本文整理汇总了C++中weak_ptr类的典型用法代码示例。如果您正苦于以下问题：C++ weak_ptr类的具体用法？C++ weak_ptr怎么用？C++ weak_ptr使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了weak_ptr类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: GetGlobalDisplay
static CDisplayPtr GetGlobalDisplay()
{
static weak_ptr<CDisplay> display_global;
CDisplayPtr display(display_global.lock());
if(display)
{
if(display->lost())
{
CLog::Log(LOGERROR, "VAAPI - vaapi display is in lost state");
display.reset();
}
return display;
}
VADisplay disp;
disp = vaGetDisplayGLX(g_Windowing.GetDisplay());
int major_version, minor_version;
VAStatus res = vaInitialize(disp, &major_version, &minor_version);
CLog::Log(LOGDEBUG, "VAAPI - initialize version %d.%d", major_version, minor_version);
if(res != VA_STATUS_SUCCESS)
{
CLog::Log(LOGERROR, "VAAPI - unable to initialize display %d - %s", res, vaErrorStr(res));
return display;
}
const char* vendor = vaQueryVendorString(disp);
CLog::Log(LOGDEBUG, "VAAPI - vendor: %s", vendor);
bool deinterlace = true;
int major, minor, micro;
bool support_4k = true;
if(sscanf(vendor, "Intel i965 driver - %d.%d.%d", &major, &minor, µ) == 3)
{
/* older version will crash and burn */
if(compare_version(major, minor, micro, 1, 0, 17) < 0)
{
CLog::Log(LOGDEBUG, "VAAPI - deinterlace not support on this intel driver version");
deinterlace = false;
}
// do the same check for 4K decoding: version < 1.2.0 (stable) and 1.0.21 (staging)
// cannot decode 4K and will crash the GPU
if((compare_version(major, minor, micro, 1, 2, 0) < 0) && (compare_version(major, minor, micro, 1, 0, 21) < 0))
{
support_4k = false;
}
}
display = CDisplayPtr(new CDisplay(disp, deinterlace));
display->support_4k(support_4k);
display_global = display;
return display;
}
开发者ID:Albinoman887，项目名称:xbmc，代码行数:56，代码来源:VAAPI.cpp
示例2: SquareSetCheck
//check if it's the right place to set square if so ,set it
void Tetris::SquareSetCheck(const TETRIS_TYPE t_type,weak_ptr<Square> t_wsquare)
{
if(!t_wsquare.expired()){
shared_ptr<Square> t_ssquare = t_wsquare.lock();
if(t_ssquare->ConflictCheck(t_type) == true)
{
t_ssquare->SetSquare(t_type);
}
}else{
LogWriter::me->WriteLog("square expired in SquareSetCheck");
}
}
开发者ID:qqqqzift，项目名称:Tetris_Clover，代码行数:13，代码来源:tetris.cpp
示例3: alphabeticalG3DLast
static bool __cdecl alphabeticalG3DLast(weak_ptr<Texture> const& elem1, weak_ptr<Texture> const& elem2) {
const shared_ptr<Texture>& elem1Locked = elem1.lock();
const shared_ptr<Texture>& elem2Locked = elem2.lock();
if (isNull(elem1Locked)) {
return true;
} else if (isNull(elem2Locked)) {
return false;
} else {
return alphabeticalIgnoringCaseG3DLastLessThan(elem1Locked->name(), elem2Locked->name());
}
}
开发者ID:jackpoz，项目名称:G3D-backup，代码行数:12，代码来源:TextureBrowserWindow.cpp
示例4: alphabeticalTextureLT
static bool __cdecl alphabeticalTextureLT(weak_ptr<Texture> const& elem1, weak_ptr<Texture> const& elem2) {
const shared_ptr<Texture>& elem1Locked = elem1.lock();
const shared_ptr<Texture>& elem2Locked = elem2.lock();
if (isNull(elem1Locked)) {
return true;
} else if (isNull(elem2Locked)) {
return false;
} else {
return elem1Locked->name() < elem2Locked->name();
}
}
开发者ID:jackpoz，项目名称:G3D-backup，代码行数:12，代码来源:TextureBrowserWindow.cpp
示例5: updatePhysics
void VRPhysicsManager::updatePhysics( weak_ptr<VRThread> wthread) {
if (dynamicsWorld == 0) return;
long long dt,t0,t1,t2,t3;
auto thread = wthread.lock();
if (thread == 0) return;
t0 = thread->t_last;
t1 = getTime();
thread->t_last = t1;
dt = t1-t0;
{
MLock lock(mtx);
prepareObjects();
for (auto f : updateFktsPre) (*f)(0);
dynamicsWorld->stepSimulation(1e-6*dt, 30);
for (auto f : updateFktsPost) (*f)(0);
}
t2 = getTime();
dt = t2-t1;
//sleep up to 500 fps
if (dt < PHYSICS_THREAD_TIMESTEP_MS * 1000) this_thread::sleep_for(chrono::microseconds(PHYSICS_THREAD_TIMESTEP_MS * 1000 -dt));
t3 = getTime();
MLock lock(mtx);
fps = 1e6/(t3-t1);
}
开发者ID:flair2005，项目名称:polyvr，代码行数:29，代码来源:VRPhysicsManager.cpp
示例6: MakeStrongPtr
shared_ptr<Type> MakeStrongPtr(weak_ptr<Type> pWeakPtr)
{
if (!pWeakPtr.expired())
return shared_ptr<Type>(pWeakPtr);
else
return shared_ptr<Type>();
}
开发者ID:Ostkaka，项目名称:ANT，代码行数:7，代码来源:templates.hpp
示例7: Init
void PropertyList::Init(weak_ptr<Leaf> leaf, wxListCtrl* ctrList)
{
mLeaf.reset();
mCtrList = 0;
if (
(leaf.expired()) ||
(ctrList == 0)
)
{
return;
}
mLeaf = leaf;
mCtrList = ctrList;
shared_ptr<Property> property = wxGetApp().GetProperty();
if (property.get() != 0)
{
property->GetClassList(mLeaf.lock(), mClassList);
}
mCtrList->ClearAll();
mCtrList->InsertColumn(0, _T("name"), wxLIST_FORMAT_LEFT, 120);
mCtrList->InsertColumn(1, _T("value"), wxLIST_FORMAT_LEFT, 600);
}
开发者ID:BerlinUnited，项目名称:SimSpark-SPL，代码行数:26，代码来源:propertylist.cpp
示例8: DelTermSession
uint32_t BusinessPool::DelTermSession(weak_ptr<TermSession> ts)
{
shared_ptr<TermSession> sp_ts(ts.lock());
if (!sp_ts) {
logger_.Warn("[删除终端会话]******对应的终端会话不存在******");
return 0;
}
CASession *cs = sp_ts->ca_session_;
if (cs == NULL) {
logger_.Warn("[删除终端会话]******对应的CA会话不存在******");
return 0;
}
cs->Remove(sp_ts->Id());
logger_.Warn("[删除终端会话][CAId:" SFMT64U "][TSId:0x" SFMT64X "]", cs->Id(), sp_ts->Id());
CASessionMgr *cs_mgr = pool_relation_ca_session_mgr_[getIdByTermSessionId(sp_ts->Id())];
cs_mgr->DetachTermSessionInfo(sp_ts->Id());
uint32_t ret = cs->termCnt();
//if no terminal session in ca session,
// remove ca session.
if (cs->termCnt() == 0) {
logger_.Warn("[删除终端会话][CAId:" SFMT64U "][TSId:0x" SFMT64X "]，CA会话中无终端，删除CA会话", cs->Id(), sp_ts->Id());
CASessionMgr *cs_mgr = pool_relation_ca_session_mgr_[getIdByTermSessionId(sp_ts->Id())];
cs_mgr->Detach(cs->Id());
cs_mgr->Destory(cs);
}
return ret;
}
开发者ID:yangxingya，项目名称:gehua，代码行数:34，代码来源:businesspool.cpp
示例9: SquareCtrl
//read input key to move square
void Tetris::SquareCtrl(const TETRIS_TYPE t_type,weak_ptr<Square> t_wsquare)
{
if(!t_wsquare.expired()){
shared_ptr<Square> t_ssquare = t_wsquare.lock();
KeyboardUpdate();
//down button is pressed
if(((KeyboardGet(KEY_INPUT_DOWN) > 0)&&(t_type == TETRIS_UP))||
((KeyboardGet(KEY_INPUT_UP) > 0)&&(t_type == TETRIS_DOWN))||
((KeyboardGet(KEY_INPUT_RIGHT) > 0)&&(t_type == TETRIS_RIGHT))||
((KeyboardGet(KEY_INPUT_LEFT) > 0)&&(t_type == TETRIS_LEFT))
){
t_ssquare->Move(kGODOWN,t_type);
}
//left button is pressed
else if(((KeyboardGet(KEY_INPUT_LEFT) > 0)&&(t_type == TETRIS_UP))||
((KeyboardGet(KEY_INPUT_RIGHT) > 0)&&(t_type == TETRIS_DOWN))||
((KeyboardGet(KEY_INPUT_DOWN) > 0)&&(t_type == TETRIS_LEFT))||
((KeyboardGet(KEY_INPUT_UP) > 0)&&(t_type == TETRIS_RIGHT))
){
t_ssquare->Move(kGOLEFT,t_type);
}
//right button is pressed
else if(((KeyboardGet(KEY_INPUT_RIGHT) > 0)&&(t_type == TETRIS_UP))||
((KeyboardGet(KEY_INPUT_LEFT) > 0)&&(t_type == TETRIS_DOWN))||
((KeyboardGet(KEY_INPUT_UP) > 0)&&(t_type == TETRIS_LEFT))||
((KeyboardGet(KEY_INPUT_DOWN) > 0)&&(t_type == TETRIS_RIGHT))
){
t_ssquare->Move(kGORIGHT,t_type);
}
else if(((KeyboardGet(KEY_INPUT_UP) > 0)&&(t_type == TETRIS_UP))||
((KeyboardGet(KEY_INPUT_DOWN) > 0)&&(t_type == TETRIS_DOWN))||
((KeyboardGet(KEY_INPUT_RIGHT) > 0)&&(t_type == TETRIS_LEFT))||
((KeyboardGet(KEY_INPUT_LEFT) > 0)&&(t_type == TETRIS_RIGHT))
){
t_ssquare->Turn(t_type);
}else if(KeyboardGet(KEY_INPUT_SPACE ) > 0){
CtrlBoardChangine(t_type);
}
else if (KeyboardGet(KEY_INPUT_Z) == 1){
SpeedUp();
}
else if (KeyboardGet(KEY_INPUT_X) == 1){
SpeedDown();
}
}
}
开发者ID:qqqqzift，项目名称:Tetris_Clover，代码行数:48，代码来源:tetris.cpp
示例10: load
void load( Archive& archive, int mode, const char* name, weak_ptr<Type>& object )
{
SWEET_ASSERT( mode == MODE_REFERENCE );
SWEET_ASSERT( object.lock() == ptr<Type>() );
ObjectGuard<Archive> guard( archive, name, 0, MODE_REFERENCE );
archive.reference( archive.get_address(), reinterpret_cast<void**>(&object), &resolver<weak_ptr<Type> >::resolve );
}
开发者ID:cwbaker，项目名称:sweet_persist，代码行数:8，代码来源:ptr.hpp
示例11: Add
void TimeOutTimer::Add(weak_ptr<TermSession> ts)
{
shared_ptr<TermSession> sp_ts(ts.lock());
if (sp_ts) {
MutexLock lock(mutex_);
termsession_list_[sp_ts->Id()] = sp_ts;
}
}
开发者ID:yangxingya，项目名称:gehua，代码行数:8，代码来源:timeouttimer.cpp
示例12: Reflect
void DirectusMaterial::Reflect(weak_ptr<GameObject> gameobject)
{
m_inspectedMaterial = weak_ptr<Material>();
// Catch the evil case
if (gameobject.expired())
{
this->hide();
return;
}
MeshRenderer* meshRenderer = gameobject.lock()->GetComponent<MeshRenderer>().lock().get();
if (!meshRenderer)
{
this->hide();
return;
}
m_inspectedMaterial = meshRenderer->GetMaterial();
if (m_inspectedMaterial.expired())
{
this->hide();
return;
}
// Do the actual reflection
ReflectName();
ReflectShader();
ReflectAlbedo();
ReflectRoughness();
ReflectMetallic();
ReflectNormal();
ReflectHeight();
ReflectOcclusion();
ReflectEmission();
ReflectMask();
ReflectTiling();
ReflectOffset();
SetPropertiesVisible(m_inspectedMaterial.lock()->IsEditable() ? true : false);
// Make this widget visible
this->show();
}
开发者ID:PanosK92，项目名称:Directus3D，代码行数:46，代码来源:DirectusMaterial.cpp
示例13: useResource
void useResource(weak_ptr<Simple>& weakSimple)
{
auto resource = weakSimple.lock();
if (resource) {
cout << "Resource still alive." << endl;
} else {
cout << "Resource has been freed!" << endl;
}
}
开发者ID:sbcalim，项目名称:professional-cpp-4th-ed，代码行数:9，代码来源:weak_ptr.cpp
示例14: decrease
static void decrease(weak_ptr<Battalion>& battalion, Soldier *soldier)
{
shared_ptr<Battalion> sp = battalion.lock();
if (sp)
{
cout << soldier->getName() << "已经壮烈牺牲了！" << endl;
sp->reduce();
}
}
开发者ID:chenshuchao，项目名称:practice，代码行数:9，代码来源:weak_callback.cpp
示例15: operator
/**
* Extracts the next timestamp from a Timer.
*
* Note: Caller must hold l_Mutex.
*
* @param wtimer Weak pointer to the timer.
* @returns The next timestamp
*/
double operator()(const weak_ptr<Timer>& wtimer)
{
Timer::Ptr timer = wtimer.lock();
if (!timer)
return 0;
return timer->m_Next;
}
开发者ID:CSRedRat，项目名称:icinga2，代码行数:17，代码来源:timer.cpp
示例16:
void
AccessStrategy::afterRtoTimeout(weak_ptr<pit::Entry> pitWeak, weak_ptr<fib::Entry> fibWeak,
FaceId inFace, FaceId firstOutFace)
{
shared_ptr<pit::Entry> pitEntry = pitWeak.lock();
BOOST_ASSERT(pitEntry != nullptr);
// pitEntry can't become nullptr, because RTO timer should be cancelled upon pitEntry destruction
shared_ptr<fib::Entry> fibEntry = fibWeak.lock();
if (fibEntry == nullptr) {
NFD_LOG_DEBUG(pitEntry->getInterest() << " timeoutFrom " << firstOutFace << " fib-gone");
return;
}
NFD_LOG_DEBUG(pitEntry->getInterest() << " timeoutFrom " << firstOutFace <<
" multicast-except " << inFace << ',' << firstOutFace);
this->multicast(pitEntry, fibEntry, {inFace, firstOutFace});
}
开发者ID:bombomstory，项目名称:NFD，代码行数:18，代码来源:access-strategy.cpp
示例17: threadMain
/**
* The entry point of the thread that handles the client connection.
*/
void threadMain(const weak_ptr<Client> self) {
vector<string> args;
try {
while (!this_thread::interruption_requested()) {
try {
if (!channel.read(args)) {
// Client closed connection.
break;
}
} catch (const SystemException &e) {
P_TRACE(2, "Exception in ApplicationPoolServer client thread during "
"reading of a message: " << e.what());
break;
}
P_TRACE(4, "Client " << this << ": received message: " <<
toString(args));
if (args[0] == "get" && args.size() == 7) {
processGet(args);
} else if (args[0] == "close" && args.size() == 2) {
processClose(args);
} else if (args[0] == "clear" && args.size() == 1) {
processClear(args);
} else if (args[0] == "setMaxIdleTime" && args.size() == 2) {
processSetMaxIdleTime(args);
} else if (args[0] == "setMax" && args.size() == 2) {
processSetMax(args);
} else if (args[0] == "getActive" && args.size() == 1) {
processGetActive(args);
} else if (args[0] == "getCount" && args.size() == 1) {
processGetCount(args);
} else if (args[0] == "setMaxPerApp" && args.size() == 2) {
processSetMaxPerApp(atoi(args[1]));
} else if (args[0] == "getSpawnServerPid" && args.size() == 1) {
processGetSpawnServerPid(args);
} else {
processUnknownMessage(args);
break;
}
args.clear();
}
} catch (const boost::thread_interrupted &) {
P_TRACE(2, "Client thread " << this << " interrupted.");
} catch (const exception &e) {
P_TRACE(2, "Uncaught exception in ApplicationPoolServer client thread:\n"
<< " message: " << toString(args) << "\n"
<< " exception: " << e.what());
}
mutex::scoped_lock l(server.lock);
ClientPtr myself(self.lock());
if (myself != NULL) {
server.clients.erase(myself);
}
}
开发者ID:NeilW，项目名称:deb-passenger，代码行数:59，代码来源:ApplicationPoolServerExecutable.cpp
示例18: SetParent
void kinematicFrame::SetParent(weak_ptr<Leaf> parent)
{
shared_ptr<SimSpark> spark = wxGetApp().GetSpark();
if (spark.get() == 0)
{
return;
}
if (parent.expired())
{
mParent = Leaf::CachedPath<zeitgeist::Leaf>();
} else
{
std::string path = parent.lock()->GetFullPath();
mParent.SetKey(Core::CacheKey(spark->GetCore()->GetRoot(), path));
}
UpdateCached();
}
开发者ID:GiorgosMethe，项目名称:SimSpark-SPL，代码行数:19，代码来源:kinematicframe.cpp
示例19: getroot
weak_ptr<TTrieNode> TStaticTemplateMatcher::suf_link_move(weak_ptr<TTrieNode> node) {
if (node.lock()->suf_link_.lock())
return node.lock()->suf_link_;
weak_ptr<TTrieNode> prev = node.lock()->parentnode_;
while (prev.lock() != getroot() && !suf_link_move(prev).lock()->isEdge(node.lock()->parentsymbol_))
prev = suf_link_move(prev);
node.lock()->suf_link_ = moveto(suf_link_move(prev),node.lock()->parentsymbol_);
return node.lock()->suf_link_;
}
开发者ID:Beanin，项目名称:TextDictionaryMatcher-，代码行数:9，代码来源:StaticMatcher.cpp
示例20: getGlobalPose
/**
* Returns this 2D pose relative to the global (null) coordinate system.
*/
self getGlobalPose() const {
if(!Parent.expired()) {
self result = Parent.lock()->getGlobalPose();
result.Position += result.Rotation * Position;
result.Rotation *= Rotation;
return result;
} else
return *this;
};
开发者ID:ahmadyan，项目名称:ReaK，代码行数:12，代码来源:pose_2D.hpp
注：本文中的weak_ptr类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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