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//===-- IOObject.h ----------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLDB_UTILITY_IOOBJECT_H
#define LLDB_UTILITY_IOOBJECT_H
#include <cstdarg>
#include <cstdio>
#include <sys/types.h>
#include "lldb/lldb-private.h"
namespace lldb_private {
class IOObject {
public:
enum FDType {
eFDTypeFile, // Other FD requiring read/write
eFDTypeSocket, // Socket requiring send/recv
};
// TODO: On Windows this should be a HANDLE, and wait should use
// WaitForMultipleObjects
typedef int WaitableHandle;
static const WaitableHandle kInvalidHandleValue;
IOObject(FDType type) : m_fd_type(type) {}
virtual ~IOObject();
virtual Status Read(void *buf, size_t &num_bytes) = 0;
virtual Status Write(const void *buf, size_t &num_bytes) = 0;
virtual bool IsValid() const = 0;
virtual Status Close() = 0;
FDType GetFdType() const { return m_fd_type; }
virtual WaitableHandle GetWaitableHandle() = 0;
protected:
FDType m_fd_type;
private:
IOObject(const IOObject &) = delete;
const IOObject &operator=(const IOObject &) = delete;
};
} // namespace lldb_private
#endif
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