Darryl Pogue
12 years ago
9 changed files with 24 additions and 480 deletions
@ -1,60 +0,0 @@
|
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/*==LICENSE==*
|
||||
|
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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|
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This program is free software: you can redistribute it and/or modify |
||||
it under the terms of the GNU General Public License as published by |
||||
the Free Software Foundation, either version 3 of the License, or |
||||
(at your option) any later version. |
||||
|
||||
This program is distributed in the hope that it will be useful, |
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
GNU General Public License for more details. |
||||
|
||||
You should have received a copy of the GNU General Public License |
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
Additional permissions under GNU GPL version 3 section 7 |
||||
|
||||
If you modify this Program, or any covered work, by linking or |
||||
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
||||
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
||||
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
||||
(or a modified version of those libraries), |
||||
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
||||
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
||||
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
||||
licensors of this Program grant you additional |
||||
permission to convey the resulting work. Corresponding Source for a |
||||
non-source form of such a combination shall include the source code for |
||||
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
||||
work. |
||||
|
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
||||
or by snail mail at: |
||||
Cyan Worlds, Inc. |
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14617 N Newport Hwy |
||||
Mead, WA 99021 |
||||
|
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*==LICENSE==*/ |
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/*****************************************************************************
|
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* |
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* $/Plasma20/Sources/Plasma/NucleusLib/pnUtils/Private/Unix/pnUtUxSync.cpp |
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*
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***/ |
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#include "../pnUtSync.h" |
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#ifdef HS_BUILD_FOR_UNIX |
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#else |
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// Dummy function to prevent a linker warning complaining about no public symbols if the
|
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// contents of the file get compiled out via pre-processor
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void UxSyncPreventLNK4221Warning () { |
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} |
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|
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#endif |
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@ -1,316 +0,0 @@
|
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/*==LICENSE==*
|
||||
|
||||
CyanWorlds.com Engine - MMOG client, server and tools |
||||
Copyright (C) 2011 Cyan Worlds, Inc. |
||||
|
||||
This program is free software: you can redistribute it and/or modify |
||||
it under the terms of the GNU General Public License as published by |
||||
the Free Software Foundation, either version 3 of the License, or |
||||
(at your option) any later version. |
||||
|
||||
This program is distributed in the hope that it will be useful, |
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
GNU General Public License for more details. |
||||
|
||||
You should have received a copy of the GNU General Public License |
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
Additional permissions under GNU GPL version 3 section 7 |
||||
|
||||
If you modify this Program, or any covered work, by linking or |
||||
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
||||
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
||||
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
||||
(or a modified version of those libraries), |
||||
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
||||
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
||||
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
||||
licensors of this Program grant you additional |
||||
permission to convey the resulting work. Corresponding Source for a |
||||
non-source form of such a combination shall include the source code for |
||||
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
||||
work. |
||||
|
||||
You can contact Cyan Worlds, Inc. by email legal@cyan.com |
||||
or by snail mail at: |
||||
Cyan Worlds, Inc. |
||||
14617 N Newport Hwy |
||||
Mead, WA 99021 |
||||
|
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*==LICENSE==*/ |
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/*****************************************************************************
|
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* |
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* $/Plasma20/Sources/Plasma/NucleusLib/pnUtils/Private/Win32/pnUtW32Sync.cpp |
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*
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***/ |
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#include "../pnUtils.h" |
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|
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|
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/****************************************************************************
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* |
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* Spin lock functions |
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* |
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***/ |
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|
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//===========================================================================
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static inline void EnterSpinLock (long * spinLock) { |
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for (;;) |
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if (*spinLock < 0) |
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if (!InterlockedIncrement(spinLock)) |
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return; |
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else |
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InterlockedDecrement(spinLock); |
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} |
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|
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//===========================================================================
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static inline void LeaveSpinLock (long * spinLock) { |
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InterlockedDecrement(spinLock); |
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} |
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|
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/****************************************************************************
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* |
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* CLockWaitSet / CLockWaitSetAllocator |
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* |
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***/ |
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class CLockWaitSet { |
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private: |
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unsigned m_refCount; |
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HANDLE m_waitEvent; |
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public: |
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LINK(CLockWaitSet) link; |
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inline CLockWaitSet (); |
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inline ~CLockWaitSet (); |
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inline void DecRef (); |
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inline void IncRef (); |
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inline void Signal (); |
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inline void Wait (); |
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}; |
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class CLockWaitSetAllocator { |
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private: |
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CLockWaitSet m_array[256]; |
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CLockWaitSetAllocator * m_prev; |
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LISTDECL(CLockWaitSet, link) m_spareList; |
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LISTDECL(CLockWaitSet, link) m_usedList; |
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static CLockWaitSetAllocator * s_allocator; |
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static long s_spinLock; |
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public: |
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CLockWaitSetAllocator (CLockWaitSetAllocator * prev); |
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~CLockWaitSetAllocator (); |
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static CLockWaitSet * Alloc (); |
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static void Free (CLockWaitSet * waitSet); |
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static void __cdecl Shutdown (); |
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}; |
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CLockWaitSetAllocator * CLockWaitSetAllocator::s_allocator; |
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long CLockWaitSetAllocator::s_spinLock = -1; |
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//===========================================================================
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CLockWaitSet::CLockWaitSet () { |
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m_refCount = 0; |
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m_waitEvent = CreateEvent(nil, true, false, nil); |
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} |
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//===========================================================================
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CLockWaitSet::~CLockWaitSet () { |
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ASSERT(!m_refCount); |
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CloseHandle(m_waitEvent); |
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m_waitEvent = 0; |
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} |
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//===========================================================================
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void CLockWaitSet::DecRef () { |
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ASSERT(m_refCount); |
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if (!--m_refCount) { |
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ResetEvent(m_waitEvent); |
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CLockWaitSetAllocator::Free(this); |
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} |
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} |
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//===========================================================================
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void CLockWaitSet::IncRef () { |
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++m_refCount; |
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} |
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//===========================================================================
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void CLockWaitSet::Signal () { |
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ASSERT(m_refCount); |
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SetEvent(m_waitEvent); |
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} |
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//===========================================================================
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void CLockWaitSet::Wait () { |
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ASSERT(m_refCount); |
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WaitForSingleObject(m_waitEvent, INFINITE); |
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} |
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//===========================================================================
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CLockWaitSetAllocator::CLockWaitSetAllocator (CLockWaitSetAllocator * prev) { |
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m_prev = prev; |
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if (prev) { |
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m_spareList.Link(&prev->m_spareList); |
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m_usedList.Link(&prev->m_usedList); |
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} |
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for (unsigned index = arrsize(m_array); index--; ) |
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m_spareList.Link(&m_array[index]); |
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} |
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|
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//===========================================================================
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CLockWaitSetAllocator::~CLockWaitSetAllocator () { |
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delete m_prev; |
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} |
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//===========================================================================
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CLockWaitSet * CLockWaitSetAllocator::Alloc () { |
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EnterSpinLock(&s_spinLock); |
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// If there is no active allocator or if the active allocator is full,
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// create a new one
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if (!s_allocator || !s_allocator->m_spareList.Head()) { |
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if (!s_allocator) |
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atexit(Shutdown); |
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s_allocator = new CLockWaitSetAllocator(s_allocator); |
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} |
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// Get an available wait set from the active allocator
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CLockWaitSet * waitSet = s_allocator->m_spareList.Head(); |
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s_allocator->m_usedList.Link(waitSet); |
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LeaveSpinLock(&s_spinLock); |
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return waitSet; |
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} |
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//===========================================================================
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void CLockWaitSetAllocator::Free (CLockWaitSet * waitSet) { |
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EnterSpinLock(&s_spinLock); |
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// Return this wait set to the active allocator's spare list
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ASSERT(s_allocator); |
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s_allocator->m_spareList.Link(waitSet); |
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LeaveSpinLock(&s_spinLock); |
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} |
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//===========================================================================
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void CLockWaitSetAllocator::Shutdown () { |
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EnterSpinLock(&s_spinLock); |
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// Free all allocators
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while (s_allocator) { |
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CLockWaitSetAllocator * prev = s_allocator->m_prev; |
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delete s_allocator; |
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s_allocator = prev; |
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} |
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LeaveSpinLock(&s_spinLock); |
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} |
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|
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/****************************************************************************
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* |
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* CLock |
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* |
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***/ |
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//===========================================================================
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CLock::CLock () { |
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m_waitSet = nil; |
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m_spinLock = -1; |
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m_readerCount = 0; |
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m_writerCount = 0; |
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} |
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|
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//===========================================================================
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CLock::~CLock () { |
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ASSERT(!m_waitSet); |
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ASSERT(m_spinLock == -1); |
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ASSERT(!m_readerCount); |
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ASSERT(!m_writerCount); |
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} |
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//===========================================================================
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void CLock::EnterRead () { |
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EnterSpinLock(&m_spinLock); |
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for (;;) { |
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// If there are no writers, claim this lock for reading
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if (!m_writerCount) { |
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++m_readerCount; |
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break; |
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} |
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// Otherwise, wait until the existing writer releases the lock
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CLockWaitSet * waitSet = m_waitSet = (m_waitSet ? m_waitSet : CLockWaitSetAllocator::Alloc()); |
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waitSet->IncRef(); |
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LeaveSpinLock(&m_spinLock); |
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waitSet->Wait(); |
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EnterSpinLock(&m_spinLock); |
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waitSet->DecRef(); |
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} |
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LeaveSpinLock(&m_spinLock); |
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} |
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|
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//===========================================================================
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void CLock::EnterWrite () { |
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EnterSpinLock(&m_spinLock); |
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for (;;) { |
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// If there are no readers or writers, claim this lock for writing
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if (!m_readerCount && !m_writerCount) { |
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++m_writerCount; |
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break; |
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} |
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|
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// Otherwise, wait until the existing writer or all existing readers
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// release the lock
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CLockWaitSet * waitSet = m_waitSet = (m_waitSet ? m_waitSet : CLockWaitSetAllocator::Alloc()); |
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waitSet->IncRef(); |
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LeaveSpinLock(&m_spinLock); |
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waitSet->Wait(); |
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EnterSpinLock(&m_spinLock); |
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waitSet->DecRef(); |
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|
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} |
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LeaveSpinLock(&m_spinLock); |
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} |
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|
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//===========================================================================
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void CLock::LeaveRead () { |
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EnterSpinLock(&m_spinLock); |
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|
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// If this is the last reader, signal waiting threads to try claiming
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// the lock again
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ASSERT(m_readerCount); |
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if (!--m_readerCount) |
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if (m_waitSet) { |
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m_waitSet->Signal(); |
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m_waitSet = nil; |
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} |
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|
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LeaveSpinLock(&m_spinLock); |
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} |
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|
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//===========================================================================
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void CLock::LeaveWrite () { |
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EnterSpinLock(&m_spinLock); |
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// This is the last writer. Signal waiting threads to try claiming the
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// lock again.
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ASSERT(m_writerCount == 1); |
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--m_writerCount; |
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if (m_waitSet) { |
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m_waitSet->Signal(); |
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m_waitSet = nil; |
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} |
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|
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LeaveSpinLock(&m_spinLock); |
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} |
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@ -1,78 +0,0 @@
|
||||
/*==LICENSE==*
|
||||
|
||||
CyanWorlds.com Engine - MMOG client, server and tools |
||||
Copyright (C) 2011 Cyan Worlds, Inc. |
||||
|
||||
This program is free software: you can redistribute it and/or modify |
||||
it under the terms of the GNU General Public License as published by |
||||
the Free Software Foundation, either version 3 of the License, or |
||||
(at your option) any later version. |
||||
|
||||
This program is distributed in the hope that it will be useful, |
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
GNU General Public License for more details. |
||||
|
||||
You should have received a copy of the GNU General Public License |
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
Additional permissions under GNU GPL version 3 section 7 |
||||
|
||||
If you modify this Program, or any covered work, by linking or |
||||
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
||||
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
||||
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
||||
(or a modified version of those libraries), |
||||
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
||||
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
||||
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
||||
licensors of this Program grant you additional |
||||
permission to convey the resulting work. Corresponding Source for a |
||||
non-source form of such a combination shall include the source code for |
||||
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
||||
work. |
||||
|
||||
You can contact Cyan Worlds, Inc. by email legal@cyan.com |
||||
or by snail mail at: |
||||
Cyan Worlds, Inc. |
||||
14617 N Newport Hwy |
||||
Mead, WA 99021 |
||||
|
||||
*==LICENSE==*/ |
||||
/*****************************************************************************
|
||||
* |
||||
* $/Plasma20/Sources/Plasma/NucleusLib/pnUtils/Private/pnUtSync.h |
||||
*
|
||||
***/ |
||||
|
||||
#ifndef PLASMA20_SOURCES_PLASMA_NUCLEUSLIB_PNUTILS_PRIVATE_PNUTSYNC_H |
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#define PLASMA20_SOURCES_PLASMA_NUCLEUSLIB_PNUTILS_PRIVATE_PNUTSYNC_H |
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|
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#include "Pch.h" |
||||
|
||||
/****************************************************************************
|
||||
* |
||||
* CLock |
||||
* (reader/writer lock) |
||||
* |
||||
***/ |
||||
|
||||
class CLockWaitSet; |
||||
|
||||
class CLock { |
||||
private: |
||||
CLockWaitSet * m_waitSet; |
||||
long m_spinLock; |
||||
unsigned m_readerCount; |
||||
unsigned m_writerCount; |
||||
|
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public: |
||||
CLock (); |
||||
~CLock (); |
||||
void EnterRead (); |
||||
void EnterWrite (); |
||||
void LeaveRead (); |
||||
void LeaveWrite (); |
||||
}; |
||||
|
||||
#endif |
||||
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