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Annotation of embedaddon/libiconv/srclib/raise.c, revision 1.1.1.1

1.1       misho       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