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1 // unwind-prot.h -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1992, 1993, 1994, 1995 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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383
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24 #if !defined (octave_unwind_prot_h) |
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25 #define octave_unwind_prot_h 1 |
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26 |
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27 #if defined (__GNUG__) |
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28 #pragma interface |
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29 #endif |
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30 |
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529
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31 #include <stddef.h> |
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32 |
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33 typedef void (*cleanup_func)(void *ptr); |
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34 |
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35 void add_unwind_protect (cleanup_func fptr, void *ptr); |
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36 void run_unwind_protect (void); |
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37 void discard_unwind_protect (void); |
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38 void begin_unwind_frame (char *tag); |
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39 void run_unwind_frame (char *tag); |
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40 void discard_unwind_frame (char *tag); |
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41 void run_all_unwind_protects (void); |
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42 void discard_all_unwind_protects (void); |
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43 |
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44 void matrix_cleanup (void *m); |
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45 void complex_matrix_cleanup (void *cm); |
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46 |
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47 void unwind_protect_int_internal (int *ptr, int value); |
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48 void unwind_protect_ptr_internal (void **ptr, void *value); |
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49 void unwind_protect_var_internal (void *ptr, void *value, size_t size); |
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50 |
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51 #define unwind_protect_int(i) \ |
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52 unwind_protect_int_internal (&(i), (i)) |
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53 |
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54 #define unwind_protect_ptr(p) \ |
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55 unwind_protect_ptr_internal ((void **) &(p), (void *) (p)) |
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56 |
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57 #define unwind_protect_var(i) \ |
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58 unwind_protect_var_internal ((void *) &(i), (void *) &(i), sizeof (int)) |
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59 |
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453
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60 class |
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61 unwind_elem |
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62 { |
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63 public: |
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64 unwind_elem (void); |
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65 unwind_elem (char *t); |
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66 unwind_elem (cleanup_func f, void *p); |
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67 unwind_elem (const unwind_elem& el); |
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68 ~unwind_elem (void); |
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69 |
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70 unwind_elem& operator = (const unwind_elem& el); |
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71 |
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72 char *tag (void); |
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73 cleanup_func fptr (void); |
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74 void *ptr (void); |
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75 |
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76 private: |
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77 char *unwind_elem_tag; |
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78 cleanup_func unwind_elem_fptr; |
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79 void *unwind_elem_ptr; |
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80 }; |
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81 |
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82 #endif |
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83 |
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84 /* |
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85 ;;; Local Variables: *** |
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86 ;;; mode: C++ *** |
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87 ;;; page-delimiter: "^/\\*" *** |
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88 ;;; End: *** |
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89 */ |
