libstdc++-v3/include/c_shadow/signal.h

   1 // -*- C++ -*- header wrapper.
   2
   3 // Copyright (C) 1997-1999, 2000 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30
  31 #ifndef  _INCLUDED_CPP_SIGNAL_H_
  32 # define _INCLUDED_CPP_SIGNAL_H_ 1
  33
  34 # ifdef _IN_C_LEGACY_  /* sub-included by a C header */
  35       // get out of the "legacy"
  36     } // close extern "C"
  37   }   // close namespace _C_legacy::
  38 #  undef _IN_C_LEGACY_
  39 #  define _SIGNAL_NEED_C_LEGACY_
  40 # endif
  41
  42 # include <csignal>
  43
  44   // Expose global C names, including non-standard ones, but shadow
  45   // some names and types with the std:: C++ version.
  46   using std::sig_atomic_t;
  47
  48   using std::raise;
  49   using std::signal;
  50
  51 # ifdef _SIGNAL_NEED_C_LEGACY_
  52   // dive back into the "swamp"
  53   namespace _C_legacy {
  54     extern "C" {
  55 #  define _IN_C_LEGACY_
  56 #  undef _SIGNAL_NEED_C_LEGACY_
  57 #  endif /* _SIGNAL_NEED_C_LEGACY_ */
  58 #endif /* _INCLUDED_CPP_SIGNAL_H_ */