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/* Provide a non-threads replacement for the POSIX raise function. 
 
   Copyright (C) 2002-2003, 2005-2006, 2009-2013 Free Software Foundation, Inc. 
 
   This program is free software: you can redistribute it and/or modify 
   it under the terms of the GNU General Public License as published by 
   the Free Software Foundation; either version 3 of the License, or 
   (at your option) any later version. 
 
   This program is distributed in the hope that it will be useful, 
   but WITHOUT ANY WARRANTY; without even the implied warranty of 
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
   GNU General Public License for more details. 
 
   You should have received a copy of the GNU General Public License 
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */ 
 
/* written by Jim Meyering and Bruno Haible */ 
 
#include <config.h> 
 
/* Specification.  */ 
#include <signal.h> 
 
#if HAVE_RAISE 
/* Native Windows platform.  */ 
 
# include <errno.h> 
 
# include "msvc-inval.h" 
 
# undef raise 
 
# if HAVE_MSVC_INVALID_PARAMETER_HANDLER 
static int 
raise_nothrow (int sig) 
{ 
  int result; 
 
  TRY_MSVC_INVAL 
    { 
      result = raise (sig); 
    } 
  CATCH_MSVC_INVAL 
    { 
      result = -1; 
      errno = EINVAL; 
    } 
  DONE_MSVC_INVAL; 
 
  return result; 
} 
# else 
#  define raise_nothrow raise 
# endif 
 
#else 
/* An old Unix platform.  */ 
 
# include <unistd.h> 
 
# define rpl_raise raise 
 
#endif 
 
int 
rpl_raise (int sig) 
{ 
#if GNULIB_defined_signal_blocking && GNULIB_defined_SIGPIPE 
  if (sig == SIGPIPE) 
    return _gl_raise_SIGPIPE (); 
#endif 
 
#if HAVE_RAISE 
  return raise_nothrow (sig); 
#else 
  return kill (getpid (), sig); 
#endif 
}