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| author | Thiago Macieira <thiago.macieira@intel.com> | 2012-08-10 16:14:48 +0200 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2013-01-28 07:13:23 +0100 |
| commit | bf5f2a9e3e3bf70c373b65bf95a332f4e1c514f9 (patch) | |
| tree | ae2925a69f3f69854d7d0c30d2e51eee9dec321f /src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm | |
| parent | 5c5c9c26d299cd230dc48efcaaf3627861efa673 (diff) | |
| download | qtbase-bf5f2a9e3e3bf70c373b65bf95a332f4e1c514f9.tar.gz | |
Switch to struct timespec everywhere instead of timeval
This avoids an extra division by 1000 when getting the current time.
This can't overflow, under normal circumstances, even on 32-bit: when
adding two values less than 1 billion, the result is less than 2
billion, which is less than 2^31.
Change-Id: I6f8e1aadfe2fcf6ac8da584eab4c1e61aee51cbb
Reviewed-by: David Faure (KDE) <faure@kde.org>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm')
| -rw-r--r-- | src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm b/src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm index 305e7ff985..b99b7e07bb 100644 --- a/src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm +++ b/src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm @@ -149,10 +149,10 @@ void QCocoaEventDispatcherPrivate::maybeStartCFRunLoopTimer() CFTimeInterval oneyear = CFTimeInterval(3600. * 24. * 365.); // Q: when should the CFRunLoopTimer fire for the first time? - struct timeval tv; + struct timespec tv; if (timerInfoList.timerWait(tv)) { // A: when we have timers to fire, of course - interval = qMax(tv.tv_sec + tv.tv_usec / 1000000., 0.0000001); + interval = qMax(tv.tv_sec + tv.tv_nsec / 1000000000., 0.0000001); } else { // this shouldn't really happen, but in case it does, set the timer to fire a some point in the distant future interval = oneyear; @@ -172,10 +172,10 @@ void QCocoaEventDispatcherPrivate::maybeStartCFRunLoopTimer() CFTimeInterval interval; // Q: when should the timer first next? - struct timeval tv; + struct timespec tv; if (timerInfoList.timerWait(tv)) { // A: when we have timers to fire, of course - interval = qMax(tv.tv_sec + tv.tv_usec / 1000000., 0.0000001); + interval = qMax(tv.tv_sec + tv.tv_nsec / 1000000000., 0.0000001); } else { // no timers can fire, but we cannot stop the CFRunLoopTimer, set the timer to fire at some // point in the distant future (the timer interval is one year) |