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/*
* SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "SimpleNamedMutex.h"
SimpleNamedMutex::SimpleNamedMutex(const std::wstring &name)
{
_name = name;
}
bool SimpleNamedMutex::lock()
{
if (_name.empty() || _hMutex) {
return false;
}
// Mutex
_hMutex = CreateMutex(nullptr, TRUE, _name.data());
if (GetLastError() == ERROR_ALREADY_EXISTS) {
CloseHandle(_hMutex);
_hMutex = nullptr;
return false;
}
return true;
}
void SimpleNamedMutex::unlock()
{
// Release mutex
if (_hMutex) {
ReleaseMutex(_hMutex);
CloseHandle(_hMutex);
_hMutex = nullptr;
}
}
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