void
CachePushStreamChild::DoRead()
{
NS_ASSERT_OWNINGTHREAD(CachePushStreamChild);
MOZ_ASSERT(!mClosed);
MOZ_ASSERT(!mCallback);
// The input stream (likely a pipe) probably uses a segment size of
// 4kb. If there is data already buffered it would be nice to aggregate
// multiple segments into a single IPC call. Conversely, don't send too
// too large of a buffer in a single call to avoid spiking memory.
static const uint64_t kMaxBytesPerMessage = 32 * 1024;
static_assert(kMaxBytesPerMessage <= static_cast<uint64_t>(UINT32_MAX),
"kMaxBytesPerMessage must cleanly cast to uint32_t");
while (!mClosed) {
// Use non-auto here as we're unlikely to hit stack storage with the
// sizes we are sending. Also, it would be nice to avoid another copy
// to the IPC layer which we avoid if we use COW strings. Unfortunately
// IPC does not seem to support passing dependent storage types.
nsCString buffer;
uint64_t available = 0;
nsresult rv = mStream->Available(&available);
if (NS_FAILED(rv)) {
OnEnd(rv);
return;
}
if (available == 0) {
Wait();
return;
}
uint32_t expectedBytes =
static_cast<uint32_t>(std::min(available, kMaxBytesPerMessage));
buffer.SetLength(expectedBytes);
uint32_t bytesRead = 0;
rv = mStream->Read(buffer.BeginWriting(), buffer.Length(), &bytesRead);
buffer.SetLength(bytesRead);
// If we read any data from the stream, send it across.
if (!buffer.IsEmpty()) {
Unused << SendBuffer(buffer);
}
if (rv == NS_BASE_STREAM_WOULD_BLOCK) {
Wait();
return;
}
// Any other error or zero-byte read indicates end-of-stream
if (NS_FAILED(rv) || buffer.IsEmpty()) {
OnEnd(rv);
return;
}
}
}
//--------------------------------------------------------------------------
void VeJob::End(bool bSuccess) noexcept
{
VeVector<VeJobPtr> kRelatedJobs;
{
std::lock_guard<vtd::spin_lock> lock(m_kLock);
VE_ASSERT(!m_u32Wait);
m_u32Pointer = 0;
kRelatedJobs = std::move(m_kRelatedJobs);
}
if (bSuccess)
{
for (auto& job : kRelatedJobs)
{
job->Resume();
}
}
else
{
for (auto& job : kRelatedJobs)
{
job->End(false);
}
}
OnEnd(bSuccess);
DecRefCount();
}
void IAudioSource::FireEndEvent()
{
if (!mIsEnd)
{
IEventArg e=IEventArg::Empty;
OnEnd(*this,e);
mIsEnd=true;
}
}
StateMachine::~StateMachine()
{
for (MapStateList::const_iterator iter = m_mapStateList.begin();
iter != m_mapStateList.end(); ++iter)
{
SAFE_DEL(iter->second)
}
m_mapStateList.clear();
m_pCurState = nullptr;
SAFE_DEL(m_pCallbackProtocol);
OnEnd();
}
void
CachePushStreamChild::Wait()
{
NS_ASSERT_OWNINGTHREAD(CachePushStreamChild);
MOZ_ASSERT(!mClosed);
MOZ_ASSERT(!mCallback);
// Set mCallback immediately instead of waiting for success. Its possible
// AsyncWait() will callback synchronously.
mCallback = new Callback(this);
nsresult rv = mStream->AsyncWait(mCallback, 0, 0, nullptr);
if (NS_FAILED(rv)) {
OnEnd(rv);
return;
}
}
//---------------------------------------------------------------------------
CATResult CATApp::Run()
{
CATResult result = CAT_SUCCESS;
result = OnStart();
// If starting failed, then bail without entering main loop.
if (CATFAILED(result))
{
return result;
}
result = MainLoop();
// Pass the result from the MainLoop into OnEnd.
result = OnEnd(result);
return result;
}
//--------------------------------------------------------------------------------------
// Desc:
//--------------------------------------------------------------------------------------
LRESULT CD3DArcBall::HandleMessages( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
// Current mouse position
int iMouseX = ( short )LOWORD( lParam );
int iMouseY = ( short )HIWORD( lParam );
switch( uMsg )
{
case WM_LBUTTONDOWN:
case WM_LBUTTONDBLCLK:
SetCapture( hWnd );
OnBegin( iMouseX, iMouseY );
return TRUE;
case WM_LBUTTONUP:
ReleaseCapture();
OnEnd();
return TRUE;
case WM_CAPTURECHANGED:
if( ( HWND )lParam != hWnd )
{
ReleaseCapture();
OnEnd();
}
return TRUE;
case WM_RBUTTONDOWN:
case WM_RBUTTONDBLCLK:
case WM_MBUTTONDOWN:
case WM_MBUTTONDBLCLK:
SetCapture( hWnd );
// Store off the position of the cursor when the button is pressed
m_ptLastMouse.x = iMouseX;
m_ptLastMouse.y = iMouseY;
return TRUE;
case WM_RBUTTONUP:
case WM_MBUTTONUP:
ReleaseCapture();
return TRUE;
case WM_MOUSEMOVE:
if( MK_LBUTTON & wParam )
{
OnMove( iMouseX, iMouseY );
}
else if( ( MK_RBUTTON & wParam ) || ( MK_MBUTTON & wParam ) )
{
// Normalize based on size of window and bounding sphere radius
FLOAT fDeltaX = ( m_ptLastMouse.x - iMouseX ) * m_fRadiusTranslation / m_nWidth;
FLOAT fDeltaY = ( m_ptLastMouse.y - iMouseY ) * m_fRadiusTranslation / m_nHeight;
if( wParam & MK_RBUTTON )
{
D3DXMatrixTranslation( &m_mTranslationDelta, -2 * fDeltaX, 2 * fDeltaY, 0.0f );
D3DXMatrixMultiply( &m_mTranslation, &m_mTranslation, &m_mTranslationDelta );
}
else // wParam & MK_MBUTTON
{
D3DXMatrixTranslation( &m_mTranslationDelta, 0.0f, 0.0f, 5 * fDeltaY );
D3DXMatrixMultiply( &m_mTranslation, &m_mTranslation, &m_mTranslationDelta );
}
// Store mouse coordinate
m_ptLastMouse.x = iMouseX;
m_ptLastMouse.y = iMouseY;
}
return TRUE;
}
return FALSE;
}