1 files changed, 0 insertions, 156 deletions
diff --git a/src/corelib/kernel/qsharedmemory_win.cpp b/src/corelib/kernel/qsharedmemory_win.cpp
deleted file mode 100644
index 8c0c295ae0..0000000000
--- a/src/corelib/kernel/qsharedmemory_win.cpp
+++ /dev/null
@@ -1,156 +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 "qsharedmemory.h"
-#include "qsharedmemory_p.h"
-#include "qsystemsemaphore.h"
-#include <qdebug.h>
-#include <qt_windows.h>
-
-QT_BEGIN_NAMESPACE
-
-using namespace Qt::StringLiterals;
-
-#if QT_CONFIG(sharedmemory)
-
-QSharedMemoryPrivate::QSharedMemoryPrivate() :
-#ifndef QT_NO_QOBJECT
-    QObjectPrivate(),
-#endif
-        memory(0), size(0), error(QSharedMemory::NoError),
-           systemSemaphore(QString()), lockedByMe(false), hand(0)
-{
-}
-
-void QSharedMemoryPrivate::setErrorString(QLatin1StringView function)
-{
-    DWORD windowsError = GetLastError();
-    if (windowsError == 0)
-        return;
-    switch (windowsError) {
-    case ERROR_ALREADY_EXISTS:
-        error = QSharedMemory::AlreadyExists;
-        errorString = QSharedMemory::tr("%1: already exists").arg(function);
-    break;
-    case ERROR_FILE_NOT_FOUND:
-        error = QSharedMemory::NotFound;
-        errorString = QSharedMemory::tr("%1: doesn't exist").arg(function);
-        break;
-    case ERROR_COMMITMENT_LIMIT:
-        error = QSharedMemory::InvalidSize;
-        errorString = QSharedMemory::tr("%1: invalid size").arg(function);
-        break;
-    case ERROR_NO_SYSTEM_RESOURCES:
-    case ERROR_NOT_ENOUGH_MEMORY:
-        error = QSharedMemory::OutOfResources;
-        errorString = QSharedMemory::tr("%1: out of resources").arg(function);
-        break;
-    case ERROR_ACCESS_DENIED:
-        error = QSharedMemory::PermissionDenied;
-        errorString = QSharedMemory::tr("%1: permission denied").arg(function);
-        break;
-    default:
-        errorString = QSharedMemory::tr("%1: unknown error %2").arg(function).arg(windowsError);
-        error = QSharedMemory::UnknownError;
-#if defined QSHAREDMEMORY_DEBUG
-        qDebug() << errorString << "key" << key;
-#endif
-    }
-}
-
-HANDLE QSharedMemoryPrivate::handle()
-{
-    if (!hand) {
-        const auto function = "QSharedMemory::handle"_L1;
-        if (nativeKey.isEmpty()) {
-            error = QSharedMemory::KeyError;
-            errorString = QSharedMemory::tr("%1: unable to make key").arg(function);
-            return 0;
-        }
-        hand = OpenFileMapping(FILE_MAP_ALL_ACCESS, false,
-                               reinterpret_cast<const wchar_t *>(nativeKey.utf16()));
-        if (!hand) {
-            setErrorString(function);
-            return 0;
-        }
-    }
-    return hand;
-}
-
-bool QSharedMemoryPrivate::cleanHandle()
-{
-    if (hand != 0 && !CloseHandle(hand)) {
-        hand = 0;
-        setErrorString("QSharedMemory::cleanHandle"_L1);
-        return false;
-    }
-    hand = 0;
-    return true;
-}
-
-bool QSharedMemoryPrivate::create(qsizetype size)
-{
-    const auto function = "QSharedMemory::create"_L1;
-    if (nativeKey.isEmpty()) {
-        error = QSharedMemory::KeyError;
-        errorString = QSharedMemory::tr("%1: key error").arg(function);
-        return false;
-    }
-
-    // Create the file mapping.
-    DWORD high, low;
-    if constexpr (sizeof(qsizetype) == 8)
-        high = DWORD(quint64(size) >> 32);
-    else
-        high = 0;
-    low = DWORD(size_t(size) & 0xffffffff);
-    hand = CreateFileMapping(INVALID_HANDLE_VALUE, 0, PAGE_READWRITE, high, low,
-                             reinterpret_cast<const wchar_t *>(nativeKey.utf16()));
-    setErrorString(function);
-
-    // hand is valid when it already exists unlike unix so explicitly check
-    return error != QSharedMemory::AlreadyExists && hand;
-}
-
-bool QSharedMemoryPrivate::attach(QSharedMemory::AccessMode mode)
-{
-    // Grab a pointer to the memory block
-    int permissions = (mode == QSharedMemory::ReadOnly ? FILE_MAP_READ : FILE_MAP_ALL_ACCESS);
-    memory = (void *)MapViewOfFile(handle(), permissions, 0, 0, 0);
-    if (0 == memory) {
-        setErrorString("QSharedMemory::attach"_L1);
-        cleanHandle();
-        return false;
-    }
-
-    // Grab the size of the memory we have been given (a multiple of 4K on windows)
-    MEMORY_BASIC_INFORMATION info;
-    if (!VirtualQuery(memory, &info, sizeof(info))) {
-        // Windows doesn't set an error code on this one,
-        // it should only be a kernel memory error.
-        error = QSharedMemory::UnknownError;
-        errorString = QSharedMemory::tr("%1: size query failed").arg("QSharedMemory::attach: "_L1);
-        return false;
-    }
-    size = qsizetype(info.RegionSize);
-
-    return true;
-}
-
-bool QSharedMemoryPrivate::detach()
-{
-    // umap memory
-    if (!UnmapViewOfFile(memory)) {
-        setErrorString("QSharedMemory::detach"_L1);
-        return false;
-    }
-    memory = 0;
-    size = 0;
-
-    // close handle
-    return cleanHandle();
-}
-
-#endif // QT_CONFIG(sharedmemory)
-
-QT_END_NAMESPACE