void TCPConnection::ClearBuffers() {
LockMutex lock1(&MSendQueue);
LockMutex lock3(&MRunLoop);
LockMutex lock4(&MState);
safe_delete_array(recvbuf);
safe_delete_array(sendbuf);
char* line = 0;
while ((line = LineOutQueue.pop()))
safe_delete_array(line);
}
STDMETHODIMP TffdshowVideoInputPin::EndOfStream()
{
CAutoLock lock1((CCritSec*)fv->deci->get_csReceive_ptr());
CAutoLock lock2(&m_csCodecs_and_imgFilters);
if (m_rateAndFlush.m_flushing) {
return S_OK;
}
m_rateAndFlush.m_endflush = false;
video->onEndOfStream();
return TinputPin::EndOfStream();
}
SWDecoder const &SWDecoder::operator= (SWDecoder const &rhs)
{
if(&rhs != this)
{
/* but here we need to lock both */
boost::lock_guard<boost::mutex> lock1(&mMutex < &rhs.mMutex ? mMutex : rhs.mMutex);
boost::lock_guard<boost::mutex> lock2(&mMutex > &rhs.mMutex ? mMutex : rhs.mMutex);
mFinish = rhs.mFinish;
mState = rhs.mState;
}
return *this;
}
void OperThreadWin::DBGPrintStoppingList()
{
MutexLock lock1( &operMutex );
OperThreadNode* p;
for ( p = operStopList; p; p = p->next )
{
MutexLock lock2( &p->mutex );
printf( "stopped thread %s\n", p->threadInfo.data() ? p->threadInfo.data() : "<empty info>" );
}
}
int main()
{
boost::detail::lightweight_mutex::scoped_lock lock1( m1 );
boost::detail::lightweight_mutex m2;
boost::detail::lightweight_mutex m3;
boost::detail::lightweight_mutex::scoped_lock lock2( m2 );
boost::detail::lightweight_mutex::scoped_lock lock3( m3 );
return 0;
}
void bnf::CloseListen( session_handle handle )
{
boost::recursive_mutex::scoped_lock lock1( tcp_listen_session_list_.getmutex() );
map_session_list_t::iterator it = tcp_listen_session_list_.find(handle);
if (it == tcp_listen_session_list_.end())
{
return;
}
delete it->second;
tcp_listen_session_list_.erase(it);
}
// Unmount a file system returning the number of open files were invalidated
unsigned int MassStorage::InternalUnmount(size_t card, bool doClose)
{
SdCardInfo& inf = info[card];
MutexLocker lock1(fsMutex);
MutexLocker lock2(inf.volMutex);
const unsigned int invalidated = InvalidateFiles(&inf.fileSystem, doClose);
const char path[3] = { (char)('0' + card), ':', 0 };
f_mount(nullptr, path, 0);
memset(&inf.fileSystem, 0, sizeof(inf.fileSystem));
sd_mmc_unmount(card);
inf.isMounted = false;
return invalidated;
}
/*! \brief Halt the threadpool and terminate all the threads.
*/
inline void stop()
{
// _stop_flag must be set to true in a critical section. Otherwise
// it is possible for a thread to miss notify_all and never
// terminate.
{
std::unique_lock<std::mutex> lock1(_queue_mutex);
_stop_flag = true;
}
_need_thread_mutex.notify_all();
_threads.join_all();
}
/*ARGSUSED*/
int
maillock(char *user, int retrycnt)
{
time_t t;
struct stat sbuf;
int statfailed;
char locktmp[PATHSIZE]; /* Usable lock temporary */
char file[PATHSIZE];
if (locked)
return (0);
(void) strcpy(file, MAILDIR);
(void) strcat(file, user);
(void) strcpy(curlock, file);
(void) strcat(curlock, lockext);
(void) strcpy(locktmp, file);
(void) strcat(locktmp, "XXXXXX");
(void) mktemp(locktmp);
(void) remove(locktmp);
statfailed = 0;
for (;;) {
t = lock1(locktmp, curlock);
if (t == (time_t)0) {
locked = 1;
locktime = time(0);
return (0);
}
if (stat(curlock, &sbuf) < 0) {
if (statfailed++ > 5)
return (-1);
(void) sleep(5);
continue;
}
statfailed = 0;
/*
* Compare the time of the temp file with the time
* of the lock file, rather than with the current
* time of day, since the files may reside on
* another machine whose time of day differs from
* ours. If the lock file is less than 5 minutes
* old, keep trying.
*/
if (t < sbuf.st_ctime + 300) {
(void) sleep(5);
continue;
}
(void) remove(curlock);
}
}
/*==================================
CreateBWCursor
===================================*/
Handle PTCursorView::CreateBWCursor( SUOffscreen *inImage, SUOffscreen *inMask, Point inHotSpot )
{
CursHandle h = (CursHandle) ::NewHandleClear( BWCursor_Bytes );
ThrowIfMemFail_( h );
StHandleLocker lock1( (Handle) h );
if ( inImage )
inImage->CopyToRawData( (UInt8*) &(**h).data, BWCursor_RowBytes );
if ( inMask )
inMask->CopyToRawData( (UInt8*) &(**h).mask, BWCursor_RowBytes );
(**h).hotSpot = inHotSpot;
return( (Handle) h );
}
void transfer(bank_account &from, bank_account &to, int amount)
{
// lock both mutexes without deadlock
std::lock(from.m, to.m);
// make sure both already-locked mutexes are unlocked at the end of scope
std::lock_guard<std::mutex> lock1(from.m, std::adopt_lock);
std::lock_guard<std::mutex> lock2(to.m, std::adopt_lock);
// equivalent approach:
// std::lock_guard<std::mutex> lock1(from.m, std::defer_lock);
// std::lock_guard<std::mutex> lock2(to.m, std::defer_lock);
// std::lock(lock1, lock2);
from.balance -= amount;
to.balance += amount;
}
bool
OpenLedger::modify (modify_type const& f)
{
std::lock_guard<
std::mutex> lock1(modify_mutex_);
auto next = std::make_shared<
OpenView>(*current_);
auto const changed = f(*next, j_);
if (changed)
{
std::lock_guard<
std::mutex> lock2(
current_mutex_);
current_ = std::move(next);
}
return changed;
}
void Renderer::Add(CRenderTarget* target, CRenderTarget* source1, CRenderTarget* source2)
{
CRenderTargetLock lock(target);
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE);
COGLBindLock lockProgram(m_addProgram->GetGLProgram(), COGL_PROGRAM_SLOT);
COGLBindLock lock0(source1->GetTarget(0), COGL_TEXTURE0_SLOT);
COGLBindLock lock1(source2->GetTarget(0), COGL_TEXTURE1_SLOT);
m_fullScreenQuad->draw();
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
}
/*! \brief Thread worker loop, called by the threads beginThreadFunc.
*/
inline void beginThread()
{
try
{
std::unique_lock<std::mutex> lock1(_queue_mutex);
while (!_stop_flag)
{
if (_waitingFunctors.empty())
{
++_idlingThreads;
//Let whoever is waiting know that the thread is now available
_threadAvailable_condition.notify_all();
//And send it to sleep
_need_thread_mutex.wait(lock1);
--_idlingThreads;
continue;
}
std::function<void()> func = _waitingFunctors.front();
_waitingFunctors.pop();
lock1.unlock();
try { func(); }
catch(std::exception& cep)
{
//Mark the main process to throw an exception as soon as possible
std::lock_guard<std::mutex> lock2(_exception_mutex);
_exception_data << "\nTHREAD: Task threw an exception:-"
<< cep.what();
_exception_flag = true;
}
lock1.lock();
}
}
catch (std::exception& p)
{
std::cout << "\nTHREAD :Catastrophic Failure of thread!!! System will Hang, Aborting!"
<< p.what();
throw;
}
}
void RecLock()
{
for(;;)
{
std::this_thread::sleep_for( std::chrono::milliseconds( 7 ) );
std::lock_guard<LockableBase( std::recursive_mutex )> lock1( recmutex );
TracyMessageL( "First lock" );
LockMark( recmutex );
ZoneScoped;
{
std::this_thread::sleep_for( std::chrono::milliseconds( 3 ) );
std::lock_guard<LockableBase( std::recursive_mutex )> lock2( recmutex );
TracyMessageL( "Second lock" );
LockMark( recmutex );
std::this_thread::sleep_for( std::chrono::milliseconds( 2 ) );
}
}
}
STDMETHODIMP TffdshowVideoInputPin::NewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
{
DPRINTF(_l("TffdshowVideoInputPin::NewSegment"));
CAutoLock lock1((CCritSec*)fv->deci->get_csReceive_ptr());
HRESULT hr = TinputPin::NewSegment(tStart, tStop, dRate);
CAutoLock lock2(&m_csCodecs_and_imgFilters);
if (hr == S_OK && codec) {
codec->onSeek(tStart);
}
m_rateAndFlush.isDiscontinuity = true;
m_rateAndFlush.rate.StartTime = m_rateAndFlush.ratechange.StartTime = 0;
if (dRate != 0) {
m_rateAndFlush.rate.Rate = m_rateAndFlush.ratechange.Rate = (LONG)(10000 / dRate);
}
return hr;
}
Boolean VDBFlushMgr::SomethingToFlush(void)
{
VTaskLock lock1(&ListFlushInfoMutext);
BaseFlushInfo* curinfo;
Boolean result = false;
curinfo = ListFlushInfo;
while (curinfo != nil)
{
VTaskLock lock2(&(curinfo->TreeMutex));
if (curinfo->fCurTree != nil) result = true;
curinfo = curinfo->right;
}
return result;
}
void MapPoint::SetBadFlag()
{
map<KeyFrame*,size_t> obs;
{
boost::mutex::scoped_lock lock1(mMutexFeatures);
boost::mutex::scoped_lock lock2(mMutexPos);
mbBad=true;
obs = mObservations;
mObservations.clear();
}
for(map<KeyFrame*,size_t>::iterator mit=obs.begin(), mend=obs.end(); mit!=mend; mit++)
{
KeyFrame* pKF = mit->first;
pKF->EraseMapPointMatch(mit->second);
}
mpMap->EraseMapPoint(this);
}
void TranslationUnit::UpdateLatestDiagnostics() {
unique_lock< mutex > lock1( clang_access_mutex_ );
unique_lock< mutex > lock2( diagnostics_mutex_ );
latest_diagnostics_.clear();
size_t num_diagnostics = clang_getNumDiagnostics( clang_translation_unit_ );
latest_diagnostics_.reserve( num_diagnostics );
for ( size_t i = 0; i < num_diagnostics; ++i ) {
Diagnostic diagnostic =
BuildDiagnostic(
DiagnosticWrap( clang_getDiagnostic( clang_translation_unit_, i ),
clang_disposeDiagnostic ),
clang_translation_unit_ );
if ( diagnostic.kind_ != INFORMATION )
latest_diagnostics_.push_back( diagnostic );
}
}
void Renderer::CalculateError()
{
CRenderTargetLock lock(m_errorRenderTarget.get());
if(m_scene->GetReferenceImage())
{
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE);
COGLBindLock lockProgram(m_errorProgram->GetGLProgram(), COGL_PROGRAM_SLOT);
COGLBindLock lock0(m_resultRenderTarget->GetTarget(0), COGL_TEXTURE0_SLOT);
COGLBindLock lock1(m_scene->GetReferenceImage()->GetOGLTexture(), COGL_TEXTURE1_SLOT);
m_fullScreenQuad->draw();
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
}
}
double LanguageModel::getKLD(
LanguageModel *p, AbstractLanguageModel *q, AbstractLanguageModel *backgroundModel) {
LocalLock lock1(p);
LocalLock lock2(q);
LocalLock lock3(backgroundModel);
double result = 0.0;
double coverage = 0.0;
for (int i = 0; i < p->termSlotsUsed; i++) {
char *term = p->terms[i].term;
double bX = backgroundModel->getTermProbability(term);
if (bX < 1E-10)
continue;
double pX = 0.8 * p->terms[i].termFrequency / p->corpusSize + 0.2 * bX;
double qX = 0.8 * q->getTermProbability(term) + 0.2 * bX;
coverage += pX;
result += pX * log(pX / qX);
}
return result / coverage;
} // end of getKLD(LanguageModel*, AbstractLanguageModel*^2)
void FOOTPRINT_LIST_IMPL::StopWorkers()
{
std::lock_guard<std::mutex> lock1( m_join );
// To safely stop our workers, we set the cancellation flag (they will each
// exit on their next safe loop location when this is set). Then we need to wait
// for all threads to finish as closing the implementation will free the queues
// that the threads write to.
for( auto& i : m_threads )
i.join();
m_threads.clear();
m_queue_in.clear();
m_count_finished.store( 0 );
// If we have cancelled in the middle of a load, clear our timestamp to re-load next time
if( m_cancelled )
m_list_timestamp = 0;
}
void
ThreadPool::Data::finish ()
{
stop();
//
// Signal enough times to allow all threads to stop.
//
// Wait until all threads have started their run functions.
// If we do not wait before we destroy the threads then it's
// possible that the threads have not yet called their run
// functions.
// If this happens then the run function will be called off
// of an invalid object and we will crash, most likely with
// an error like: "pure virtual method called"
//
for (size_t i = 0; i < numThreads; i++)
{
taskSemaphore.post();
threadSemaphore.wait();
}
//
// Join all the threads
//
for (list<WorkerThread*>::iterator i = threads.begin();
i != threads.end();
++i)
{
delete (*i);
}
Lock lock1 (taskMutex);
Lock lock2 (stopMutex);
threads.clear();
tasks.clear();
numThreads = 0;
numTasks = 0;
stopping = false;
}
void MapPoint::UpdateNormalAndDepth()
{
map<KeyFrame*,size_t> observations;
KeyFrame* pRefKF;
cv::Mat Pos;
{
boost::mutex::scoped_lock lock1(mMutexFeatures);
boost::mutex::scoped_lock lock2(mMutexPos);
if(mbBad)
return;
observations=mObservations;
pRefKF=mpRefKF;
Pos = mWorldPos.clone();
}
cv::Mat normal = cv::Mat::zeros(3,1,CV_32F);
int n=0;
for(map<KeyFrame*,size_t>::iterator mit=observations.begin(), mend=observations.end(); mit!=mend; mit++)
{
KeyFrame* pKF = mit->first;
cv::Mat Owi = pKF->GetCameraCenter();
cv::Mat normali = mWorldPos - Owi;
normal = normal + normali/cv::norm(normali);
n++;
}
cv::Mat PC = Pos - pRefKF->GetCameraCenter();
const float dist = cv::norm(PC);
const int level = pRefKF->GetKeyPointScaleLevel(observations[pRefKF]);
const float scaleFactor = pRefKF->GetScaleFactor();
const float levelScaleFactor = pRefKF->GetScaleFactor(level);
const int nLevels = pRefKF->GetScaleLevels();
{
boost::mutex::scoped_lock lock3(mMutexPos);
mfMinDistance = (1.0f/scaleFactor)*dist / levelScaleFactor;
mfMaxDistance = scaleFactor*dist * pRefKF->GetScaleFactor(nLevels-1-level);
mNormalVector = normal/n;
}
}
void CResManage::ClearAllResource()
{
map<HWND, list<VideoRender*> > mapRander;
CSingleZenoLock lock1(m_mtxRander);
mapRander.swap(m_mapRander);
lock1.release();
for (map<HWND, list<VideoRender*> >::iterator iter = mapRander.begin();iter != mapRander.end();++iter)
{
list<VideoRender*>& listRander = iter->second;
for (list<VideoRender*>::iterator iter1 = listRander.begin();iter1 != listRander.end();++iter1)
{
delete *iter1;
}
}
list<int> listPort[StreamSourceType_Num];
CSingleZenoLock lock2(m_mtxPort);
for (int i = 0;i < StreamSourceType_Num;i++)
{
listPort[i].swap(m_listPort[i]);
}
lock2.release();
for (int i = 0;i < StreamSourceType_Num;i++)
{
for (list<int>::iterator iter = listPort[i].begin();iter != listPort[i].end();++iter)
{
PlaySDK_CloseStream(i, *iter);
CNBPlayer::UnusePort(i, *iter);
}
}
list<char*> listBuf;
CSingleZenoLock lock3(m_mtxFrameBuffer);
listBuf.swap(m_listFrameBuffer);
lock3.release();
for (list<char*>::iterator iter = listBuf.begin();iter != listBuf.end();++iter)
{
delete *iter;
}
}
bool ClientUnix::SendLine(const std::string *str, const struct timespec *Timeout)
{
ScopedLock lock1(&m_WriterMutex);
if (IsConnected() == false)
return false;
ScopedReadLock rlock(&m_WriterLock);
const char *c = str->c_str();
ssize_t offset = 0;
ssize_t length = str->size();
ssize_t ret = 0;
restart:
ret = send(m_fd, &c[offset], length, MSG_NOSIGNAL);
if (ret < 0)
{
switch(errno)
{
case EINTR:
goto restart;
break;
default:
RaiseOnSendError(errno, Errno::ToStr());
return false;
}
}
if (ret < length - offset)
{
length -= ret;
offset += ret;
goto restart;
}
//Success!
return true;
}
int TPTCPClient::Close()
{
CReadWriteMutexLock lock(m_csOnline);
m_bOnline = FALSE;
m_bReconnEn = FALSE;
lock.Unlock();
ClearClientEnvironment();
CReadWriteMutexLock lock1(m_csSendQueue);
while (!m_lstSendQueue.empty())
{
DataRow *conn = m_lstSendQueue.front();
if (conn != NULL)
{
delete conn;
}
m_lstSendQueue.pop();
}
lock1.Unlock();
return 1;
}
// merge other into this. All options in other take precedence over this.
void robot_interaction::KinematicOptionsMap::merge(
const KinematicOptionsMap& other)
{
if (&other == this)
return;
// need to lock in consistent order to avoid deadlock.
// Lock the one with lower address first.
boost::mutex *m1 = &lock_;
boost::mutex *m2 = &other.lock_;
if (m2 < m1)
std::swap(m1, m2);
boost::mutex::scoped_lock lock1(*m1);
boost::mutex::scoped_lock lock2(*m2);
defaults_ = other.defaults_;
for (M_options::const_iterator it = other.options_.begin() ;
it != other.options_.end() ;
++it)
{
options_[it->first] = it->second;
}
}
void Transfer(const ID from, const ID to, float amount) {
IAccount *fromAccount, *toAccount;
fromAccount = toAccount = nullptr;
if (m_vecAccount.size() < from || m_vecAccount.size() < to)
// account don't exist
return;
fromAccount = &m_vecAccount.at(from);
toAccount = &m_vecAccount.at(to);
// TODO: wrap into trans
// don't actually take the locks yet
std::unique_lock<std::mutex> lock1(fromAccount->Lock(), std::defer_lock);
std::unique_lock<std::mutex> lock2(toAccount->Lock(), std::defer_lock);
// lock both unique_locks without deadlock
std::lock(lock1, lock2);
fromAccount->Withdraw(amount);
toAccount->Deposit(amount);
toAccount = fromAccount = nullptr;
}
TEST(DragImageTest, InterpolationNone) {
SkBitmap expectedBitmap;
expectedBitmap.allocN32Pixels(4, 4);
{
SkAutoLockPixels lock(expectedBitmap);
expectedBitmap.eraseArea(SkIRect::MakeXYWH(0, 0, 2, 2), 0xFFFFFFFF);
expectedBitmap.eraseArea(SkIRect::MakeXYWH(0, 2, 2, 2), 0xFF000000);
expectedBitmap.eraseArea(SkIRect::MakeXYWH(2, 0, 2, 2), 0xFF000000);
expectedBitmap.eraseArea(SkIRect::MakeXYWH(2, 2, 2, 2), 0xFFFFFFFF);
}
SkBitmap testBitmap;
testBitmap.allocN32Pixels(2, 2);
{
SkAutoLockPixels lock(testBitmap);
testBitmap.eraseArea(SkIRect::MakeXYWH(0, 0, 1, 1), 0xFFFFFFFF);
testBitmap.eraseArea(SkIRect::MakeXYWH(0, 1, 1, 1), 0xFF000000);
testBitmap.eraseArea(SkIRect::MakeXYWH(1, 0, 1, 1), 0xFF000000);
testBitmap.eraseArea(SkIRect::MakeXYWH(1, 1, 1, 1), 0xFFFFFFFF);
}
RefPtr<TestImage> testImage =
TestImage::create(SkImage::MakeFromBitmap(testBitmap));
std::unique_ptr<DragImage> dragImage = DragImage::create(
testImage.get(), DoNotRespectImageOrientation, 1, InterpolationNone);
ASSERT_TRUE(dragImage);
dragImage->scale(2, 2);
const SkBitmap& dragBitmap = dragImage->bitmap();
{
SkAutoLockPixels lock1(dragBitmap);
SkAutoLockPixels lock2(expectedBitmap);
for (int x = 0; x < dragBitmap.width(); ++x)
for (int y = 0; y < dragBitmap.height(); ++y)
EXPECT_EQ(expectedBitmap.getColor(x, y), dragBitmap.getColor(x, y));
}
}