diff options
author | Marc Mutz <marc.mutz@kdab.com> | 2012-07-01 23:19:47 +0200 |
---|---|---|
committer | Qt by Nokia <qt-info@nokia.com> | 2012-08-20 16:58:32 +0200 |
commit | 21072c85b64f301f42b6fe0694dcdb0a571a7893 (patch) | |
tree | fcc547b7bab0976f4f39e56da376c5e07f3a15a5 /src/corelib | |
parent | 3ef95347feef61a9d3d36763bb8dc65217827922 (diff) |
QBasicAtomic: add QT_BASIC_ATOMIC_HAS_CONSTRUCTORS macro
This macro is defined when the QBasicAtomic* types have constructors.
It will be used to simplify maintenance of QBasicAtomic subclasses,
as well as classes that aggregate Q(Basic)Atomics and wish to be
literal types if possible.
Change-Id: I7ab181c58a13ec2195449bbae5b3476b9017a8f2
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'src/corelib')
-rw-r--r-- | src/corelib/thread/qbasicatomic.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/corelib/thread/qbasicatomic.h b/src/corelib/thread/qbasicatomic.h index 8aec250f90..7ca0ab0bca 100644 --- a/src/corelib/thread/qbasicatomic.h +++ b/src/corelib/thread/qbasicatomic.h @@ -118,6 +118,10 @@ QT_END_HEADER // New atomics +#if defined(Q_COMPILER_CONSTEXPR) && defined(Q_COMPILER_DEFAULT_MEMBERS) && defined(Q_COMPILER_DELETE_MEMBERS) +# define QT_BASIC_ATOMIC_HAS_CONSTRUCTORS +#endif + template <typename T> class QBasicAtomicInteger { @@ -179,7 +183,7 @@ public: T fetchAndAddOrdered(T valueToAdd) Q_DECL_NOTHROW { return Ops::fetchAndAddOrdered(_q_value, valueToAdd); } -#if defined(Q_COMPILER_CONSTEXPR) && defined(Q_COMPILER_DEFAULT_MEMBERS) && defined(Q_COMPILER_DELETE_MEMBERS) +#ifdef QT_BASIC_ATOMIC_HAS_CONSTRUCTORS QBasicAtomicInteger() = default; constexpr QBasicAtomicInteger(T value) Q_DECL_NOTHROW : _q_value(value) {} QBasicAtomicInteger(const QBasicAtomicInteger &) = delete; @@ -243,7 +247,7 @@ public: Type fetchAndAddOrdered(qptrdiff valueToAdd) Q_DECL_NOTHROW { return Ops::fetchAndAddOrdered(_q_value, valueToAdd); } -#if defined(Q_COMPILER_CONSTEXPR) && defined(Q_COMPILER_DEFAULT_MEMBERS) && defined(Q_COMPILER_DELETE_MEMBERS) +#ifdef QT_BASIC_ATOMIC_HAS_CONSTRUCTORS QBasicAtomicPointer() = default; constexpr QBasicAtomicPointer(Type value) Q_DECL_NOTHROW : _q_value(value) {} QBasicAtomicPointer(const QBasicAtomicPointer &) = delete; |