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      1 /* Provide a non-threads replacement for the POSIX raise function.
      2 
      3    Copyright (C) 2002-2003, 2005-2006, 2009-2012 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 <http://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 # include "msvc-inval.h"
     31 
     32 # undef raise
     33 
     34 # if HAVE_MSVC_INVALID_PARAMETER_HANDLER
     35 static int
     36 raise_nothrow (int sig)
     37 {
     38   int result;
     39 
     40   TRY_MSVC_INVAL
     41     {
     42       result = raise (sig);
     43     }
     44   CATCH_MSVC_INVAL
     45     {
     46       result = -1;
     47       errno = EINVAL;
     48     }
     49   DONE_MSVC_INVAL;
     50 
     51   return result;
     52 }
     53 # else
     54 #  define raise_nothrow raise
     55 # endif
     56 
     57 #else
     58 /* An old Unix platform.  */
     59 
     60 # include <unistd.h>
     61 
     62 # define rpl_raise raise
     63 
     64 #endif
     65 
     66 int
     67 rpl_raise (int sig)
     68 {
     69 #if GNULIB_defined_signal_blocking && GNULIB_defined_SIGPIPE
     70   if (sig == SIGPIPE)
     71     return _gl_raise_SIGPIPE ();
     72 #endif
     73 
     74 #if HAVE_RAISE
     75   return raise_nothrow (sig);
     76 #else
     77   return kill (getpid (), sig);
     78 #endif
     79 }
     80