Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/examples/Kaleidoscope/BuildingAJIT/Chapter5/RemoteJITUtils.h

@@ -1,76 +0,0 @@
-//===-- RemoteJITUtils.h - Utilities for remote-JITing with LLI -*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Utilities for remote-JITing with LLI.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_TOOLS_LLI_REMOTEJITUTILS_H
-#define LLVM_TOOLS_LLI_REMOTEJITUTILS_H
-
-#include "llvm/ExecutionEngine/Orc/RawByteChannel.h"
-#include "llvm/Support/Error.h"
-#include <cassert>
-#include <cerrno>
-#include <system_error>
-
-#if !defined(_MSC_VER) && !defined(__MINGW32__)
-#include <unistd.h>
-#else
-#include <io.h>
-#endif
-
-/// RPC channel that reads from and writes from file descriptors.
-class FDRPCChannel final : public llvm::orc::rpc::RawByteChannel {
-public:
-  FDRPCChannel(int InFD, int OutFD) : InFD(InFD), OutFD(OutFD) {}
-
-  llvm::Error readBytes(char *Dst, unsigned Size) override {
-    assert(Dst && "Attempt to read into null.");
-    ssize_t Completed = 0;
-    while (Completed < static_cast<ssize_t>(Size)) {
-      ssize_t Read = ::read(InFD, Dst + Completed, Size - Completed);
-      if (Read <= 0) {
-        auto ErrNo = errno;
-        if (ErrNo == EAGAIN || ErrNo == EINTR)
-          continue;
-        else
-          return llvm::errorCodeToError(
-                   std::error_code(errno, std::generic_category()));
-      }
-      Completed += Read;
-    }
-    return llvm::Error::success();
-  }
-
-  llvm::Error appendBytes(const char *Src, unsigned Size) override {
-    assert(Src && "Attempt to append from null.");
-    ssize_t Completed = 0;
-    while (Completed < static_cast<ssize_t>(Size)) {
-      ssize_t Written = ::write(OutFD, Src + Completed, Size - Completed);
-      if (Written < 0) {
-        auto ErrNo = errno;
-        if (ErrNo == EAGAIN || ErrNo == EINTR)
-          continue;
-        else
-          return llvm::errorCodeToError(
-                   std::error_code(errno, std::generic_category()));
-      }
-      Completed += Written;
-    }
-    return llvm::Error::success();
-  }
-
-  llvm::Error send() override { return llvm::Error::success(); }
-
-private:
-  int InFD, OutFD;
-};
-
-#endif // LLVM_TOOLS_LLI_REMOTEJITUTILS_H