Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 138 insertions, 0 deletions

diff --git a/PxShared/src/foundation/include/PsSync.h b/PxShared/src/foundation/include/PsSync.h
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+++ b/PxShared/src/foundation/include/PsSync.h
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+// 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) 2008-2016 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 const 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