186   MemoryBufferMMapFile(bool RequiresNullTerminator, int FD, uint64_t Len,  in MemoryBufferMMapFile()  argument
188       : MFR(FD, MB::Mapmode, getLegalMapSize(Len, Offset),  in MemoryBufferMMapFile()
212 getMemoryBufferForStream(int FD, const Twine &BufferName) {  in getMemoryBufferForStream()  argument
219     ReadBytes = sys::RetryAfterSignal(-1, ::read, FD, Buffer.end(), ChunkSize);  in getMemoryBufferForStream()
238 getOpenFileImpl(int FD, const Twine &Filename, uint64_t FileSize,
246   int FD;  in getFileAux()  local
247   std::error_code EC = sys::fs::openFileForRead(Filename, FD, sys::fs::OF_None);  in getFileAux()
252   auto Ret = getOpenFileImpl<MB>(FD, Filename, FileSize, MapSize, Offset,  in getFileAux()
254   close(FD);  in getFileAux()
308 static bool shouldUseMmap(int FD,  in shouldUseMmap()  argument
335     if (sys::fs::status(FD, Status))  in shouldUseMmap()
366   int FD;  in getReadWriteFile()  local
368       Filename, FD, sys::fs::CD_OpenExisting, sys::fs::OF_None);  in getReadWriteFile()
379       std::error_code EC = sys::fs::status(FD, Status);  in getReadWriteFile()
397           MemoryBufferMMapFile<WriteThroughMemoryBuffer>(false, FD, MapSize,  in getReadWriteFile()
418 getOpenFileImpl(int FD, const Twine &Filename, uint64_t FileSize,  in getOpenFileImpl()  argument
429       std::error_code EC = sys::fs::status(FD, Status);  in getOpenFileImpl()
439         return getMemoryBufferForStream(FD, Filename);  in getOpenFileImpl()
446   if (shouldUseMmap(FD, FileSize, MapSize, Offset, RequiresNullTerminator,  in getOpenFileImpl()
451             RequiresNullTerminator, FD, MapSize, Offset, EC));  in getOpenFileImpl()
467   if (lseek(FD, Offset, SEEK_SET) == -1)  in getOpenFileImpl()
473     ssize_t NumRead = sys::RetryAfterSignal(-1, ::pread, FD, BufPtr, BytesLeft,  in getOpenFileImpl()
476     ssize_t NumRead = sys::RetryAfterSignal(-1, ::read, FD, BufPtr, BytesLeft);  in getOpenFileImpl()
494 MemoryBuffer::getOpenFile(int FD, const Twine &Filename, uint64_t FileSize,  in getOpenFile()  argument
496   return getOpenFileImpl<MemoryBuffer>(FD, Filename, FileSize, FileSize, 0,  in getOpenFile()
501 MemoryBuffer::getOpenFileSlice(int FD, const Twine &Filename, uint64_t MapSize,  in getOpenFileSlice()  argument
504   return getOpenFileImpl<MemoryBuffer>(FD, Filename, -1, MapSize, Offset, false,  in getOpenFileSlice()
520   int FD;  in getFileAsStream()  local
521   std::error_code EC = sys::fs::openFileForRead(Filename, FD, sys::fs::OF_None);  in getFileAsStream()
525       getMemoryBufferForStream(FD, Filename);  in getFileAsStream()
526   close(FD);  in getFileAsStream()