1//===-- ConnectionSharedMemory.h --------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef liblldb_ConnectionSharedMemory_h_
11#define liblldb_ConnectionSharedMemory_h_
12
13// C Includes
14// C++ Includes
15#include <string>
16
17// Other libraries and framework includes
18// Project includes
19#include "lldb/Core/Connection.h"
20#include "lldb/Core/DataBufferMemoryMap.h"
21
22namespace lldb_private {
23
24class ConnectionSharedMemory :
25    public Connection
26{
27public:
28
29    ConnectionSharedMemory ();
30
31    virtual
32    ~ConnectionSharedMemory ();
33
34    virtual bool
35    IsConnected () const;
36
37    virtual lldb::ConnectionStatus
38    BytesAvailable (uint32_t timeout_usec, Error *error_ptr);
39
40    virtual lldb::ConnectionStatus
41    Connect (const char *s, Error *error_ptr);
42
43    virtual lldb::ConnectionStatus
44    Disconnect (Error *error_ptr);
45
46    virtual size_t
47    Read (void *dst,
48          size_t dst_len,
49          uint32_t timeout_usec,
50          lldb::ConnectionStatus &status,
51          Error *error_ptr);
52
53    virtual size_t
54    Write (const void *src, size_t src_len, lldb::ConnectionStatus &status, Error *error_ptr);
55
56    lldb::ConnectionStatus
57    Open (bool create, const char *name, size_t size, Error *error_ptr);
58
59protected:
60
61    std::string m_name;
62    int m_fd;    // One buffer that contains all we need
63    DataBufferMemoryMap m_mmap;
64private:
65    DISALLOW_COPY_AND_ASSIGN (ConnectionSharedMemory);
66};
67
68} // namespace lldb_private
69
70#endif  // liblldb_ConnectionSharedMemory_h_
71