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
35static int
36raise_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
66int
67rpl_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