Publish LumaOps source

2026-09-03 01:18:36 +02:00
commit 7f1c0e5f71
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+/*---------------------------------------------------------*\
+| RazerDeviceGuard.cpp                                      |
+|                                                           |
+|   DeviceGuard for Razer devices                           |
+|                                                           |
+|   Aytac Kayadelen                             18 May 2024 |
+|                                                           |
+|   This file is part of the OpenRGB project                |
+|   SPDX-License-Identifier: GPL-2.0-or-later               |
+\*---------------------------------------------------------*/
+
+#include "RazerDeviceGuard.h"
+
+RazerDeviceGuard::RazerDeviceGuard() : DeviceGuard()
+{
+#ifdef _WIN32
+    mutex_handle = CreateWindowsMutex();
+#endif
+}
+
+void RazerDeviceGuard::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 RazerDeviceGuard::Release()
+{
+#ifdef _WIN32
+    ReleaseMutex(mutex_handle);
+#endif
+}
+
+#ifdef _WIN32
+
+HANDLE RazerDeviceGuard::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\\RazerLinkReadWriteGuardMutex");
+}
+
+#endif