winsup/cygserver/transport.h

   1 /* transport.h
   2
   3    Copyright 2001, 2002, 2003, 2004 Red Hat Inc.
   4
   5    Written by Robert Collins <rbtcollins@hotmail.com>
   6
   7 This file is part of Cygwin.
   8
   9 This software is a copyrighted work licensed under the terms of the
  10 Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
  11 details. */
  12
  13 #ifndef _TRANSPORT_H
  14 #define _TRANSPORT_H
  15
  16 class transport_layer_base *create_server_transport ();
  17
  18 class transport_layer_base
  19 {
  20 public:
  21 #ifndef __INSIDE_CYGWIN__
  22   virtual int listen () = 0;
  23   virtual class transport_layer_base *accept (bool *recoverable) = 0;
  24 #endif
  25
  26   virtual void close () = 0;
  27   virtual ssize_t read (void *buf, size_t len) = 0;
  28   virtual ssize_t write (void *buf, size_t len) = 0;
  29   virtual int connect () = 0;
  30
  31 #ifndef __INSIDE_CYGWIN__
  32   virtual bool impersonate_client ();
  33   virtual bool revert_to_self ();
  34 #endif
  35
  36   virtual ~transport_layer_base ();
  37 };
  38
  39 #endif /* _TRANSPORT_H */