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annotate libinterp/corefcn/sighandlers.h @ 22049:ccf50f029999

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move octave_child_list to separate file and define inside namespace * liboctave/system/child-list.cc, liboctave/system/child-list.h: New files. * liboctave/system/module.mk: Update. * sighandlers.h, sighandlers.cc: Move octave_child and octave_child_list classes to separate files in liboctave and defined inside the octave namespace. Change all uses.
author John W. Eaton <jwe@octave.org>
date Wed, 06 Jul 2016 14:57:54 -0400
parents 3ff59d4f9411
children 6db928d06b07
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1 /*
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2
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4197fc428c7d maint: Update copyright notices for 2015.
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3 Copyright (C) 1993-2015 John W. Eaton
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5 This file is part of Octave.
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6
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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21 */
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23 /*
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24
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25 The signal blocking macros defined below were adapted from similar
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26 functions from GNU Bash, the Bourne Again SHell, copyright (C) 1994
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27 Free Software Foundation, Inc.
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29 */
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30
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31 // This file should always be included after config.h!
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32
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33 #if ! defined (octave_sighandlers_h)
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34 #define octave_sighandlers_h 1
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35
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36 #include "octave-config.h"
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37
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38 #include "child-list.h"
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39
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40 // FIXME: the data should probably be private...
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41
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42 typedef void octave_sig_handler (int);
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43
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44 struct
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45 octave_interrupt_handler
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46 {
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47 octave_sig_handler *int_handler;
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48 octave_sig_handler *brk_handler;
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49 };
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51 // Nonzero means we have already printed a message for this series of
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52 // SIGPIPES. We assume that the writer will eventually give up.
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53 extern int pipe_handler_error_count;
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54
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55 // TRUE means we can be interrupted.
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56 extern OCTINTERP_API bool can_interrupt;
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58 extern OCTINTERP_API octave_sig_handler *
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59 octave_set_signal_handler (int sig, octave_sig_handler *,
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60 bool restart_syscalls = true);
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61
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62 extern OCTINTERP_API octave_sig_handler *
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63 octave_set_signal_handler (const char *signame, octave_sig_handler *,
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64 bool restart_syscalls = true);
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66 extern OCTINTERP_API void install_signal_handlers (void);
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67
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68 extern OCTINTERP_API void octave_signal_handler (void);
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70 extern OCTINTERP_API octave_interrupt_handler octave_catch_interrupts (void);
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72 extern OCTINTERP_API octave_interrupt_handler octave_ignore_interrupts (void);
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74 extern OCTINTERP_API octave_interrupt_handler
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75 octave_set_interrupt_handler (const volatile octave_interrupt_handler&,
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76 bool restart_syscalls = true);
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78 // extern void ignore_sigchld (void);
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79
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80 // TRUE means we should try to enter the debugger on SIGINT.
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81 extern OCTINTERP_API bool Vdebug_on_interrupt;
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82
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83 #endif