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 | |
18 | namespace lldb_private { |
19 | |
20 | class IOObject { |
21 | public: |
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; |
30 | static const WaitableHandle kInvalidHandleValue; |
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 | |
42 | virtual WaitableHandle GetWaitableHandle() = 0; |
43 | |
44 | protected: |
45 | FDType m_fd_type; |
46 | |
47 | private: |
48 | IOObject(const IOObject &) = delete; |
49 | const IOObject &operator=(const IOObject &) = delete; |
50 | }; |
51 | } // namespace lldb_private |
52 | |
53 | #endif |
54 | |