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1 // utils.cc -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1992, 1993 John W. Eaton |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 2, or (at your option) any |
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11 later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, write to the Free |
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20 Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 |
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22 */ |
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23 |
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24 #include <sys/types.h> |
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25 #include <unistd.h> |
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26 #include <signal.h> |
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27 #include <stdlib.h> |
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28 |
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29 #include "f77-uscore.h" |
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30 |
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31 /* |
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32 * All the STOP statements in the Fortran routines have been replaced |
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33 * with a call to XSTOPX, defined in the file libcruft/misc/xstopx.f. |
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34 * |
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35 * The XSTOPX function calls this function, which will send a SIGINT |
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36 * signal to the program that invoked it. |
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37 * |
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38 * Octave\'s SIGINT signal handler calls jump_to_top_level(), and the |
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39 * user will end up at the top level instead of the shell prompt. |
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40 * |
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41 * Programs that don\'t handle SIGINT will be interrupted. |
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42 */ |
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43 |
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44 extern "C" |
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45 { |
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46 |
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47 volatile void |
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48 #if defined (F77_APPEND_UNDERSCORE) |
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49 do_stop_ (void) |
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50 #else |
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51 do_stop (void) |
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52 #endif |
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53 { |
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54 kill (getpid (), SIGINT); |
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55 abort (); |
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56 } |
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57 } |
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58 |
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59 /* |
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60 ;;; Local Variables: *** |
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61 ;;; mode: C++ *** |
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62 ;;; page-delimiter: "^/\\*" *** |
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63 ;;; End: *** |
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64 */ |
