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annotate lib/raise.c @ 16201:8250f2777afc

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maint: update all copyright year number ranges Run "make update-copyright".
author Jim Meyering <meyering@redhat.com>
date Sun, 01 Jan 2012 10:04:58 +0100
parents 13eba3ca057f
children d7a44f0f7a15
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1 /* Provide a non-threads replacement for the POSIX raise function.
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2
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3 Copyright (C) 2002-2003, 2005-2006, 2009-2012 Free Software Foundation, Inc.
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4
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5 This program is free software: you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 3 of the License, or
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8 (at your option) any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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17
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18 /* written by Jim Meyering and Bruno Haible */
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19
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20 #include <config.h>
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21
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22 /* Specification. */
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23 #include <signal.h>
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24
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25 #if HAVE_RAISE
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26 /* Native Windows platform. */
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27
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28 # include <errno.h>
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29
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30 # include "msvc-inval.h"
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31
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32 # undef raise
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33
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34 # if HAVE_MSVC_INVALID_PARAMETER_HANDLER
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35 static inline int
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36 raise_nothrow (int sig)
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37 {
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38 int result;
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39
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40 TRY_MSVC_INVAL
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41 {
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42 result = raise (sig);
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43 }
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44 CATCH_MSVC_INVAL
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45 {
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46 result = -1;
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47 errno = EINVAL;
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48 }
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49 DONE_MSVC_INVAL;
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50
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51 return result;
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52 }
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53 # else
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54 # define raise_nothrow raise
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55 # endif
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56
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57 #else
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58 /* An old Unix platform. */
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59
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60 # include <unistd.h>
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61
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62 # define rpl_raise raise
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63
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64 #endif
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65
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66 int
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67 rpl_raise (int sig)
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68 {
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69 #if GNULIB_defined_signal_blocking && GNULIB_defined_SIGPIPE
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70 if (sig == SIGPIPE)
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71 return _gl_raise_SIGPIPE ();
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72 #endif
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73
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74 #if HAVE_RAISE
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75 return raise_nothrow (sig);
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76 #else
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77 return kill (getpid (), sig);
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78 #endif
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79 }