C++ check函数代码示例

double RootMeanSquaredError::calculate_performance(void) const
{
   // Control sentence

   #ifdef __OPENNN_DEBUG__ 

   check();

   #endif

   // Neural network stuff

   const MultilayerPerceptron* multilayer_perceptron_pointer = neural_network_pointer->get_multilayer_perceptron_pointer();

   const size_t inputs_number = multilayer_perceptron_pointer->get_inputs_number();
   const size_t outputs_number = multilayer_perceptron_pointer->get_outputs_number();

   // Data set stuff

   const Matrix<double>& data = data_set_pointer->get_data();

   const Instances& instances = data_set_pointer->get_instances();

   const size_t training_instances_number = instances.count_training_instances_number();

   const Vector<size_t> training_indices = instances.arrange_training_indices();

   size_t training_index;

   const Variables& variables = data_set_pointer->get_variables();

   const Vector<size_t> inputs_indices = variables.arrange_inputs_indices();
   const Vector<size_t> targets_indices = variables.arrange_targets_indices();

   // Root mean squared error

   Vector<double> inputs(inputs_number);
   Vector<double> outputs(outputs_number);
   Vector<double> targets(outputs_number);

   double sum_squared_error = 0.0;

   int i = 0;

   #pragma omp parallel for private(i, training_index, inputs, outputs, targets) reduction(+:sum_squared_error)

   for(i = 0; i < (int)training_instances_number; i++)
   {
       training_index = training_indices[i];

      // Input vector

      inputs = data_set_pointer->get_instance(training_index, inputs_indices);

      // Output vector

      outputs = multilayer_perceptron_pointer->calculate_outputs(inputs);

      // Target vector

//      targets = data_set_pointer->get_instance(training_index, targets_indices);

      // Sum squaresd error

//	  sum_squared_error += outputs.calculate_sum_squared_error(targets);
      sum_squared_error += outputs.calculate_sum_squared_error(data, training_index, targets_indices);

   }

   return(sqrt(sum_squared_error/(double)training_instances_number));
}

void LH_ITERATE_PATCHED_WORDS_NAME(const unichar *buf, size_t bufsize, lh_word_check_t *check, lh_word_patch_t *patch, lh_word_callback_t *callback, void *userdata)
{
  size_t pos = 0;
  size_t word_start;
  size_t word_length;
  unichar patch_buf[WORD_MAX_CHARS];
  const unichar *arg_begin;
  size_t arg_length;
  utf8char word_buf[BUFSIZEOF__UTF8_WORD];
  utf8char *hugeword_buf = NULL;
  size_t hugeword_buf_size = 0;
  utf8char *word_end;
  int prop;
#ifdef LH_ITERATOR_DEBUG
  int wordctr = 0, wordcount = LH_COUNT_WORDS_NAME (buf, bufsize, check);
#define wordctr_INC1 wordctr++
#else
#define wordctr_INC1
#endif
  while (pos < bufsize)
    {
      prop = UNICHAR_GETPROPS_EXPN(buf,bufsize,pos);
      if (prop & UCP_ALPHA)
	{
	  word_start = pos;
	  do pos++; while ((pos < bufsize) && (UNICHAR_GETPROPS_EXPN(buf,bufsize,pos) & UCP_ALPHA));
	  word_length = pos - word_start;
	  if (WORD_MAX_CHARS < word_length)
	    continue;
	  if (NULL!=check && 0 == check(buf+word_start, word_length))
	    {
	      DBG_PRINTF_NOISE_WORD(word_start,word_length);
	      continue;
	    }
	  if (NULL != patch)
	    { /* word should be patched */
	      if (0 == patch (buf+word_start, word_length, patch_buf, &arg_length))
		{
		  DBG_PRINTF_PATCH_FAILED(word_start,word_length);
		  continue;
		}
	      arg_begin = patch_buf;
	    }
	  else
	    { /* argument should be taken right from \c buf */
	      arg_begin = buf+word_start;
	      arg_length = word_length;
	    }
	  word_end = (utf8char *)eh_encode_buffer__UTF8 (arg_begin, arg_begin+arg_length, (char *)(word_buf), (char *)(word_buf+BUFSIZEOF__UTF8_WORD));
	  if (NULL != word_end)
	    {
	      callback (word_buf, word_end-word_buf, userdata);
              wordctr_INC1;
	      continue;
	    }
	  if (hugeword_buf_size<(word_length*MAX_UTF8_CHAR))
	    { /* overflow danger detected */
	      if (hugeword_buf_size)
		dk_free (hugeword_buf, hugeword_buf_size);
	      hugeword_buf_size = word_length*MAX_UTF8_CHAR;
	      hugeword_buf = (utf8char *) dk_alloc (hugeword_buf_size);
	    }
	  word_end = (utf8char *)eh_encode_buffer__UTF8 (arg_begin, arg_begin+arg_length, (char *)(hugeword_buf), (char *)(hugeword_buf+hugeword_buf_size));
	  callback (hugeword_buf, word_end-hugeword_buf, userdata);
          wordctr_INC1;
	  continue;
	}
      if (prop & UCP_IDEO)
	{
	  word_start = pos;
	  pos++;
	  word_length = pos - word_start;
	  if (NULL!=check && 0 == check(buf+word_start, word_length))
	    {
	      DBG_PRINTF_NOISE_IDEO(word_start,word_length);
	      continue;
	    }
	  if (NULL != patch)
	    { /* word should be patched */
	      if (0 == patch (buf+word_start, word_length, patch_buf, &arg_length))
		{
		  DBG_PRINTF_IDEO_PATCH_FAILED(word_start,word_length);
		  continue;
		}
	      arg_begin = patch_buf;
	    }
	  else
	    { /* argument should be taken right from \c buf */
	      arg_begin = buf+word_start;
	      arg_length = word_length;
	    }
	  word_end = (utf8char *)eh_encode_buffer__UTF8 (arg_begin, arg_begin+arg_length, (char *)(word_buf), (char *)(word_buf+BUFSIZEOF__UTF8_WORD));
	  callback (word_buf, word_end-word_buf, userdata);
          wordctr_INC1;
	  continue;
	}
      pos++;
    }
  if (hugeword_buf_size)
    dk_free (hugeword_buf, hugeword_buf_size);
//.........这里部分代码省略.........

static int
test1 (void)
{
    const char * in =
        "{\n"
        "    \"headers\": {\n"
        "        \"type\": \"request\",\n"
        "        \"tag\": 666\n"
        "    },\n"
        "    \"body\": {\n"
        "        \"name\": \"torrent-info\",\n"
        "        \"arguments\": {\n"
        "            \"ids\": [ 7, 10 ]\n"
        "        }\n"
        "    }\n"
        "}\n";
    tr_variant      top, *headers, *body, *args, *ids;
    const char * str;
    int64_t      i;
    const int    err = tr_variantFromJson (&top, in, strlen(in));

    check (!err);
    check (tr_variantIsDict (&top));
    check ((headers = tr_variantDictFind (&top, tr_quark_new("headers",7))));
    check (tr_variantIsDict (headers));
    check (tr_variantDictFindStr (headers, tr_quark_new("type",4), &str, NULL));
    check_streq ("request", str);
    check (tr_variantDictFindInt (headers, TR_KEY_tag, &i));
    check_int_eq (666, i);
    check ((body = tr_variantDictFind (&top, tr_quark_new("body",4))));
    check (tr_variantDictFindStr (body, TR_KEY_name, &str, NULL));
    check_streq ("torrent-info", str);
    check ((args = tr_variantDictFind (body, tr_quark_new("arguments",9))));
    check (tr_variantIsDict (args));
    check ((ids = tr_variantDictFind (args, TR_KEY_ids)));
    check (tr_variantIsList (ids));
    check_int_eq (2, tr_variantListSize (ids));
    check (tr_variantGetInt (tr_variantListChild (ids, 0), &i));
    check_int_eq (7, i);
    check (tr_variantGetInt (tr_variantListChild (ids, 1), &i));
    check_int_eq (10, i);

    tr_variantFree (&top);
    return 0;
}

void AWalkerAIController::Possess(APawn *aPawn)
{
  Super::Possess(aPawn);
  check(aPawn != nullptr);
  aPawn->OnTakeAnyDamage.AddDynamic(this, &AWalkerAIController::OnPawnTookDamage);
}

//.........这里部分代码省略.........
	else
	{
		std::wstring wideText = ToWide(text);
		
		// parse colors and the lot
		std::wstring noColorTextString;

		std::vector<DWRITE_TEXT_RANGE> textRanges;
		std::vector<RGBA> textColors;

		{
			std::wstringstream noColorText;
			int count = 0;

			static const RGBA colors[] = {
				RGBA(0, 0, 0),
				RGBA(255, 0, 0),
				RGBA(0, 255, 0),
				RGBA(255, 255, 0),
				RGBA(0, 0, 255),
				RGBA(0, 255, 255),
				RGBA(255, 0, 255),
				RGBA(255, 255, 255),
				RGBA(100, 0, 0),
				RGBA(0, 0, 100)
			};

			textRanges.reserve(50);
			textColors.reserve(50);

			textRanges.push_back({ 0, UINT32_MAX });
			textColors.push_back(color);

			for (int i = 0; i < wideText.length(); i++)
			{
				if (wideText[i] == '^' && (i + 1) < wideText.length() && isdigit(wideText[i + 1]))
				{
					textRanges.back().length = count - textRanges.back().startPosition;
					textRanges.push_back({ (UINT32)count, UINT32_MAX });

					textColors.push_back(colors[wideText[i + 1] - '0']);

					++i;
					continue;
				}

				noColorText << wideText[i];
				++count;
			}

			textRanges.back().length = count - textRanges.back().startPosition;

			noColorTextString = noColorText.str();
		}

		m_dwFactory->CreateTextLayout(noColorTextString.c_str(), static_cast<UINT32>(noColorTextString.length()), textFormat.Get(), rect.Width(), rect.Height(), textLayout.GetAddressOf());

		m_textLayoutCache[layoutKey] = textLayout;

		// set effect
		for (size_t i : irange(textRanges.size()))
		{
			DWRITE_TEXT_RANGE effectRange = textRanges[i];
			RGBA color = textColors[i];

			static thread_local std::map<uint32_t, ComPtr<FrDrawingEffect>> effects;
			auto it = effects.find(color.AsARGB());

			if (it == effects.end())
			{
				ComPtr<FrDrawingEffect> effect = Make<FrDrawingEffect>();

				effect->SetColor(textColors[i]);

				it = effects.insert({ color.AsARGB(), effect }).first;
			}

			check(SUCCEEDED(textLayout->SetDrawingEffect((IUnknown*)it->second.Get(), effectRange)));
		}
	}

	// draw
	auto drawingContext = new FrDrawingContext();
	textLayout->Draw(drawingContext, m_textRenderer.Get(), rect.Left(), rect.Top());

	auto numRuns = drawingContext->glyphRuns.size();

	if (numRuns)
	{
		for (auto& run : drawingContext->glyphRuns)
		{
			m_queuedRenderables.push_back(std::make_unique<FrGlyphRunRenderable>(run));
			//m_queuedGlyphRuns.push_back(run);
		}
	}

	delete drawingContext;

	m_mutex.unlock();
}

void SInlineEditableTextBlock::Construct( const FArguments& InArgs )
{
	check(InArgs._Style);

	OnBeginTextEditDelegate = InArgs._OnBeginTextEdit;
	OnTextCommittedDelegate = InArgs._OnTextCommitted;
	IsSelected = InArgs._IsSelected;
	OnVerifyTextChanged= InArgs._OnVerifyTextChanged;
	Text = InArgs._Text;
	bIsReadOnly = InArgs._IsReadOnly;
	bIsMultiLine = InArgs._MultiLine;
	DoubleSelectDelay = 0.0f;

	ChildSlot
	[
		SAssignNew(HorizontalBox, SHorizontalBox)
			
		+SHorizontalBox::Slot()
		.VAlign(VAlign_Center)
		[
			SAssignNew(TextBlock, STextBlock)
			.Text(Text)
			.TextStyle( &InArgs._Style->TextStyle )
			.Font(InArgs._Font)
			.ColorAndOpacity( InArgs._ColorAndOpacity )
			.ShadowColorAndOpacity( InArgs._ShadowColorAndOpacity )
			.ShadowOffset( InArgs._ShadowOffset )
			.HighlightText( InArgs._HighlightText )
			.ToolTipText( InArgs._ToolTipText )
			.WrapTextAt( InArgs._WrapTextAt )
			.Justification( InArgs._Justification )
			.LineBreakPolicy( InArgs._LineBreakPolicy )
		]
	];

	if( bIsMultiLine )
	{
		SAssignNew(MultiLineTextBox, SMultiLineEditableTextBox)
			.Text(InArgs._Text)
			.Style(&InArgs._Style->EditableTextBoxStyle)
			.Font(InArgs._Font)
			.ToolTipText( InArgs._ToolTipText )
			.OnTextChanged(this, &SInlineEditableTextBlock::OnTextChanged)
			.OnTextCommitted(this, &SInlineEditableTextBlock::OnTextBoxCommitted)
			.SelectAllTextWhenFocused(true)
			.ClearKeyboardFocusOnCommit(true)
			.RevertTextOnEscape(true)
			.ModiferKeyForNewLine(InArgs._ModiferKeyForNewLine);
	}
	else
	{
		SAssignNew(TextBox, SEditableTextBox)
			.Text(InArgs._Text)
			.Style(&InArgs._Style->EditableTextBoxStyle)
			.Font(InArgs._Font)
			.ToolTipText( InArgs._ToolTipText )
			.OnTextChanged( this, &SInlineEditableTextBlock::OnTextChanged )
			.OnTextCommitted(this, &SInlineEditableTextBlock::OnTextBoxCommitted)
			.SelectAllTextWhenFocused(true)
			.ClearKeyboardFocusOnCommit(false);
	}
}

	uint32 FSoundFileDecoder::Run()
	{
		while (bIsDecoding)
		{
			for (int32 DataIndex = 0; DataIndex < Settings.NumDecodeBuffers; ++DataIndex)
			{
				FSoundFileDecodeData& Data = DecodeData[DataIndex];

				// If the data is not active, continue
				if (!Data.bIsActive)
				{
					continue;
				}

				int32 CurrentWriteBufferIndex = Data.CurrentWriteBufferIndex.GetValue();
				while (CurrentWriteBufferIndex != Data.CurrentReadBufferIndex.GetValue())
				{
					TArray<float>& DecodeBuffer = Data.DecodedBuffers[CurrentWriteBufferIndex];

					SoundFileCount RequestedNumSamples = (SoundFileCount)DecodeBuffer.Num();
					SoundFileCount NumSamplesActuallyRead = 0;

					// If the data is looping, then we need to keep reading samples from the file until we've reached the number of requested
					// samples. For *very* short duration sounds (or for long-duration decode buffers), we may have an edge case where
					// the sound file needs to seek from the beginning multiple times to fulfill the decode buffer size request
					if (Data.bIsLooping)
					{
						// Keep looping until we've read everything we requested
						while (true)
						{
							ESoundFileError::Type Result = Data.SoundFileReader->ReadSamples(DecodeBuffer.GetData(), RequestedNumSamples, NumSamplesActuallyRead);
							check(Result == ESoundFileError::NONE);

							// If we've read all the samples we wanted, then we're good
							if (RequestedNumSamples == NumSamplesActuallyRead)
							{
								break;
							}
							// ... otherwise, we need to seek back to the beginning of the file and try to read samples that are left
							else
							{
								// Seek to beginning of file
								SoundFileCount OutFrameOffset = 0;
								Data.SoundFileReader->SeekFrames(0, ESoundFileSeekMode::FROM_START, OutFrameOffset);

								// Calculate samples left we need to read
								RequestedNumSamples -= NumSamplesActuallyRead;
							}
						}
					}
					else
					{
						ESoundFileError::Type Result = Data.SoundFileReader->ReadSamples(DecodeBuffer.GetData(), RequestedNumSamples, NumSamplesActuallyRead);
						check(Result == ESoundFileError::NONE);

						// if the number of samples we read was not the number we requested, then we've reached the end of the file
						if (RequestedNumSamples != NumSamplesActuallyRead)
						{
							// tell the data that this entry is no longer active
							Data.bIsActive = false;

							// and what our last sample index is
							Data.LastSampleIndex = NumSamplesActuallyRead;
						}
					}

					// Increment the buffer index
					CurrentWriteBufferIndex = CurrentWriteBufferIndex % Settings.NumDecodeBuffers;

					// Publish results by writing setting buffer index so other thread can read it
					Data.CurrentWriteBufferIndex.Set(CurrentWriteBufferIndex);
				}

			}

			// Once we're done decoding everything, then put this thread to sleep
			// Any new requests (or any shutdowns) will trigger this thread to wake up.
			ThreadDecodeEvent->Wait((uint32)-1);
		}
		return true;
	}

bool check(const php::Program& p) {
  for (DEBUG_ONLY auto& u : p.units) assert(check(*u));
  return true;
}

   void AudioStream_Ogg::open(const std::string &path, int startTime, int inLoops, const SoundTransform &inTransform) {
        
        if (openal_is_shutdown) return;
   
        int result;
        mPath = std::string(path.c_str());
        mStartTime = startTime;
        mLoops = inLoops;
        mIsValid = true;
        mSuspend = false;
        
        #ifdef ANDROID
        
        mInfo = AndroidGetAssetFD(path.c_str());
        oggFile = fdopen(mInfo.fd, "rb");
        fseek(oggFile, mInfo.offset, 0);
        
        ov_callbacks callbacks;
        callbacks.read_func = &nme::AudioStream_Ogg::read_func;
        callbacks.seek_func = &nme::AudioStream_Ogg::seek_func;
        callbacks.close_func = &nme::AudioStream_Ogg::close_func;
        callbacks.tell_func = &nme::AudioStream_Ogg::tell_func;
        
        #else
        
        oggFile = fopen(path.c_str(), "rb");
        
        #endif
        
        if(!oggFile) {
            //throw std::string("Could not open Ogg file.");
            LOG_SOUND("Could not open Ogg file.");
            mIsValid = false;
            return;
        }
        
        oggStream = new OggVorbis_File();
        
        #ifdef ANDROID
        result = ov_open_callbacks(this, oggStream, NULL, 0, callbacks);
        #else
        result = ov_open(oggFile, oggStream, NULL, 0);
        #endif
         
        if(result < 0) {
         
            fclose(oggFile);
            oggFile = 0;
         
            //throw std::string("Could not open Ogg stream. ") + errorString(result);
            LOG_SOUND("Could not open Ogg stream.");
            //LOG_SOUND(errorString(result).c_str());
            mIsValid = false;
            return;
        }

        vorbisInfo = ov_info(oggStream, -1);
        vorbisComment = ov_comment(oggStream, -1);

        if(vorbisInfo->channels == 1) {
            format = AL_FORMAT_MONO16;
        } else {
            format = AL_FORMAT_STEREO16;
        }
        
        if (startTime != 0)
        {
          double seek = startTime * 0.001;
          ov_time_seek(oggStream, seek);
        }
        
        alGenBuffers(2, buffers);
        check();
        alGenSources(1, &source);
        check();

        alSource3f(source, AL_POSITION,        0.0, 0.0, 0.0);
        alSource3f(source, AL_VELOCITY,        0.0, 0.0, 0.0);
        alSource3f(source, AL_DIRECTION,       0.0, 0.0, 0.0);
        alSourcef (source, AL_ROLLOFF_FACTOR,  0.0          );
        alSourcei (source, AL_SOURCE_RELATIVE, AL_TRUE      );
        
        setTransform(inTransform);
   } //open

	void ReturnToPool(FEvent* Event)
	{
		check(Event);
		Pool.Push(Event);
	}

BufferType* FD3D12Adapter::CreateRHIBuffer(FRHICommandListImmediate* RHICmdList,
	const D3D12_RESOURCE_DESC& InDesc,
	uint32 Alignment,
	uint32 Stride,
	uint32 Size,
	uint32 InUsage,
	FRHIResourceCreateInfo& CreateInfo,
	bool SkipCreate)
{
	const bool bIsDynamic = (InUsage & BUF_AnyDynamic) ? true : false;

	BufferType* BufferOut = CreateLinkedObject<BufferType>([&](FD3D12Device* Device)
	{
		BufferType* NewBuffer = new BufferType(Device, Stride, Size, InUsage);
		NewBuffer->BufferAlignment = Alignment;

		if (SkipCreate == false)
		{
			AllocateBuffer(Device, InDesc, Size, InUsage, CreateInfo, Alignment, NewBuffer->ResourceLocation);
		}

		return NewBuffer;
	});

	if (CreateInfo.ResourceArray)
	{
		if (bIsDynamic == false && BufferOut->ResourceLocation.IsValid())
		{
			check(Size == CreateInfo.ResourceArray->GetResourceDataSize());

			// Get an upload heap and initialize data
			FD3D12ResourceLocation SrcResourceLoc(BufferOut->GetParentDevice());
			void* pData = SrcResourceLoc.GetParentDevice()->GetDefaultFastAllocator().Allocate<FD3D12ScopeLock>(Size, 4UL, &SrcResourceLoc);
			check(pData);
			FMemory::Memcpy(pData, CreateInfo.ResourceArray->GetResourceData(), Size);

			const auto& pfnUpdateBuffer = [&]()
			{
				BufferType* CurrentBuffer = BufferOut;
				while (CurrentBuffer != nullptr)
				{
					FD3D12Resource* Destination = CurrentBuffer->ResourceLocation.GetResource();
					FD3D12Device* Device = Destination->GetParentDevice();

					FD3D12CommandListHandle& hCommandList = Device->GetDefaultCommandContext().CommandListHandle;
					// Copy from the temporary upload heap to the default resource
					{
						// Writable structured bufferes are sometimes initialized with inital data which means they sometimes need tracking.
						FConditionalScopeResourceBarrier ConditionalScopeResourceBarrier(hCommandList, Destination, D3D12_RESOURCE_STATE_COPY_DEST, 0);

						Device->GetDefaultCommandContext().numCopies++;
						hCommandList->CopyBufferRegion(
							Destination->GetResource(),
							CurrentBuffer->ResourceLocation.GetOffsetFromBaseOfResource(),
							SrcResourceLoc.GetResource()->GetResource(),
							SrcResourceLoc.GetOffsetFromBaseOfResource(), Size);

						hCommandList.UpdateResidency(Destination);
					}

					CurrentBuffer = CurrentBuffer->GetNextObject();
				}
			};

			//TODO: This should be a deferred op like the buffer lock/unlocks
			// We only need to synchronize when creating default resource buffers (because we need a command list to initialize them)
			if (RHICmdList)
			{
				FScopedRHIThreadStaller StallRHIThread(*RHICmdList);
				pfnUpdateBuffer();
			}
			else
			{
				pfnUpdateBuffer();
			}
		}

		// Discard the resource array's contents.
		CreateInfo.ResourceArray->Discard();
	}

	return BufferOut;
}

static void
rm_tree(char **argv)
{
	FTS *fts;
	FTSENT *p;
	int needstat;
	int flags;
	int rval;

	/*
	 * Remove a file hierarchy.  If forcing removal (-f), or interactive
	 * (-i) or can't ask anyway (stdin_ok), don't stat the file.
	 */
	needstat = !uid || (!fflag && !iflag && stdin_ok);

	/*
	 * If the -i option is specified, the user can skip on the pre-order
	 * visit.  The fts_number field flags skipped directories.
	 */
#define	SKIPPED	1

	flags = FTS_PHYSICAL;
	if (!needstat)
		flags |= FTS_NOSTAT;
	if (Wflag)
		flags |= FTS_WHITEOUT;
	if (xflag)
		flags |= FTS_XDEV;
	if (!(fts = fts_open(argv, flags, NULL))) {
		if (fflag && errno == ENOENT)
			return;
		err(1, "fts_open");
	}
	while ((p = fts_read(fts)) != NULL) {
		switch (p->fts_info) {
		case FTS_DNR:
			if (!fflag || p->fts_errno != ENOENT) {
				warnx("%s: %s",
				    p->fts_path, strerror(p->fts_errno));
				eval = 1;
			}
			continue;
		case FTS_ERR:
			errx(1, "%s: %s", p->fts_path, strerror(p->fts_errno));
		case FTS_NS:
			/*
			 * Assume that since fts_read() couldn't stat the
			 * file, it can't be unlinked.
			 */
			if (!needstat)
				break;
			if (!fflag || p->fts_errno != ENOENT) {
				warnx("%s: %s",
				    p->fts_path, strerror(p->fts_errno));
				eval = 1;
			}
			continue;
		case FTS_D:
			/* Pre-order: give user chance to skip. */
			if (!fflag && !check(p->fts_path, p->fts_accpath,
			    p->fts_statp)) {
				(void)fts_set(fts, p, FTS_SKIP);
				p->fts_number = SKIPPED;
			}
			else if (!uid &&
				 (p->fts_statp->st_flags & (UF_APPEND|UF_IMMUTABLE)) &&
				 !(p->fts_statp->st_flags & (SF_APPEND|SF_IMMUTABLE)) &&
				 lchflags(p->fts_accpath,
					 p->fts_statp->st_flags &= ~(UF_APPEND|UF_IMMUTABLE)) < 0)
				goto err;
			continue;
		case FTS_DP:
			/* Post-order: see if user skipped. */
			if (p->fts_number == SKIPPED)
				continue;
			break;
		default:
			if (!fflag &&
			    !check(p->fts_path, p->fts_accpath, p->fts_statp))
				continue;
		}

		rval = 0;
		if (!uid &&
		    (p->fts_statp->st_flags & (UF_APPEND|UF_IMMUTABLE)) &&
		    !(p->fts_statp->st_flags & (SF_APPEND|SF_IMMUTABLE)))
			rval = lchflags(p->fts_accpath,
				       p->fts_statp->st_flags &= ~(UF_APPEND|UF_IMMUTABLE));
		if (rval == 0) {
			/*
			 * If we can't read or search the directory, may still be
			 * able to remove it.  Don't print out the un{read,search}able
			 * message unless the remove fails.
			 */
			switch (p->fts_info) {
			case FTS_DP:
			case FTS_DNR:
				rval = rmdir(p->fts_accpath);
				if (rval == 0 || (fflag && errno == ENOENT)) {
					if (rval == 0 && vflag)
//.........这里部分代码省略.........

void* FD3D12DynamicRHI::LockBuffer(FRHICommandListImmediate* RHICmdList, BufferType* Buffer, uint32 Offset, uint32 Size, EResourceLockMode LockMode)
{

#if STATS
	LockBufferCalls++;
	SCOPE_CYCLE_COUNTER(STAT_D3D12LockBufferTime);
	INC_DWORD_STAT_BY(STAT_D3D12LockBufferCalls, LockBufferCalls);
#endif

	FD3D12LockedResource& LockedData = Buffer->LockedData;
	check(LockedData.bLocked == false);
	FD3D12Device* Device = GetRHIDevice();
	FD3D12Adapter& Adapter = GetAdapter();

	// Determine whether the buffer is dynamic or not.
	const bool bIsDynamic = (Buffer->GetUsage() & BUF_AnyDynamic) ? true : false;

	void* Data = nullptr;

	if (bIsDynamic)
	{
		check(LockMode == RLM_WriteOnly);

		BufferType* CurrentBuffer = Buffer;

		// Update all of the resources in the LDA chain
		while (CurrentBuffer)
		{
			// Allocate a new resource

			// If on the RenderThread, queue up a command on the RHIThread to rename this buffer at the correct time
			if (ShouldDeferBufferLockOperation(RHICmdList))
			{
				FRHICommandRenameUploadBuffer<BufferType>* Command = new (RHICmdList->AllocCommand<FRHICommandRenameUploadBuffer<BufferType>>()) FRHICommandRenameUploadBuffer<BufferType>(CurrentBuffer, Device);

				Data = Adapter.GetUploadHeapAllocator().AllocUploadResource(Buffer->GetSize(), Buffer->BufferAlignment, Command->NewResource);
			}
			else
			{
				FD3D12ResourceLocation Location(CurrentBuffer->GetParentDevice());
				Data = Adapter.GetUploadHeapAllocator().AllocUploadResource(Buffer->GetSize(), Buffer->BufferAlignment, Location);
				CurrentBuffer->Rename(Location);
			}

			CurrentBuffer = CurrentBuffer->GetNextObject();
		}
	}
	else
	{
		FD3D12Resource* pResource = Buffer->ResourceLocation.GetResource();

		// Locking for read must occur immediately so we can't queue up the operations later.
		if (LockMode == RLM_ReadOnly)
		{
			LockedData.bLockedForReadOnly = true;
			// If the static buffer is being locked for reading, create a staging buffer.
			FD3D12Resource* StagingBuffer = nullptr;

			const GPUNodeMask Node = Device->GetNodeMask();
			VERIFYD3D12RESULT(Adapter.CreateBuffer(D3D12_HEAP_TYPE_READBACK, Node, Node, Offset + Size, &StagingBuffer));

			// Copy the contents of the buffer to the staging buffer.
			{
				const auto& pfnCopyContents = [&]()
				{
					FD3D12CommandContext& DefaultContext = Device->GetDefaultCommandContext();

					FD3D12CommandListHandle& hCommandList = DefaultContext.CommandListHandle;
					FScopeResourceBarrier ScopeResourceBarrierSource(hCommandList, pResource, pResource->GetDefaultResourceState(), D3D12_RESOURCE_STATE_COPY_SOURCE, 0);
					// Don't need to transition upload heaps

					DefaultContext.numCopies++;
					hCommandList->CopyBufferRegion(
						StagingBuffer->GetResource(),
						0,
						pResource->GetResource(),
						Offset, Size);

					hCommandList.UpdateResidency(StagingBuffer);
					hCommandList.UpdateResidency(pResource);

					DefaultContext.FlushCommands(true);
				};

				if (ShouldDeferBufferLockOperation(RHICmdList))
				{
					// Sync when in the render thread implementation
					check(IsInRHIThread() == false);

					RHICmdList->ImmediateFlush(EImmediateFlushType::FlushRHIThread);
					pfnCopyContents();
				}
				else
				{
					check(IsInRHIThread());
					pfnCopyContents();
				}
			}

			LockedData.ResourceLocation.AsStandAlone(StagingBuffer, Size);
//.........这里部分代码省略.........

static void
rm_file(char **argv)
{
	struct stat sb;
	int rval;
	char *f;

	/*
	 * Remove a file.  POSIX 1003.2 states that, by default, attempting
	 * to remove a directory is an error, so must always stat the file.
	 */
	while ((f = *argv++) != NULL) {
		/* Assume if can't stat the file, can't unlink it. */
		if (lstat(f, &sb)) {
			if (Wflag) {
				sb.st_mode = S_IFWHT|S_IWUSR|S_IRUSR;
			} else {
				if (!fflag || errno != ENOENT) {
					warn("%s", f);
					eval = 1;
				}
				continue;
			}
		} else if (Wflag) {
			warnx("%s: %s", f, strerror(EEXIST));
			eval = 1;
			continue;
		}

		if (S_ISDIR(sb.st_mode) && !dflag) {
			warnx("%s: is a directory", f);
			eval = 1;
			continue;
		}
		if (!fflag && !S_ISWHT(sb.st_mode) && !check(f, f, &sb))
			continue;
		rval = 0;
		if (!uid && !S_ISWHT(sb.st_mode) &&
		    (sb.st_flags & (UF_APPEND|UF_IMMUTABLE)) &&
		    !(sb.st_flags & (SF_APPEND|SF_IMMUTABLE)))
			rval = lchflags(f, sb.st_flags & ~(UF_APPEND|UF_IMMUTABLE));
		if (rval == 0) {
			if (S_ISWHT(sb.st_mode))
				rval = undelete(f);
			else if (S_ISDIR(sb.st_mode))
				rval = rmdir(f);
			else {
				if (Pflag)
					if (!rm_overwrite(f, &sb))
						continue;
				rval = unlink(f);
			}
		}
		if (rval && (!fflag || errno != ENOENT)) {
			warn("%s", f);
			eval = 1;
		}
		if (vflag && rval == 0)
			(void)printf("%s\n", f);
		if (info && rval == 0) {
			info = 0;
			(void)printf("%s\n", f);
		}
	}
}

	void FSoundFileDecoder::Signal()
	{
		check(ThreadDecodeEvent != nullptr);
		ThreadDecodeEvent->Trigger();
	}