diff options
Diffstat (limited to 'src/corelib/kernel/qsystemsemaphore_win.cpp')
-rw-r--r-- | src/corelib/kernel/qsystemsemaphore_win.cpp | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/src/corelib/kernel/qsystemsemaphore_win.cpp b/src/corelib/kernel/qsystemsemaphore_win.cpp deleted file mode 100644 index db23b9144f..0000000000 --- a/src/corelib/kernel/qsystemsemaphore_win.cpp +++ /dev/null @@ -1,102 +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; - -#ifndef QT_NO_SYSTEMSEMAPHORE - -QSystemSemaphorePrivate::QSystemSemaphorePrivate() : - semaphore(0), error(QSystemSemaphore::NoError) -{ -} - -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_NO_SYSTEMSEMAPHORE - -QT_END_NAMESPACE |