annotate src/vdb-win32.c @ 5191:71ee43b8a74d

Add #'equalp as a hash test by default; add #'define-hash-table-test, GNU API tests/ChangeLog addition: 2010-04-05 Aidan Kehoe <kehoea@parhasard.net> * automated/hash-table-tests.el: Test the new built-in #'equalp hash table test. Test #'define-hash-table-test. * automated/lisp-tests.el: When asserting that two objects are #'equalp, also assert that their #'equalp-hash is identical. man/ChangeLog addition: 2010-04-03 Aidan Kehoe <kehoea@parhasard.net> * lispref/hash-tables.texi (Introduction to Hash Tables): Document that we now support #'equalp as a hash table test by default, and mention #'define-hash-table-test. (Working With Hash Tables): Document #'define-hash-table-test. src/ChangeLog addition: 2010-04-05 Aidan Kehoe <kehoea@parhasard.net> * elhash.h: * elhash.c (struct Hash_Table_Test, lisp_object_eql_equal) (lisp_object_eql_hash, lisp_object_equal_equal) (lisp_object_equal_hash, lisp_object_equalp_hash) (lisp_object_equalp_equal, lisp_object_general_hash) (lisp_object_general_equal, Feq_hash, Feql_hash, Fequal_hash) (Fequalp_hash, define_hash_table_test, Fdefine_hash_table_test) (init_elhash_once_early, mark_hash_table_tests, string_equalp_hash): * glyphs.c (vars_of_glyphs): Add a new hash table test in C, #'equalp. Make it possible to specify new hash table tests with functions define_hash_table_test, #'define-hash-table-test. Use define_hash_table_test() in glyphs.c. Expose the hash functions (besides that used for #'equal) to Lisp, for people writing functions to be used with #'define-hash-table-test. Call define_hash_table_test() very early in temacs, to create the built-in hash table tests. * ui-gtk.c (emacs_gtk_boxed_hash): * specifier.h (struct specifier_methods): * specifier.c (specifier_hash): * rangetab.c (range_table_entry_hash, range_table_hash): * number.c (bignum_hash, ratio_hash, bigfloat_hash): * marker.c (marker_hash): * lrecord.h (struct lrecord_implementation): * keymap.c (keymap_hash): * gui.c (gui_item_id_hash, gui_item_hash): * glyphs.c (image_instance_hash, glyph_hash): * glyphs-x.c (x_image_instance_hash): * glyphs-msw.c (mswindows_image_instance_hash): * glyphs-gtk.c (gtk_image_instance_hash): * frame-msw.c (mswindows_set_title_from_ibyte): * fontcolor.c (color_instance_hash, font_instance_hash): * fontcolor-x.c (x_color_instance_hash): * fontcolor-tty.c (tty_color_instance_hash): * fontcolor-msw.c (mswindows_color_instance_hash): * fontcolor-gtk.c (gtk_color_instance_hash): * fns.c (bit_vector_hash): * floatfns.c (float_hash): * faces.c (face_hash): * extents.c (extent_hash): * events.c (event_hash): * data.c (weak_list_hash, weak_box_hash): * chartab.c (char_table_entry_hash, char_table_hash): * bytecode.c (compiled_function_hash): * alloc.c (vector_hash): Change the various object hash methods to take a new EQUALP parameter, hashing appropriately for #'equalp if it is true.
author Aidan Kehoe <kehoea@parhasard.net>
date Mon, 05 Apr 2010 13:03:35 +0100
parents f395ee7ad844
children 308d34e9f07d
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rev   line source
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1 /* Virtual diry bit implementation for XEmacs.
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2 Copyright (C) 2005 Marcus Crestani.
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: Not in FSF. */
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22
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23 #include <config.h>
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24 #include "lisp.h"
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25 #include "gc.h"
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26 #include "mc-alloc.h"
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27 #include "vdb.h"
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28
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29 #include "syswindows.h"
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30
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31
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32 static LONG WINAPI
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33 win32_fault_handler (LPEXCEPTION_POINTERS e)
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34 {
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35 #define GET_FAULT_ADDRESS (void *) e->ExceptionRecord->ExceptionInformation[1]
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36 if ((e->ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION)
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37 && (e->ExceptionRecord->ExceptionInformation[0] == 1)
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38 && write_barrier_enabled
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39 && (fault_on_protected_page (GET_FAULT_ADDRESS)))
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40 {
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41 vdb_designate_modified (GET_FAULT_ADDRESS);
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42 unprotect_page_and_mark_dirty (GET_FAULT_ADDRESS);
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43 return EXCEPTION_CONTINUE_EXECUTION;
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44 }
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45 else
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46 return EXCEPTION_CONTINUE_SEARCH;
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47 }
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48
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49 typedef LONG (WINAPI *gcPVECTORED_EXCEPTION_HANDLER) (LPEXCEPTION_POINTERS e);
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50
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51
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52 void
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53 vdb_install_signal_handler (void)
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54 {
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55 HMODULE hm;
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56 PVOID (WINAPI *aveh) (ULONG, gcPVECTORED_EXCEPTION_HANDLER);
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57
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58 /* See init_signals_very_early () in signal.c. */
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59 if (noninteractive && !initialized)
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60 {
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61 allow_incremental_gc = 0;
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62 return;
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63 }
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64
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65 hm = qxeGetModuleHandle (XETEXT ("kernel32"));
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66 if (hm)
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67 aveh = (PVOID (WINAPI *) (ULONG, gcPVECTORED_EXCEPTION_HANDLER))
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68 GetProcAddress (hm, "AddVectoredExceptionHandler");
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69 else
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70 {
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71 fprintf (stderr, "\nFAILED TO LOAD LIBRARY\n");
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72 aveh = NULL;
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73 }
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74 if (aveh)
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75 {
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76 allow_incremental_gc = 1;
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77 aveh (TRUE, win32_fault_handler);
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78 }
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79 else
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80 {
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81 fprintf (stderr, "\nFAILED TO INSTALL SIGNAL HANDLER\n");
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82 ABORT ();
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83 }
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84 }
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85
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86
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87 void
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88 vdb_protect (void *ptr, EMACS_INT len)
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89 {
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90 DWORD old;
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91 VirtualProtect (ptr, len, PAGE_READONLY, &old);
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92 }
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93
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94
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95 void
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96 vdb_unprotect (void *ptr, EMACS_INT len)
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97 {
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98 DWORD old;
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99 VirtualProtect (ptr, len, PAGE_READWRITE, &old);
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100 }