nextcloud-desktop/admin/win/tools/NCNavRemove/dll/dllmain.cpp
Michael Schuster 61dc4b9137
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Signed-off-by: Michael Schuster <michael@schuster.ms>
2020-10-15 02:18:52 +02:00

42 lines
1.1 KiB
C++

/*
* Copyright (C) by Michael Schuster <michael@schuster.ms>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include <windows.h>
#include "SimpleNamedMutex.h"
#include "NavRemoveConstants.h"
SimpleNamedMutex g_mutex(std::wstring(MUTEX_NAME));
bool g_alreadyRunning = false;
extern "C" BOOL WINAPI DllMain(
__in HINSTANCE hInst,
__in ULONG ulReason,
__in LPVOID
)
{
switch(ulReason)
{
case DLL_PROCESS_ATTACH:
// Mutex
g_alreadyRunning = !g_mutex.lock();
break;
case DLL_PROCESS_DETACH:
// Release mutex
g_mutex.unlock();
break;
}
return TRUE;
}