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//===-- 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_
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