Patch request to qt 5.9.4 (Re: [ANNOUNCEMENT] Qt 5.9.4)
Tatsuro MATSUOKA
tmacchant2@yahoo.co.jp
Mon Mar 11 03:33:00 GMT 2019
----- Original Message -----
> From: Yaakov Selkowitz <yselkowitz
> To: cygwin
> Cc:
> Date: 2019/3/11, Mon 09:53
> Subject: Re: Patch request to qt 5.9.4 (Re: [ANNOUNCEMENT] Qt 5.9.4)
>
> On Mon, 2019-03-11 at 09:28 +0900, Tatsuro MATSUOKA wrote:
>> > On Mon, 2019-03-04 at 07:43 +0900, Tatsuro MATSUOKA wrote:
>> > > I ask alpply a patch the below which enables to use qt terminal
> on gnuplot
>> > for Cygwin.
>> > > (cygQt5Network-5.dll is affected.)
>> > >
>> > > ---
> a/qtbase-opensource-src-5.9.4/src/network/socket/qlocalsocket_unix.cpp
>> > > +++
> b/qtbase-opensource-src-5.9.4/src/network/socket/qlocalsocket_unix.cpp
>> > > @@ -239,7 +239,7 @@ void QLocalSocket::connectToServer(OpenM
>> > > }
>> > > // create the socket
>> > > - if (-1 == (d->connectingSocket = qt_safe_socket(PF_UNIX,
> SOCK_STREAM, 0, O_NONBLOCK))) {
>> > > + if (-1 == (d->connectingSocket = qt_safe_socket(PF_UNIX,
> SOCK_STREAM, 0))) {
>> > > d->errorOccurred(UnsupportedSocketOperationError,
> QLatin1String("QLocalSocket::connectToServer"));
>> > > return;
>> > >
>> >
>> > It seems we keep going in circles on this point. If there is a bug in
>> > O_NONBLOCK, then please either narrow it down to an STC, or provide a
>> > patch to Cygwin.
>>
>> Very basic question. What is STC?
>> I googled but I cannot find what is it.
>
> https://cygwin.com/acronyms/#STC
Sorry I cannot make STC due to lack of knowledge of QT.
In stead, I explain what gnuplot do.
On gnuplot for qt,
plot is done by child process named gnuplot_qt.
When gnuplot connect with gnuplot with
qt->socket.connectToServer(server);
without the above patch ()
qt_safe_socket(PF_UNIX, SOCK_STREAM, 0, O_NONBLOCK)))
gnuplot cannot connect with gnuplot_qt.
with the above patch ()
qt_safe_socket(PF_UNIX, SOCK_STREAM, 0))
gnuplot can connect with gnuplot_qt.
Perhaps qt with O_NONBLOCK is some wrong with process connection.
Tatsuro
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