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| author | Thiago Macieira <thiago.macieira@intel.com> | 2016-05-22 20:06:57 -0700 |
|---|---|---|
| committer | Thiago Macieira <thiago.macieira@intel.com> | 2018-03-03 20:53:26 +0000 |
| commit | fd207c06b81b12086bdf80e4fa7b393bf1f424d6 (patch) | |
| tree | 1ef07d6c699ed66647207c9b42edbec2f11743d7 /src/corelib/kernel/qdeadlinetimer.h | |
| parent | 8c04a5e9640df0f1b2f533ee5fa698e2f466ad1f (diff) | |
| download | qtbase-fd207c06b81b12086bdf80e4fa7b393bf1f424d6.tar.gz | |
Port QWaitCondition to QDeadlineTimer
Since pthread_cond_timedwait takes absolute time instead of relative
time like most POSIX API, there's a small gain in performance here: we
avoid an extra system call to get the current time.
Task-number: QTBUG-64266
Change-Id: I25d85d86649448d5b2b3fffd1451138568091f50
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Diffstat (limited to 'src/corelib/kernel/qdeadlinetimer.h')
| -rw-r--r-- | src/corelib/kernel/qdeadlinetimer.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/corelib/kernel/qdeadlinetimer.h b/src/corelib/kernel/qdeadlinetimer.h index 6c10e1025e..1a4ee04a96 100644 --- a/src/corelib/kernel/qdeadlinetimer.h +++ b/src/corelib/kernel/qdeadlinetimer.h @@ -43,6 +43,7 @@ #include <QtCore/qelapsedtimer.h> #include <QtCore/qmetatype.h> #include <QtCore/qnamespace.h> +#include <QtCore/qpair.h> #ifdef max // un-pollute the namespace. We need std::numeric_limits::max() and std::chrono::duration::max() @@ -186,6 +187,10 @@ private: unsigned type; qint64 rawRemainingTimeNSecs() const Q_DECL_NOTHROW; + +public: + // This is not a public function, it's here only for Qt's internal convenience... + QPair<qint64, unsigned> _q_data() const { return qMakePair(t1, t2); } }; Q_DECLARE_SHARED(QDeadlineTimer) |