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libiconv 1.16

    1: /* Provide a non-threads replacement for the POSIX raise function.
    2: 
    3:    Copyright (C) 2002-2003, 2005-2006, 2009-2019 Free Software Foundation, Inc.
    4: 
    5:    This program is free software: you can redistribute it and/or modify
    6:    it under the terms of the GNU General Public License as published by
    7:    the Free Software Foundation; either version 3 of the License, or
    8:    (at your option) any later version.
    9: 
   10:    This program is distributed in the hope that it will be useful,
   11:    but WITHOUT ANY WARRANTY; without even the implied warranty of
   12:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   13:    GNU General Public License for more details.
   14: 
   15:    You should have received a copy of the GNU General Public License
   16:    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
   17: 
   18: /* written by Jim Meyering and Bruno Haible */
   19: 
   20: #include <config.h>
   21: 
   22: /* Specification.  */
   23: #include <signal.h>
   24: 
   25: #if HAVE_RAISE
   26: /* Native Windows platform.  */
   27: 
   28: # include <errno.h>
   29: 
   30: # if HAVE_MSVC_INVALID_PARAMETER_HANDLER
   31: #  include "msvc-inval.h"
   32: # endif
   33: 
   34: # if HAVE_MSVC_INVALID_PARAMETER_HANDLER
   35: /* Forward declaration.  */
   36: static int raise_nothrow (int sig);
   37: # else
   38: #  define raise_nothrow raise
   39: # endif
   40: 
   41: #else
   42: /* An old Unix platform.  */
   43: 
   44: # include <unistd.h>
   45: 
   46: #endif
   47: 
   48: int
   49: raise (int sig)
   50: #undef raise
   51: {
   52: #if GNULIB_defined_signal_blocking && GNULIB_defined_SIGPIPE
   53:   if (sig == SIGPIPE)
   54:     return _gl_raise_SIGPIPE ();
   55: #endif
   56: 
   57: #if HAVE_RAISE
   58:   return raise_nothrow (sig);
   59: #else
   60:   return kill (getpid (), sig);
   61: #endif
   62: }
   63: 
   64: #if HAVE_RAISE && HAVE_MSVC_INVALID_PARAMETER_HANDLER
   65: static int
   66: raise_nothrow (int sig)
   67: {
   68:   int result;
   69: 
   70:   TRY_MSVC_INVAL
   71:     {
   72:       result = raise (sig);
   73:     }
   74:   CATCH_MSVC_INVAL
   75:     {
   76:       result = -1;
   77:       errno = EINVAL;
   78:     }
   79:   DONE_MSVC_INVAL;
   80: 
   81:   return result;
   82: }
   83: #endif