diff options
Diffstat (limited to 'PxShared/src/foundation/include/PsSync.h')
| -rw-r--r-- | PxShared/src/foundation/include/PsSync.h | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/PxShared/src/foundation/include/PsSync.h b/PxShared/src/foundation/include/PsSync.h deleted file mode 100644 index 1fd72f5..0000000 --- a/PxShared/src/foundation/include/PsSync.h +++ /dev/null @@ -1,138 +0,0 @@ -// This code contains NVIDIA Confidential Information and is disclosed to you -// under a form of NVIDIA software license agreement provided separately to you. -// -// Notice -// NVIDIA Corporation and its licensors retain all intellectual property and -// proprietary rights in and to this software and related documentation and -// any modifications thereto. Any use, reproduction, disclosure, or -// distribution of this software and related documentation without an express -// license agreement from NVIDIA Corporation is strictly prohibited. -// -// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES -// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO -// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT, -// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE. -// -// Information and code furnished is believed to be accurate and reliable. -// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such -// information or for any infringement of patents or other rights of third parties that may -// result from its use. No license is granted by implication or otherwise under any patent -// or patent rights of NVIDIA Corporation. Details are subject to change without notice. -// This code supersedes and replaces all information previously supplied. -// NVIDIA Corporation products are not authorized for use as critical -// components in life support devices or systems without express written approval of -// NVIDIA Corporation. -// -// Copyright (c) 2008-2017 NVIDIA Corporation. All rights reserved. -// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. -// Copyright (c) 2001-2004 NovodeX AG. All rights reserved. - -#ifndef PSFOUNDATION_PSSYNC_H -#define PSFOUNDATION_PSSYNC_H - -#include "PsAllocator.h" - -namespace physx -{ -namespace shdfnd -{ -/*! -Implementation notes: -* - Calling set() on an already signaled Sync does not change its state. -* - Calling reset() on an already reset Sync does not change its state. -* - Calling set() on a reset Sync wakes all waiting threads (potential for thread contention). -* - Calling wait() on an already signaled Sync will return true immediately. -* - NOTE: be careful when pulsing an event with set() followed by reset(), because a -* thread that is not waiting on the event will miss the signal. -*/ -class PX_FOUNDATION_API SyncImpl -{ - public: - static const uint32_t waitForever = 0xffffffff; - - SyncImpl(); - - ~SyncImpl(); - - /** Wait on the object for at most the given number of ms. Returns - * true if the object is signaled. Sync::waitForever will block forever - * or until the object is signaled. - */ - - bool wait(uint32_t milliseconds = waitForever); - - /** Signal the synchronization object, waking all threads waiting on it */ - - void set(); - - /** Reset the synchronization object */ - - void reset(); - - /** - Size of this class. - */ - static uint32_t getSize(); -}; - -/*! -Implementation notes: -* - Calling set() on an already signaled Sync does not change its state. -* - Calling reset() on an already reset Sync does not change its state. -* - Calling set() on a reset Sync wakes all waiting threads (potential for thread contention). -* - Calling wait() on an already signaled Sync will return true immediately. -* - NOTE: be careful when pulsing an event with set() followed by reset(), because a -* thread that is not waiting on the event will miss the signal. -*/ -template <typename Alloc = ReflectionAllocator<SyncImpl> > -class SyncT : protected Alloc -{ - public: - static const uint32_t waitForever = SyncImpl::waitForever; - - SyncT(const Alloc& alloc = Alloc()) : Alloc(alloc) - { - mImpl = reinterpret_cast<SyncImpl*>(Alloc::allocate(SyncImpl::getSize(), __FILE__, __LINE__)); - PX_PLACEMENT_NEW(mImpl, SyncImpl)(); - } - - ~SyncT() - { - mImpl->~SyncImpl(); - Alloc::deallocate(mImpl); - } - - /** Wait on the object for at most the given number of ms. Returns - * true if the object is signaled. Sync::waitForever will block forever - * or until the object is signaled. - */ - - bool wait(uint32_t milliseconds = SyncImpl::waitForever) - { - return mImpl->wait(milliseconds); - } - - /** Signal the synchronization object, waking all threads waiting on it */ - - void set() - { - mImpl->set(); - } - - /** Reset the synchronization object */ - - void reset() - { - mImpl->reset(); - } - - private: - class SyncImpl* mImpl; -}; - -typedef SyncT<> Sync; - -} // namespace shdfnd -} // namespace physx - -#endif // #ifndef PSFOUNDATION_PSSYNC_H |