Fix mingw-w64-qt5-serialport
See https://bugreports.qt.io/browse/QTBUG-78086
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@ -0,0 +1,57 @@
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From 878bb0fc614f83757b69ba7665babc7fc7d56b01 Mon Sep 17 00:00:00 2001
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From: Denis Shienkov <denis.shienkov@gmail.com>
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Date: Fri, 6 Sep 2019 21:19:52 +0300
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Subject: [PATCH] Revert "Emit _q_notify only if there's no notification
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pending"
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This reverts commit 85ee2c658a45d2958a54045951d236769640337f.
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That commit completely breaks the I/O on Windows.
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Task-number: QTBUG-78086
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Change-Id: I6c6b8ef0b5af7bd9dcbea791fbb8322c9e68b900
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Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
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(cherry picked from commit f6b43c36b3839dae54308a6437bbdd99ae9a44de)
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---
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src/serialport/qwinoverlappedionotifier.cpp | 10 +++-------
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1 file changed, 3 insertions(+), 7 deletions(-)
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diff --git a/src/serialport/qwinoverlappedionotifier.cpp b/src/serialport/qwinoverlappedionotifier.cpp
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index 233ee69..615dacc 100644
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--- a/src/serialport/qwinoverlappedionotifier.cpp
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+++ b/src/serialport/qwinoverlappedionotifier.cpp
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@@ -129,7 +129,6 @@ public:
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HANDLE hSemaphore = nullptr;
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HANDLE hResultsMutex = nullptr;
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QAtomicInt waiting;
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- QAtomicInt pendingNotifications;
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QQueue<IOResult> results;
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};
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@@ -396,17 +395,14 @@ void QWinOverlappedIoNotifierPrivate::notify(DWORD numberOfBytes, DWORD errorCod
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results.enqueue(IOResult(numberOfBytes, errorCode, overlapped));
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ReleaseMutex(hResultsMutex);
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ReleaseSemaphore(hSemaphore, 1, NULL);
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- if (!waiting && pendingNotifications-- == 0)
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+ if (!waiting)
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emit q->_q_notify();
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}
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void QWinOverlappedIoNotifierPrivate::_q_notified()
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{
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- int n = pendingNotifications.fetchAndStoreAcquire(0);
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- while (--n >= 0) {
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- if (WaitForSingleObject(hSemaphore, 0) == WAIT_OBJECT_0)
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- dispatchNextIoResult();
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- }
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+ if (WaitForSingleObject(hSemaphore, 0) == WAIT_OBJECT_0)
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+ dispatchNextIoResult();
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}
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OVERLAPPED *QWinOverlappedIoNotifierPrivate::dispatchNextIoResult()
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--
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2.23.0
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@ -10,7 +10,7 @@
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_qt_module=qtserialport
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pkgname="mingw-w64-qt5-serialport"
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pkgver=5.13.1
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pkgrel=1
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pkgrel=2
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arch=('any')
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pkgdesc="Provides access to hardware and virtual serial ports (mingw-w64)"
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depends=('mingw-w64-qt5-base')
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@ -20,8 +20,10 @@ groups=('mingw-w64-qt5')
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license=('GPL3' 'LGPL3' 'FDL' 'custom')
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url='https://www.qt.io/'
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_pkgfqn="${_qt_module}-everywhere-src-$pkgver"
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source=("https://download.qt.io/official_releases/qt/${pkgver%.*}/$pkgver/submodules/${_pkgfqn}.tar.xz")
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sha256sums=('d96706f406d89b459ed0ecd129b68309a91cea0f132b839958b5311ea0d118d2')
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source=("https://download.qt.io/official_releases/qt/${pkgver%.*}/$pkgver/submodules/${_pkgfqn}.tar.xz"
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'0001-Revert-Emit-_q_notify-only-if-there-s-no-notificatio.patch')
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sha256sums=('d96706f406d89b459ed0ecd129b68309a91cea0f132b839958b5311ea0d118d2'
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'93f027427ebde7ecd969b0ddca9526fbea0c4524cc4b62b31ce6d0b7a2693e52')
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_architectures='i686-w64-mingw32 x86_64-w64-mingw32'
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[[ $NO_STATIC_LIBS ]] || \
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@ -33,8 +35,14 @@ _architectures='i686-w64-mingw32 x86_64-w64-mingw32'
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prepare() {
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cd "${srcdir}/${_pkgfqn}"
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# Don't build examples or tests.
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# don't build examples or tests.
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sed -i 's/ examples tests//' qtserialport.pro
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# apply patches; further descriptions can be found in patch files itself
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for patch in "$srcdir/"*.patch; do
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patch -p1 -i "$patch"
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done
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}
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build() {
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