1 files changed, 0 insertions, 236 deletions
diff --git a/src/gui/embedded/qwslock.cpp b/src/gui/embedded/qwslock.cpp
deleted file mode 100644
index a64dc3d9c4..0000000000
--- a/src/gui/embedded/qwslock.cpp
+++ /dev/null
@@ -1,236 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtGui module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser General Public
-** License version 2.1 as published by the Free Software Foundation and
-** appearing in the file LICENSE.LGPL included in the packaging of this
-** file. Please review the following information to ensure the GNU Lesser
-** General Public License version 2.1 requirements 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qwslock_p.h"
-
-#ifndef QT_NO_QWS_MULTIPROCESS
-
-#include "qwssignalhandler_p.h"
-
-#include <qglobal.h>
-#include <qdebug.h>
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/ipc.h>
-#include <sys/sem.h>
-#include <sys/time.h>
-#include <time.h>
-#ifdef Q_OS_LINUX
-#include <linux/version.h>
-#endif
-#include <unistd.h>
-
-#include <private/qcore_unix_p.h>
-
-QT_BEGIN_NAMESPACE
-
-#ifdef QT_NO_SEMAPHORE
-#error QWSLock currently requires semaphores
-#endif
-
-QWSLock::QWSLock()
-{
-    semId = semget(IPC_PRIVATE, 3, IPC_CREAT | 0666);
-
-    if (semId == -1) {
-        perror("QWSLock::QWSLock");
-        qFatal("Unable to create semaphore");
-    }
-    QWSSignalHandler::instance()->addSemaphore(semId);
-
-    qt_semun semval;
-    semval.val = 1;
-
-    if (semctl(semId, BackingStore, SETVAL, semval) == -1) {
-        perror("QWSLock::QWSLock");
-        qFatal("Unable to initialize backingstore semaphore");
-    }
-    lockCount[BackingStore] = 0;
-
-    if (semctl(semId, Communication, SETVAL, semval) == -1) {
-        perror("QWSLock::QWSLock");
-        qFatal("Unable to initialize communication semaphore");
-    }
-    lockCount[Communication] = 0;
-
-    semval.val = 0;
-    if (semctl(semId, RegionEvent, SETVAL, semval) == -1) {
-        perror("QWSLock::QWSLock");
-        qFatal("Unable to initialize region event semaphore");
-    }
-}
-
-QWSLock::QWSLock(int id)
-{
-    semId = id;
-    QWSSignalHandler::instance()->addSemaphore(semId);
-    lockCount[0] = lockCount[1] = 0;
-}
-
-QWSLock::~QWSLock()
-{
-    if (semId == -1)
-        return;
-    QWSSignalHandler::instance()->removeSemaphore(semId);
-}
-
-static bool forceLock(int semId, unsigned short semNum, int)
-{
-    int ret;
-    do {
-        sembuf sops = { semNum, -1, 0 };
-
-        // As the BackingStore lock is a mutex, and only one process may own
-        // the lock, it's safe to use SEM_UNDO. On the other hand, the
-        // Communication lock is locked by the client but unlocked by the
-        // server and therefore can't use SEM_UNDO.
-        if (semNum == QWSLock::BackingStore)
-            sops.sem_flg |= SEM_UNDO;
-
-        ret = semop(semId, &sops, 1);
-        if (ret == -1 && errno != EINTR)
-            qDebug("QWSLock::lock: %s", strerror(errno));
-    } while (ret == -1 && errno == EINTR);
-
-    return (ret != -1);
-}
-
-static bool up(int semId, unsigned short semNum)
-{
-    int ret;
-    do {
-        sembuf sops = { semNum, 1, 0 };
-        ret = semop(semId, &sops, 1);
-        if (ret == -1 && errno != EINTR)
-            qDebug("QWSLock::up: %s", strerror(errno));
-    } while (ret == -1 && errno == EINTR);
-
-    return (ret != -1);
-}
-
-static bool down(int semId, unsigned short semNum)
-{
-    int ret;
-    do {
-        sembuf sops = { semNum, -1, 0 };
-        ret = semop(semId, &sops, 1);
-        if (ret == -1 && errno != EINTR)
-            qDebug("QWSLock::down: %s", strerror(errno));
-    } while (ret == -1 && errno == EINTR);
-
-    return (ret != -1);
-}
-
-static int getValue(int semId, unsigned short semNum)
-{
-    int ret;
-    do {
-        ret = semctl(semId, semNum, GETVAL, 0);
-        if (ret == -1 && errno != EINTR)
-            qDebug("QWSLock::getValue: %s", strerror(errno));
-    } while (ret == -1 && errno == EINTR);
-
-    return ret;
-}
-
-bool QWSLock::lock(LockType type, int timeout)
-{
-    if (type == RegionEvent)
-        return up(semId, RegionEvent);
-
-    if (hasLock(type)) {
-        ++lockCount[type];
-        return true;
-    }
-
-    if (!forceLock(semId, type, timeout))
-        return false;
-    ++lockCount[type];
-    return true;
-}
-
-bool QWSLock::hasLock(LockType type)
-{
-    if (type == RegionEvent)
-        return (getValue(semId, RegionEvent) == 0);
-
-    return (lockCount[type] > 0);
-}
-
-void QWSLock::unlock(LockType type)
-{
-    if (type == RegionEvent) {
-        down(semId, RegionEvent);
-        return;
-    }
-
-    if (hasLock(type)) {
-        --lockCount[type];
-        if (hasLock(type))
-            return;
-    }
-
-    const unsigned short semNum = type;
-    int ret;
-    do {
-        sembuf sops = {semNum, 1, 0};
-        if (semNum == QWSLock::BackingStore)
-            sops.sem_flg |= SEM_UNDO;
-
-        ret = semop(semId, &sops, 1);
-        if (ret == -1 && errno != EINTR)
-            qDebug("QWSLock::unlock: %s", strerror(errno));
-    } while (ret == -1 && errno == EINTR);
-}
-
-bool QWSLock::wait(LockType type, int timeout)
-{
-    bool ok = forceLock(semId, type, timeout);
-    if (ok)
-        unlock(type);
-    return ok;
-}
-
-QT_END_NAMESPACE
-
-#endif // QT_NO_QWS_MULTIPROCESS