mirror of
https://github.com/CalcProgrammer1/OpenRGB.git
synced 2025-12-23 23:37:48 -05:00
65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
/*---------------------------------------------------------*\
|
|
| CorsairDeviceGuard.cpp |
|
|
| |
|
|
| DeviceGuard for Corsair devices |
|
|
| |
|
|
| Evan Mulawski 04 Sep 2023 |
|
|
| |
|
|
| This file is part of the OpenRGB project |
|
|
| SPDX-License-Identifier: GPL-2.0-or-later |
|
|
\*---------------------------------------------------------*/
|
|
|
|
#include "CorsairDeviceGuard.h"
|
|
|
|
CorsairDeviceGuard::CorsairDeviceGuard() : DeviceGuard()
|
|
{
|
|
#ifdef _WIN32
|
|
mutex_handle = CreateWindowsMutex();
|
|
#endif
|
|
}
|
|
|
|
void CorsairDeviceGuard::Acquire()
|
|
{
|
|
#ifdef _WIN32
|
|
while(true)
|
|
{
|
|
DWORD result = WaitForSingleObject(mutex_handle, INFINITE);
|
|
|
|
if(result == WAIT_OBJECT_0)
|
|
{
|
|
break;
|
|
}
|
|
|
|
if(result == WAIT_ABANDONED)
|
|
{
|
|
ReleaseMutex(mutex_handle);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void CorsairDeviceGuard::Release()
|
|
{
|
|
#ifdef _WIN32
|
|
ReleaseMutex(mutex_handle);
|
|
#endif
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
|
|
HANDLE CorsairDeviceGuard::CreateWindowsMutex()
|
|
{
|
|
SECURITY_DESCRIPTOR sd;
|
|
InitializeSecurityDescriptor(&sd, SECURITY_DESCRIPTOR_REVISION);
|
|
SetSecurityDescriptorDacl(&sd, TRUE, NULL, FALSE);
|
|
|
|
SECURITY_ATTRIBUTES sa;
|
|
sa.nLength = sizeof(SECURITY_ATTRIBUTES);
|
|
sa.lpSecurityDescriptor = &sd;
|
|
sa.bInheritHandle = FALSE;
|
|
|
|
return CreateMutex(&sa, FALSE, "Global\\CorsairLinkReadWriteGuardMutex");
|
|
}
|
|
|
|
#endif
|