Changeset 561 for trunk/tools/qvfb/qlock.cpp

Timestamp:

Feb 11, 2010, 11:19:06 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.6.1 sources.

Location:

trunk

Files:

• . (modified) (1 prop)
• tools/qvfb/qlock.cpp (modified) (18 diffs)

trunk/tools/qvfb/qlock.cpp

@@ -2 +2 @@
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the QtGui module of the Qt Toolkit.
@@ -21 +22 @@
 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
-** In addition, as a special exception, Nokia gives you certain
-** additional rights. These rights are described in the Nokia Qt LGPL
-** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
 **
 ** GNU General Public License Usage
@@ -34 +34 @@
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
 ** $QT_END_LICENSE$
 **
@@ -42 +42 @@
 #include "qlock_p.h"
 
-#ifndef QT_NO_QWS_MULTIPROCESS
+
+#ifdef QT_NO_QWS_MULTIPROCESS
+
+QT_BEGIN_NAMESPACE
+
+/* no multiprocess - use a dummy */
+
+QLock::QLock(const QString & /*filename*/, char /*id*/, bool /*create*/)
+    : type(Read), data(0)
+{
+}
+
+QLock::~QLock()
+{
+}
+
+bool QLock::isValid() const
+{
+    return true;
+}
+
+void QLock::lock(Type t)
+{
+    data = (QLockData *)-1;
+    type = t;
+}
+
+void QLock::unlock()
+{
+    data = 0;
+}
+
+bool QLock::locked() const
+{
+    return data;
+}
+
+QT_END_NAMESPACE
+
+#else // QT_NO_QWS_MULTIPROCESS
 
 #include "qwssignalhandler_p.h"
+
 #include <unistd.h>
 #include <sys/types.h>
@@ -72 +112 @@
 #include <signal.h>
 
-#endif // QT_NO_QWS_MULTIPROCESS
+#include <private/qcore_unix_p.h> // overrides QT_OPEN
+
+
+QT_BEGIN_NAMESPACE
 
 #define MAX_LOCKS   200            // maximum simultaneous read locks
 
-QT_BEGIN_NAMESPACE
-
-
-#ifndef QT_NO_QWS_MULTIPROCESS
 class QLockData
 {
@@ -90 +129 @@
     bool owned;
 };
-#endif // QT_NO_QWS_MULTIPROCESS
 
 /*!
@@ -97 +135 @@
 
     \ingroup qws
-    \ingroup io
 
     \internal
@@ -125 +162 @@
 QLock::QLock(const QString &filename, char id, bool create)
 {
-#ifdef QT_NO_QWS_MULTIPROCESS
-    Q_UNUSED(filename);
-    Q_UNUSED(id);
-    Q_UNUSED(create);
-#else
     data = new QLockData;
     data->count = 0;
@@ -135 +167 @@
     data->file = QString(filename+id).toLocal8Bit().constData();
     for(int x = 0; x < 2; x++) {
-        data->id = open(data->file, O_RDWR | (x ? O_CREAT : 0), S_IRWXU);
+        data->id = QT_OPEN(data->file, O_RDWR | (x ? O_CREAT : 0), S_IRWXU);
         if(data->id != -1 || !create) {
             data->owned = x;
@@ -162 +194 @@
         qDebug() << "Error" << eno << strerror(eno);
     }
-#endif
 }
 
@@ -173 +204 @@
 QLock::~QLock()
 {
-#ifndef QT_NO_QWS_MULTIPROCESS
     if (locked())
         unlock();
 #ifdef Q_NO_SEMAPHORE
     if(isValid()) {
-        close(data->id);
+        QT_CLOSE(data->id);
         if(data->owned)
             unlink(data->file);
@@ -187 +217 @@
 #endif
     delete data;
-#endif
 }
 
@@ -199 +228 @@
 bool QLock::isValid() const
 {
-#ifndef QT_NO_QWS_MULTIPROCESS
     return (data->id != -1);
-#else
-    return true;
-#endif
 }
 
@@ -220 +245 @@
 void QLock::lock(Type t)
 {
-#ifdef QT_NO_QWS_MULTIPROCESS
-    Q_UNUSED(t);
-#else
     if (!data->count) {
 #ifdef Q_NO_SEMAPHORE
@@ -255 +277 @@
     }
     data->count++;
-#endif
 }
 
@@ -268 +289 @@
 void QLock::unlock()
 {
-#ifndef QT_NO_QWS_MULTIPROCESS
     if(data->count) {
         data->count--;
@@ -297 +317 @@
         qDebug("Unlock without corresponding lock");
     }
-#endif
 }
 
@@ -309 +328 @@
 bool QLock::locked() const
 {
-#ifndef QT_NO_QWS_MULTIPROCESS
     return (data->count > 0);
-#else
-    return false;
-#endif
 }
 
 QT_END_NAMESPACE
+
+#endif // QT_NO_QWS_MULTIPROCESS
+