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191 lines
5.3 KiB
191 lines
5.3 KiB
/*==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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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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Additional permissions under GNU GPL version 3 section 7 |
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If you modify this Program, or any covered work, by linking or |
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
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(or a modified version of those libraries), |
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
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licensors of this Program grant you additional |
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permission to convey the resulting work. Corresponding Source for a |
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non-source form of such a combination shall include the source code for |
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
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work. |
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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#include "HeadSpin.h" |
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#pragma hdrstop |
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#include "hsExceptions.h" |
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#include "hsRefCnt.h" |
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#define REFCOUNT_DBG_NONE 0 |
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#define REFCOUNT_DBG_REFS 1 |
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#define REFCOUNT_DBG_LEAKS 2 |
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#define REFCOUNT_DBG_ALL 3 |
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#define REFCOUNT_DEBUGGING REFCOUNT_DBG_NONE |
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#if (REFCOUNT_DEBUGGING == REFCOUNT_DBG_LEAKS) || (REFCOUNT_DEBUGGING == REFCOUNT_DBG_ALL) |
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#include <unordered_set> |
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#include <mutex> |
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#include "plFormat.h" |
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// hsDebugMessage can get overridden to dump to a file :( |
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#ifdef _MSC_VER |
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# include "hsWindows.h" |
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# define _LeakDebug(message) OutputDebugString(message) |
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#else |
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# define _LeakDebug(message) fputs(message, stderr) |
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#endif |
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struct _RefCountLeakCheck |
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{ |
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std::unordered_set<_hsRefCnt_Base *> m_refs; |
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unsigned m_added, m_removed; |
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std::mutex m_mutex; |
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~_RefCountLeakCheck() |
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{ |
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std::lock_guard<std::mutex> lock(m_mutex); |
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_LeakDebug(plFormat("Refs tracked: {} created, {} destroyed\n", |
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m_added, m_removed).c_str()); |
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if (m_refs.empty()) |
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return; |
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_LeakDebug(plFormat(" {} objects leaked...\n", m_refs.size()).c_str()); |
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for (_hsRefCnt_Base *ref : m_refs) { |
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_LeakDebug(plFormat(" 0x{_08x} {}: {} refs remain\n", |
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(uintptr_t)ref, typeid(*ref).name(), ref->RefCnt()).c_str()); |
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} |
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} |
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static _RefCountLeakCheck *_instance() |
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{ |
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static _RefCountLeakCheck s_instance; |
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return &s_instance; |
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} |
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static void add(_hsRefCnt_Base *ref) |
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{ |
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_RefCountLeakCheck *this_p = _instance(); |
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std::lock_guard<std::mutex> lock(this_p->m_mutex); |
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++this_p->m_added; |
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this_p->m_refs.insert(ref); |
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} |
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static void del(_hsRefCnt_Base *ref) |
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{ |
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_RefCountLeakCheck *this_p = _instance(); |
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std::lock_guard<std::mutex> lock(this_p->m_mutex); |
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++this_p->m_removed; |
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this_p->m_refs.erase(ref); |
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} |
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}; |
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#endif |
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_hsRefCnt_Base::_hsRefCnt_Base(int) |
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{ |
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#if (REFCOUNT_DEBUGGING == REFCOUNT_DBG_LEAKS) || (REFCOUNT_DEBUGGING == REFCOUNT_DBG_ALL) |
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_RefCountLeakCheck::add(this); |
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#endif |
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} |
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_hsRefCnt_Base::~_hsRefCnt_Base() |
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{ |
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#if (REFCOUNT_DEBUGGING == REFCOUNT_DBG_LEAKS) || (REFCOUNT_DEBUGGING == REFCOUNT_DBG_ALL) |
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_RefCountLeakCheck::del(this); |
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#endif |
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} |
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hsRefCnt::~hsRefCnt() |
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{ |
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#ifdef HS_DEBUGGING |
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hsThrowIfFalse(fRefCnt == 1); |
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#endif |
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} |
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void hsRefCnt::UnRef() |
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{ |
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#ifdef HS_DEBUGGING |
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hsThrowIfFalse(fRefCnt >= 1); |
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#endif |
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if (fRefCnt == 1) // don't decrement if we call delete |
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delete this; |
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else |
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--fRefCnt; |
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} |
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hsAtomicRefCnt::~hsAtomicRefCnt() |
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{ |
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#ifdef HS_DEBUGGING |
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hsThrowIfFalse(fRefCnt == 1); |
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#endif |
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} |
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void hsAtomicRefCnt::UnRef(const char* tag) |
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{ |
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#ifdef HS_DEBUGGING |
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hsThrowIfFalse(fRefCnt >= 1); |
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#endif |
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#if (REFCOUNT_DEBUGGING == REFCOUNT_DBG_REFS) || (REFCOUNT_DEBUGGING == REFCOUNT_DBG_ALL) |
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if (tag) |
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DEBUG_MSG("Dec %p %s: %u", this, tag, fRefCnt - 1); |
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else |
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DEBUG_MSG("Dec %p: %u", this, fRefCnt - 1); |
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#endif |
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if (fRefCnt == 1) // don't decrement if we call delete |
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delete this; |
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else |
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--fRefCnt; |
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} |
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void hsAtomicRefCnt::Ref(const char* tag) |
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{ |
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#if (REFCOUNT_DEBUGGING == REFCOUNT_DBG_REFS) || (REFCOUNT_DEBUGGING == REFCOUNT_DBG_ALL) |
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if (tag) |
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DEBUG_MSG("Inc %p %s: %u", this, tag, fRefCnt + 1); |
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else |
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DEBUG_MSG("Inc %p: %u", this, fRefCnt + 1); |
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#endif |
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++fRefCnt; |
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} |
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void hsAtomicRefCnt::TransferRef(const char* oldTag, const char* newTag) |
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{ |
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#if (REFCOUNT_DEBUGGING == REFCOUNT_DBG_REFS) || (REFCOUNT_DEBUGGING == REFCOUNT_DBG_ALL) |
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DEBUG_MSG("Inc %p %s: (xfer)", this, newTag); |
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DEBUG_MSG("Dec %p %s: (xfer)", this, oldTag); |
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#endif |
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}
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