From aa1b4c0943187d82e0c313b93559e99226a9c75a Mon Sep 17 00:00:00 2001 From: Friedemann Kleint Date: Thu, 2 May 2013 17:04:08 +0200 Subject: Disable precision timers when running MSVC2012 code on pre-Windows 8. Precision timers can cause the event loop to lock up when running MSVC2012 code on pre-Windows 8. Task-number: QTBUG-27266 Change-Id: Idd73731e82843d0d140859bab825bc1a54eccf1a Reviewed-by: Gunnar Sletta --- src/corelib/kernel/qeventdispatcher_win.cpp | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'src') diff --git a/src/corelib/kernel/qeventdispatcher_win.cpp b/src/corelib/kernel/qeventdispatcher_win.cpp index ae291f13cd..d1bd8fbe95 100644 --- a/src/corelib/kernel/qeventdispatcher_win.cpp +++ b/src/corelib/kernel/qeventdispatcher_win.cpp @@ -52,6 +52,8 @@ #include "qelapsedtimer.h" #include "qcoreapplication_p.h" +#include "qsysinfo.h" + #include #include @@ -305,8 +307,14 @@ static void resolveTimerAPI() #endif triedResolve = true; #if !defined(Q_OS_WINCE) +# if defined(_MSC_VER) && _MSC_VER >= 1700 + if (QSysInfo::WindowsVersion >= QSysInfo::WV_WINDOWS8) { // QTBUG-27266, Disable when running MSVC2012-built code on pre-Windows 8 +# else + { +# endif qtimeSetEvent = (ptimeSetEvent)QSystemLibrary::resolve(QLatin1String("winmm"), "timeSetEvent"); qtimeKillEvent = (ptimeKillEvent)QSystemLibrary::resolve(QLatin1String("winmm"), "timeKillEvent"); + } #else qtimeSetEvent = (ptimeSetEvent)QSystemLibrary::resolve(QLatin1String("Mmtimer"), "timeSetEvent"); qtimeKillEvent = (ptimeKillEvent)QSystemLibrary::resolve(QLatin1String("Mmtimer"), "timeKillEvent"); -- cgit v1.2.3