ceph/src/boost/libs/asio/doc/requirements/IoControlCommand.qbk

   1 [/
   2  / Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   3  /
   4  / Distributed under the Boost Software License, Version 1.0. (See accompanying
   5  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6  /]
   7
   8 [section:IoControlCommand I/O control command requirements]
   9
  10 In the table below, `X` denotes an I/O control command class, `a` denotes a
  11 value of `X`, and `u` denotes an identifier.
  12
  13 [table IoControlCommand requirements
  14   [[expression] [type] [assertion/note\npre/post-conditions]]
  15   [
  16     [`a.name();`]
  17     [`int`]
  18     [
  19       Returns a value suitable for passing as the /request/ argument to
  20       __POSIX__ __ioctl__ (or equivalent).
  21     ]
  22   ]
  23   [
  24     [`a.data();`]
  25     [a pointer, convertible to `void*`]
  26     [
  27     ]
  28   ]
  29 ]
  30
  31 [endsect]