValue], 0b\n"
"nop\n"
".set pop\n"
: [originalValue] "=&r" (originalValue),
[_q_value] "+m" (_q_value),
[newValue] "=&r" (newValue)
: [valueToAdd] "r" (valueToAdd * sizeof(T))
: "cc", "memory");
return originalValue;
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
{
return fetchAndAddAcquire(valueToAdd);
}
#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_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);
} // extern "C"
inline bool QBasicAtomicInt::ref()
{
register int expected;
for (;;) {
expected = _q_value;
if (q_atomic_test_and_set_int(&_q_value, expected, expected + 1))
break;
}
return expected != -1;
}
inline bool QBasicAtomicInt::deref()
{
register int expected;
for (;;) {
expected = _q_value;
if (q_atomic_test_and_set_int(&_q_value, expected, expected - 1))
break;
}
return expected != 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)
{
int returnValue;
for (;;) {
returnValue = _q_value;
if (testAndSetRelaxed(returnValue, newValue))
break;
}
return returnValue;
}
inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
{
int returnValue;
for (;;) {
returnValue = _q_value;
if (testAndSetAcquire(returnValue, newValue))
break;
}
return returnValue;
}
inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
{
int returnValue;
for (;;) {
returnValue = _q_value;
if (testAndSetRelease(returnValue, newValue))
break;
}
return returnValue;
}
inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
{
int returnValue;
for (;;) {
returnValue = _q_value;
if (testAndSetOrdered(returnValue, newValue))
break;
}
return returnValue;
}
inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
{
int returnValue;
for (;;) {
returnValue = _q_value;
if (testAndSetRelaxed(returnValue, returnValue + valueToAdd))
break;
}
return returnValue;
}
inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
{
int returnValue;
for (;;) {
returnValue = _q_value;
if (testAndSetAcquire(returnValue, returnValue + valueToAdd))
break;
}
return returnValue;
}
inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
{
int returnValue;
for (;;) {
returnValue = _q_value;
if (testAndSetRelease(returnValue, returnValue + valueToAdd))
break;
}
return returnValue;
}
inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
{
int returnValue;
for (;;) {
returnValue = _q_value;
if (testAndSetOrdered(returnValue, returnValue + valueToAdd))
break;
}
return returnValue;
}
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)
{
T *returnValue;
for (;;) {
returnValue = (_q_value);
if (testAndSetRelaxed(returnValue, newValue))
break;
}
return returnValue;
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
{
T *returnValue;
for (;;) {
returnValue = (_q_value);
if (testAndSetAcquire(returnValue, newValue))
break;
}
return returnValue;
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
{
T *returnValue;
for (;;) {
returnValue = (_q_value);
if (testAndSetRelease(returnValue, newValue))
break;
}
return returnValue;
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
{
T *returnValue;
for (;;) {
returnValue = (_q_value);
if (testAndSetOrdered(returnValue, newValue))
break;
}
return returnValue;
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
{
T *returnValue;
for (;;) {
returnValue = (_q_value);
if (testAndSetRelaxed(returnValue, returnValue + valueToAdd))
break;
}
return returnValue;
}
template <typename T>
Q_INLINE_TEMPLATE
T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
{
T *returnValue;
for (;;) {
returnValue = (_q_value);
if (testAndSetAcquire(returnValue, returnValue + valueToAdd))
break;
}
return returnValue;
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
{
T *returnValue;
for (;;) {
returnValue = (_q_value);
if (testAndSetRelease(returnValue, returnValue + valueToAdd))
break;
}
return returnValue;
}
template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
{
T *returnValue;
for (;;) {
returnValue = (_q_value);
if (testAndSetOrdered(returnValue, returnValue + valueToAdd))
break;
}
return returnValue;
}
#endif // Q_CC_GNU
QT_END_NAMESPACE
QT_END_HEADER
#endif // QATOMIC_MIPS_H
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