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Alex Trotsenko cdbd68fc2f Allow QWinEventNotifier to coexist with waiting functions 
Many subclasses of QIODevice have a functionality to block execution
until some asynchronous I/O operation completes. In case we are using
QWinEventNotifier, a typical reimplemented waitFor{ReadyRead
|BytesWritten}() function could look like:

  if (WaitForSingleObject(notifier.handle(),...) == WAIT_OBJECT_0) {
      notifier.setEnabled(false);
      ResetEvent(notifier.handle());

      bool res = GetOverlappedResult(...);
      ...
      return true;
  }

Despite the fact that the operation ends synchronously, it leaves the
notifier in a state that indicates it has received the event, so its
next call to setEnabled(true) will produce a fake notification.

So, we should reset a notifier's history before enabling it again.

Change-Id: I62a9dd809ce6a7a40e9d8038f2a49299b36f8142
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
2018-03-27 15:08:46 +00:00
bin syncqt: remove 'descend' parameter from findFiles() 2018-02-28 18:15:56 +00:00
config.tests Merge remote-tracking branch 'origin/5.9' into 5.11 2018-02-14 12:51:24 +01:00
dist Merge remote-tracking branch 'origin/5.9' into 5.11 2018-02-14 12:51:24 +01:00
doc Doc: Complete Dynamic Layouts Example 2018-03-14 12:44:20 +00:00
examples Update rasterwindow example to not render in resizeEvent 2018-03-20 16:00:31 +00:00
lib Purge all fonts 2015-08-18 19:59:14 +00:00
mkspecs Merge remote-tracking branch 'origin/5.11' into dev 2018-03-21 08:59:26 +01:00
qmake XCode: Fix the output paths for extra compilers with fileFixify() 2018-03-17 23:14:23 +00:00
src Allow QWinEventNotifier to coexist with waiting functions 2018-03-27 15:08:46 +00:00
tests Allow QWinEventNotifier to coexist with waiting functions 2018-03-27 15:08:46 +00:00
util Add a note to the CLDR-munging scripts about updating the attribution 2018-02-17 22:22:33 +00:00
.gitattributes Update the git-archive export options 2012-09-07 15:39:31 +02:00
.gitignore gitignore: don't ignore Info.plist templates for libraries 2017-11-23 07:07:48 +00:00
.qmake.conf Bump version 2018-02-20 19:53:08 +01:00
.tag Update the git-archive export options 2012-09-07 15:39:31 +02:00
config_help.txt xcb: Use XCB instead of Xlib for XInput 2018-03-22 20:51:09 +00:00
configure Remove references to obsolete platforms 2017-11-05 06:33:53 +00:00
configure.bat configure: Prefer cl.exe over clang-cl.exe 2018-01-04 21:22:42 +00:00
configure.json Merge remote-tracking branch 'origin/5.11' into dev 2018-03-21 08:59:26 +01:00
configure.pri configure: introduce 'subarch' term to expression evaluator 2018-02-22 21:39:36 +00:00
header.BSD Add new license header templates and license files 2016-01-14 20:43:46 +00:00
header.COMM Add header template for commercial only modules 2015-10-19 10:37:18 +00:00
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header.LGPL Add new license header templates and license files 2016-01-14 20:43:46 +00:00
header.LGPL3 Update copyright headers 2015-02-11 06:49:51 +00:00
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INSTALL Doc: Update links in INSTALL file 2015-02-16 09:06:41 +00:00
LGPL_EXCEPTION.txt Update copyright headers 2015-02-11 06:49:51 +00:00
LICENSE.FDL Initial import from the monolithic Qt. 2011-04-27 12:05:43 +02:00
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LICENSE.GPLv3 Expand license scope from "Qt GUI Toolkit" to "Qt Toolkit" 2016-06-15 07:02:32 +00:00
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LICENSE.LGPLv3 Expand license scope from "Qt GUI Toolkit" to "Qt Toolkit" 2016-06-15 07:02:32 +00:00
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qtbase.pro nuke configure -host-option 2016-12-13 18:55:59 +00:00
sync.profile Add support for Windows UI Automation 2017-11-14 23:31:04 +00:00