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IOObject.h
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1//===-- IOObject.h ----------------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLDB_UTILITY_IOOBJECT_H
10#define LLDB_UTILITY_IOOBJECT_H
11
12#include <cstdarg>
13#include <cstdio>
14#include <sys/types.h>
15
16#include "lldb/lldb-private.h"
17
18namespace lldb_private {
19
20class IOObject {
21public:
22 enum FDType {
23 eFDTypeFile, // Other FD requiring read/write
24 eFDTypeSocket, // Socket requiring send/recv
25 };
26
27 // TODO: On Windows this should be a HANDLE, and wait should use
28 // WaitForMultipleObjects
29 typedef int WaitableHandle;
31
32 IOObject(FDType type) : m_fd_type(type) {}
33 virtual ~IOObject();
34
35 virtual Status Read(void *buf, size_t &num_bytes) = 0;
36 virtual Status Write(const void *buf, size_t &num_bytes) = 0;
37 virtual bool IsValid() const = 0;
38 virtual Status Close() = 0;
39
40 FDType GetFdType() const { return m_fd_type; }
41
43
44protected:
46
47private:
48 IOObject(const IOObject &) = delete;
49 const IOObject &operator=(const IOObject &) = delete;
50};
51} // namespace lldb_private
52
53#endif
IOObject(const IOObject &)=delete
virtual bool IsValid() const =0
virtual Status Close()=0
virtual WaitableHandle GetWaitableHandle()=0
IOObject(FDType type)
Definition: IOObject.h:32
virtual Status Read(void *buf, size_t &num_bytes)=0
virtual Status Write(const void *buf, size_t &num_bytes)=0
static const WaitableHandle kInvalidHandleValue
Definition: IOObject.h:30
const IOObject & operator=(const IOObject &)=delete
FDType GetFdType() const
Definition: IOObject.h:40
An error handling class.
Definition: Status.h:44
A class that represents a running process on the host machine.