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| author | Giuseppe D'Angelo <giuseppe.dangelo@kdab.com> | 2022-03-06 13:34:15 +0100 |
|---|---|---|
| committer | Giuseppe D'Angelo <giuseppe.dangelo@kdab.com> | 2022-03-17 18:57:47 +0100 |
| commit | 20d0ff1a39c5f9c843f34b6dc1989df526a7367e (patch) | |
| tree | 62aecde6176a9f82c98a28b4701e41f7a821aef0 /src/corelib/thread/qmutex.h | |
| parent | 4b8c20a29715a83aeabc5bc325e0e05e33c859f7 (diff) | |
QMutexLocker: add move semantics
The class is similar to unique_lock in that it allows for unlocking
and relocking. Since the locked state is tracked by QMutexLocker itself,
it's trivial to make it movable.
[ChangeLog][QtCore][QMutexLocker] The class is now movable.
Change-Id: I534044f8024575e996c12efb2236761d493798a3
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Marc Mutz <marc.mutz@qt.io>
Diffstat (limited to 'src/corelib/thread/qmutex.h')
| -rw-r--r-- | src/corelib/thread/qmutex.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/corelib/thread/qmutex.h b/src/corelib/thread/qmutex.h index f57a95de223..e10a3f8f3db 100644 --- a/src/corelib/thread/qmutex.h +++ b/src/corelib/thread/qmutex.h @@ -247,6 +247,13 @@ public: } } + inline QMutexLocker(QMutexLocker &&other) noexcept + : m_mutex(std::exchange(other.m_mutex, nullptr)), + m_isLocked(std::exchange(other.m_isLocked, false)) + {} + + QT_MOVE_ASSIGNMENT_OPERATOR_IMPL_VIA_MOVE_AND_SWAP(QMutexLocker) + inline ~QMutexLocker() { unlock(); @@ -275,6 +282,12 @@ public: } } + inline void swap(QMutexLocker &other) noexcept + { + qt_ptr_swap(m_mutex, other.m_mutex); + std::swap(m_isLocked, other.m_isLocked); + } + Mutex *mutex() const { return m_mutex; |