diff options
Diffstat (limited to 'src/corelib/tools/qsharedpointer.cpp')
-rw-r--r-- | src/corelib/tools/qsharedpointer.cpp | 49 |
1 files changed, 28 insertions, 21 deletions
diff --git a/src/corelib/tools/qsharedpointer.cpp b/src/corelib/tools/qsharedpointer.cpp index 851c1b3a1c..84afb0c5db 100644 --- a/src/corelib/tools/qsharedpointer.cpp +++ b/src/corelib/tools/qsharedpointer.cpp @@ -1,31 +1,38 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Copyright (C) 2016 Intel Corporation. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** 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 ** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. ** ** 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 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company 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 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** @@ -1497,7 +1504,7 @@ void QtSharedPointer::internalSafetyCheckAdd(const void *d_ptr, const volatile v //qDebug("Adding d=%p value=%p", d_ptr, ptr); const void *other_d_ptr = kp->dataPointers.value(ptr, 0); - if (other_d_ptr) { + if (Q_UNLIKELY(other_d_ptr)) { # ifdef BACKTRACE_SUPPORTED printBacktrace(knownPointers()->dPointers.value(other_d_ptr).backtrace); # endif @@ -1527,15 +1534,15 @@ void QtSharedPointer::internalSafetyCheckRemove(const void *d_ptr) QMutexLocker lock(&kp->mutex); - QHash<const void *, Data>::iterator it = kp->dPointers.find(d_ptr); - if (it == kp->dPointers.end()) { + const auto it = kp->dPointers.constFind(d_ptr); + if (Q_UNLIKELY(it == kp->dPointers.cend())) { qFatal("QSharedPointer: internal self-check inconsistency: pointer %p was not tracked. " "To use QT_SHAREDPOINTER_TRACK_POINTERS, you have to enable it throughout " "in your code.", d_ptr); } - QHash<const volatile void *, const void *>::iterator it2 = kp->dataPointers.find(it->pointer); - Q_ASSERT(it2 != kp->dataPointers.end()); + const auto it2 = kp->dataPointers.constFind(it->pointer); + Q_ASSERT(it2 != kp->dataPointers.cend()); //qDebug("Removing d=%p value=%p", d_ptr, it->pointer); @@ -1555,10 +1562,10 @@ void QtSharedPointer::internalSafetyCheckCleanCheck() KnownPointers *const kp = knownPointers(); Q_ASSERT_X(kp, "internalSafetyCheckSelfCheck()", "Called after global statics deletion!"); - if (kp->dPointers.size() != kp->dataPointers.size()) + if (Q_UNLIKELY(kp->dPointers.size() != kp->dataPointers.size())) qFatal("Internal consistency error: the number of pointers is not equal!"); - if (!kp->dPointers.isEmpty()) + if (Q_UNLIKELY(!kp->dPointers.isEmpty())) qFatal("Pointer cleaning failed: %d entries remaining", kp->dPointers.size()); # endif } |