diff options
author | Sven Gothel <[email protected]> | 2015-03-28 01:43:35 +0100 |
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committer | Sven Gothel <[email protected]> | 2015-03-28 01:43:35 +0100 |
commit | 4207f9c279e832e3afcb3f5fc6cd8d84cb4cfe4c (patch) | |
tree | cf3671058d55b47ab6cb6f36f369928606137628 /LibOVRKernel/Src/Util/Util_LongPollThread.h | |
parent | c29cd1a2fbff6282bab956ad61661ac9d48c4e6e (diff) |
Bump OculusVR RIFT SDK to 0.5.0.1vanilla_0.5.0.1
Diffstat (limited to 'LibOVRKernel/Src/Util/Util_LongPollThread.h')
-rw-r--r-- | LibOVRKernel/Src/Util/Util_LongPollThread.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/LibOVRKernel/Src/Util/Util_LongPollThread.h b/LibOVRKernel/Src/Util/Util_LongPollThread.h new file mode 100644 index 0000000..ac89781 --- /dev/null +++ b/LibOVRKernel/Src/Util/Util_LongPollThread.h @@ -0,0 +1,72 @@ +/************************************************************************************ + +Filename : Util_LongPollThread.h +Content : Allows us to do all long polling tasks from a single thread to minimize deadlock risk +Created : June 30, 2013 +Authors : Chris Taylor + +Copyright : Copyright 2014 Oculus VR, LLC All Rights reserved. + +Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License"); +you may not use the Oculus VR Rift SDK except in compliance with the License, +which is provided at the time of installation or download, or which +otherwise accompanies this software in either electronic or hard copy form. + +You may obtain a copy of the License at + +http://www.oculusvr.com/licenses/LICENSE-3.2 + +Unless required by applicable law or agreed to in writing, the Oculus VR SDK +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. + +*************************************************************************************/ + +#ifndef OVR_Util_LongPollThread_h +#define OVR_Util_LongPollThread_h + +#include "Kernel/OVR_Timer.h" +#include "Kernel/OVR_Atomic.h" +#include "Kernel/OVR_Allocator.h" +#include "Kernel/OVR_String.h" +#include "Kernel/OVR_System.h" +#include "Kernel/OVR_Threads.h" +#include "Kernel/OVR_Callbacks.h" + +namespace OVR { namespace Util { + + +//----------------------------------------------------------------------------- +// LongPollThread + +// This thread runs long-polling subsystems that wake up every second or so +// The motivation is to reduce the number of threads that are running to minimize the risk of deadlock +class LongPollThread : public Thread, public SystemSingletonBase<LongPollThread> +{ + OVR_DECLARE_SINGLETON(LongPollThread); + virtual void OnThreadDestroy(); + +public: + typedef Delegate0<void> PollFunc; + static const int WakeupInterval = 1000; // milliseconds + + void AddPollFunc(CallbackListener<PollFunc>* func); + + void Wake(); + +protected: + CallbackEmitter<PollFunc> PollSubject; + + bool Terminated; + Event WakeEvent; + void fireTermination(); + + virtual int Run(); +}; + + +}} // namespace OVR::Util + +#endif // OVR_Util_LongPollThread_h |