diff options
author | Frederik Gladhorn <frederik.gladhorn@theqtcompany.com> | 2016-01-08 12:30:57 +0100 |
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committer | Frederik Gladhorn <frederik.gladhorn@theqtcompany.com> | 2016-01-08 12:35:24 +0100 |
commit | ad16478a76815f8f61d454bf7760aaf9ffbb4b51 (patch) | |
tree | eefdd9219cc9d59b62e042f49fc7555b980cb7a4 /src/corelib/io/qwinoverlappedionotifier.cpp | |
parent | 80a741f3616290897ba0d9f1cbd3c9c5ee62da37 (diff) | |
parent | 09c92863001790a0304a5ef389901ee2b5b6cdc2 (diff) |
Merge remote-tracking branch 'origin/5.6' into dev
Based on merge done by Liang Qi
Change-Id: Id566e5b9f284d29bff2199f13f9417c660f5b26f
Diffstat (limited to 'src/corelib/io/qwinoverlappedionotifier.cpp')
-rw-r--r-- | src/corelib/io/qwinoverlappedionotifier.cpp | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/src/corelib/io/qwinoverlappedionotifier.cpp b/src/corelib/io/qwinoverlappedionotifier.cpp index c6ce15c2c9..c9de6671f7 100644 --- a/src/corelib/io/qwinoverlappedionotifier.cpp +++ b/src/corelib/io/qwinoverlappedionotifier.cpp @@ -102,7 +102,8 @@ public: OVERLAPPED *waitForAnyNotified(int msecs); void notify(DWORD numberOfBytes, DWORD errorCode, OVERLAPPED *overlapped); - OVERLAPPED *_q_notified(); + void _q_notified(); + OVERLAPPED *dispatchNextIoResult(); static QWinIoCompletionPort *iocp; static HANDLE iocpInstanceLock; @@ -302,8 +303,7 @@ OVERLAPPED *QWinOverlappedIoNotifierPrivate::waitForAnyNotified(int msecs) const DWORD wfso = WaitForSingleObject(hSemaphore, msecs == -1 ? INFINITE : DWORD(msecs)); switch (wfso) { case WAIT_OBJECT_0: - ReleaseSemaphore(hSemaphore, 1, NULL); - return _q_notified(); + return dispatchNextIoResult(); case WAIT_TIMEOUT: return 0; default: @@ -385,17 +385,20 @@ void QWinOverlappedIoNotifierPrivate::notify(DWORD numberOfBytes, DWORD errorCod emit q->_q_notify(); } -OVERLAPPED *QWinOverlappedIoNotifierPrivate::_q_notified() +void QWinOverlappedIoNotifierPrivate::_q_notified() +{ + if (WaitForSingleObject(hSemaphore, 0) == WAIT_OBJECT_0) + dispatchNextIoResult(); +} + +OVERLAPPED *QWinOverlappedIoNotifierPrivate::dispatchNextIoResult() { Q_Q(QWinOverlappedIoNotifier); - if (WaitForSingleObject(hSemaphore, 0) == WAIT_OBJECT_0) { - WaitForSingleObject(hResultsMutex, INFINITE); - IOResult ioresult = results.dequeue(); - ReleaseMutex(hResultsMutex); - emit q->notified(ioresult.numberOfBytes, ioresult.errorCode, ioresult.overlapped); - return ioresult.overlapped; - } - return 0; + WaitForSingleObject(hResultsMutex, INFINITE); + IOResult ioresult = results.dequeue(); + ReleaseMutex(hResultsMutex); + emit q->notified(ioresult.numberOfBytes, ioresult.errorCode, ioresult.overlapped); + return ioresult.overlapped; } QT_END_NAMESPACE |