QWindowsPipe{Reader|Writer}: restructure signals

For QProcess, there is no point in suppressing recursive
QWPR::readyRead() emission, as the former manages this logic itself. On
top of that, the non-recursive nature of QWPR::readyRead() indirectly
disallowed reading from the channels inside
QProcess::waitForReadyRead(), if that is called from a slot connected
to QProcess::readyRead().

QWPW had two signals, one allowing recursion and one not.

This commit allows recursion of QWPR::readyRead() and
QWPW::bytesWritten(), and moves recursion suppression to the higher-
level classes. This makes the code more uniform and efficient, at the
cost of a few duplicated lines.

Change-Id: Ib20017fff4d92403d0bf2335f1622de4aa1ddcef
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>

1 files changed, 0 insertions, 2 deletions

diff --git a/src/corelib/io/qwindowspipewriter_p.h b/src/corelib/io/qwindowspipewriter_p.h
index d33c2753a8..cb78195a85 100644
--- a/src/corelib/io/qwindowspipewriter_p.h
+++ b/src/corelib/io/qwindowspipewriter_p.h
@@ -77,7 +77,6 @@ public:
     HANDLE syncEvent() const { return syncHandle; }
 
 Q_SIGNALS:
-    void canWrite();
     void bytesWritten(qint64 bytes);
 
 protected:
@@ -104,7 +103,6 @@ private:
     bool writeSequenceStarted;
     bool bytesWrittenPending;
     bool winEventActPosted;
-    bool inBytesWritten;
 };
 
 QT_END_NAMESPACE