contrib/llvm/tools/lldb/include/lldb/Core/ConnectionSharedMemory.h

   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
  22 namespace lldb_private {
  23
  24 class ConnectionSharedMemory :
  25     public Connection
  26 {
  27 public:
  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
  59 protected:
  60
  61     std::string m_name;
  62     int m_fd;    // One buffer that contains all we need
  63     DataBufferMemoryMap m_mmap;
  64 private:
  65     DISALLOW_COPY_AND_ASSIGN (ConnectionSharedMemory);
  66 };
  67
  68 } // namespace lldb_private
  69
  70 #endif  // liblldb_ConnectionSharedMemory_h_