IPC: Move QSharedMemory and QSystemSemaphore from kernel/ to ipc/

It's not a lot of files, but it's actually more in the same dir than
mime/ does right now. I'm about to add two more files, though I'll also
merge a few more later.

Change-Id: Id8d5e3999fe94b03acc1fffd171bfe2ea36a35a7
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

1 files changed, 0 insertions, 97 deletions

diff --git a/src/corelib/kernel/qsystemsemaphore_win.cpp b/src/corelib/kernel/qsystemsemaphore_win.cpp
deleted file mode 100644
index f1b7e78ff7..0000000000
--- a/src/corelib/kernel/qsystemsemaphore_win.cpp
+++ /dev/null
@@ -1,97 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
-
-#include "qsystemsemaphore.h"
-#include "qsystemsemaphore_p.h"
-#include "qcoreapplication.h"
-#include <qdebug.h>
-#include <qt_windows.h>
-
-QT_BEGIN_NAMESPACE
-
-using namespace Qt::StringLiterals;
-
-#if QT_CONFIG(systemsemaphore)
-
-void QSystemSemaphorePrivate::setErrorString(const QString &function)
-{
-    BOOL windowsError = GetLastError();
-    if (windowsError == 0)
-        return;
-
-    switch (windowsError) {
-    case ERROR_NO_SYSTEM_RESOURCES:
-    case ERROR_NOT_ENOUGH_MEMORY:
-        error = QSystemSemaphore::OutOfResources;
-        errorString = QCoreApplication::translate("QSystemSemaphore", "%1: out of resources").arg(function);
-        break;
-    case ERROR_ACCESS_DENIED:
-        error = QSystemSemaphore::PermissionDenied;
-        errorString = QCoreApplication::translate("QSystemSemaphore", "%1: permission denied").arg(function);
-        break;
-    default:
-        errorString = QCoreApplication::translate("QSystemSemaphore", "%1: unknown error %2").arg(function).arg(windowsError);
-        error = QSystemSemaphore::UnknownError;
-#if defined QSYSTEMSEMAPHORE_DEBUG
-        qDebug() << errorString << "key" << key;
-#endif
-    }
-}
-
-HANDLE QSystemSemaphorePrivate::handle(QSystemSemaphore::AccessMode)
-{
-    // don't allow making handles on empty keys
-    if (key.isEmpty())
-        return 0;
-
-    // Create it if it doesn't already exists.
-    if (semaphore == 0) {
-        semaphore = CreateSemaphore(0, initialValue, MAXLONG,
-                                    reinterpret_cast<const wchar_t*>(fileName.utf16()));
-        if (semaphore == NULL)
-            setErrorString("QSystemSemaphore::handle"_L1);
-    }
-
-    return semaphore;
-}
-
-void QSystemSemaphorePrivate::cleanHandle()
-{
-    if (semaphore && !CloseHandle(semaphore)) {
-#if defined QSYSTEMSEMAPHORE_DEBUG
-        qDebug("QSystemSemaphorePrivate::CloseHandle: sem failed");
-#endif
-    }
-    semaphore = 0;
-}
-
-bool QSystemSemaphorePrivate::modifySemaphore(int count)
-{
-    if (0 == handle())
-        return false;
-
-    if (count > 0) {
-        if (0 == ReleaseSemaphore(semaphore, count, 0)) {
-            setErrorString("QSystemSemaphore::modifySemaphore"_L1);
-#if defined QSYSTEMSEMAPHORE_DEBUG
-            qDebug("QSystemSemaphore::modifySemaphore ReleaseSemaphore failed");
-#endif
-            return false;
-        }
-    } else {
-        if (WAIT_OBJECT_0 != WaitForSingleObjectEx(semaphore, INFINITE, FALSE)) {
-            setErrorString("QSystemSemaphore::modifySemaphore"_L1);
-#if defined QSYSTEMSEMAPHORE_DEBUG
-            qDebug("QSystemSemaphore::modifySemaphore WaitForSingleObject failed");
-#endif
-            return false;
-        }
-    }
-
-    clearError();
-    return true;
-}
-
-#endif // QT_CONFIG(systemsemaphore)
-
-QT_END_NAMESPACE