1 files changed, 74 insertions, 0 deletions
diff --git a/include/lldb/Host/windows/PipeWindows.h b/include/lldb/Host/windows/PipeWindows.h
new file mode 100644
index 0000000000000..7170c7c368151
--- /dev/null
+++ b/include/lldb/Host/windows/PipeWindows.h
@@ -0,0 +1,74 @@
+//===-- PipePosix.h ---------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_Host_windows_PipeWindows_h_
+#define liblldb_Host_windows_PipeWindows_h_
+
+#include "lldb/Host/PipeBase.h"
+#include "lldb/Host/windows/windows.h"
+
+namespace lldb_private
+{
+
+//----------------------------------------------------------------------
+/// @class Pipe PipeWindows.h "lldb/Host/windows/PipeWindows.h"
+/// @brief A windows-based implementation of Pipe, a class that abtracts
+///        unix style pipes.
+///
+/// A class that abstracts the LLDB core from host pipe functionality.
+//----------------------------------------------------------------------
+class PipeWindows : public PipeBase
+{
+  public:
+    PipeWindows();
+    ~PipeWindows() override;
+
+    Error CreateNew(bool child_process_inherit) override;
+    Error CreateNew(llvm::StringRef name, bool child_process_inherit) override;
+    Error CreateWithUniqueName(llvm::StringRef prefix, bool child_process_inherit, llvm::SmallVectorImpl<char>& name) override;
+    Error OpenAsReader(llvm::StringRef name, bool child_process_inherit) override;
+    Error OpenAsWriterWithTimeout(llvm::StringRef name, bool child_process_inherit, const std::chrono::microseconds &timeout) override;
+
+    bool CanRead() const override;
+    bool CanWrite() const override;
+
+    int GetReadFileDescriptor() const override;
+    int GetWriteFileDescriptor() const override;
+    int ReleaseReadFileDescriptor() override;
+    int ReleaseWriteFileDescriptor() override;
+    void CloseReadFileDescriptor() override;
+    void CloseWriteFileDescriptor() override;
+
+    void Close() override;
+
+    Error Delete(llvm::StringRef name) override;
+
+    Error Write(const void *buf, size_t size, size_t &bytes_written) override;
+    Error ReadWithTimeout(void *buf, size_t size, const std::chrono::microseconds &timeout, size_t &bytes_read) override;
+
+    // PipeWindows specific methods.  These allow access to the underlying OS handle.
+    HANDLE GetReadNativeHandle();
+    HANDLE GetWriteNativeHandle();
+
+  private:
+    Error OpenNamedPipe(llvm::StringRef name, bool child_process_inherit, bool is_read);
+
+    HANDLE m_read;
+    HANDLE m_write;
+
+    int m_read_fd;
+    int m_write_fd;
+
+    OVERLAPPED m_read_overlapped;
+    OVERLAPPED m_write_overlapped;
+};
+
+} // namespace lldb_private
+
+#endif // liblldb_Host_posix_PipePosix_h_