diff options
Diffstat (limited to 'libs/usvfs/src/usvfs_dll/hookcallcontext.cpp')
| -rw-r--r-- | libs/usvfs/src/usvfs_dll/hookcallcontext.cpp | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/libs/usvfs/src/usvfs_dll/hookcallcontext.cpp b/libs/usvfs/src/usvfs_dll/hookcallcontext.cpp deleted file mode 100644 index 32510c9..0000000 --- a/libs/usvfs/src/usvfs_dll/hookcallcontext.cpp +++ /dev/null @@ -1,112 +0,0 @@ -/* -Userspace Virtual Filesystem - -Copyright (C) 2015 Sebastian Herbord. All rights reserved. - -This file is part of usvfs. - -usvfs 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. - -usvfs 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 usvfs. If not, see <http://www.gnu.org/licenses/>. -*/ -#include "hookcallcontext.h" -#include "hookcontext.h" -#include <logging.h> - -namespace usvfs -{ - -class HookStack -{ -public: - static HookStack& instance() - { - PreserveGetLastError boostChangesGetLastError; - if (s_Instance.get() == nullptr) { - s_Instance.reset(new HookStack()); - } - return *s_Instance.get(); - } - - bool setGroup(MutExHookGroup group) - { - if (m_ActiveGroups.test(static_cast<size_t>(group)) || - m_ActiveGroups.test(static_cast<size_t>(MutExHookGroup::ALL_GROUPS))) { - return false; - } else { - m_ActiveGroups.set(static_cast<size_t>(group), true); - return true; - } - } - - void unsetGroup(MutExHookGroup group) - { - m_ActiveGroups.set(static_cast<size_t>(group), false); - } - -private: - HookStack() {} - -private: - static boost::thread_specific_ptr<HookStack> s_Instance; - std::bitset<static_cast<size_t>(MutExHookGroup::LAST)> m_ActiveGroups; -}; - -boost::thread_specific_ptr<HookStack> HookStack::s_Instance; - -HookCallContext::HookCallContext() : m_Active(true), m_Group(MutExHookGroup::NO_GROUP) -{ - updateLastError(); -} - -HookCallContext::HookCallContext(MutExHookGroup group) - : m_Active(HookStack::instance().setGroup(group)), m_Group(group) -{ - updateLastError(); -} - -HookCallContext::~HookCallContext() -{ - if (m_Active && (m_Group != MutExHookGroup::NO_GROUP)) { - HookStack::instance().unsetGroup(m_Group); - } - SetLastError(m_LastError); -} - -void HookCallContext::restoreLastError() -{ - SetLastError(m_LastError); -} - -void HookCallContext::updateLastError(DWORD lastError) -{ - m_LastError = lastError; -} - -bool HookCallContext::active() const -{ - return m_Active; -} - -FunctionGroupLock::FunctionGroupLock(MutExHookGroup group) : m_Group(group) -{ - m_Active = HookStack::instance().setGroup(m_Group); -} - -FunctionGroupLock::~FunctionGroupLock() -{ - if (m_Active) { - HookStack::instance().unsetGroup(m_Group); - } -} - -} // namespace usvfs |
