1. 02 Jun, 2019 1 commit
    • YAMAMOTO Mitsuharu's avatar
      Make fthbfont and derivatives use common HarfBuzz code in hbfont.c · 1ab69630
      YAMAMOTO Mitsuharu authored
      * src/font.h (fthbfont_shape, fthbfont_combining_capability)
      [HAVE_HARFBUZZ]: Remove prototypes.
      
      * src/ftfont.c: Don't include math.h.
      (uni_combining, uni_general, uni_mirroring, get_hb_unicode_funcs)
      (fthbfont_shape_by_hb, fthbfont_combining_capability, fthbfont_shape)
      [HAVE_HARFBUZZ]: Remove functions.
      
      * src/ftfont.c (syms_of_ftfont_for_pdumper) [HAVE_HARFBUZZ]:
      * src/xftfont.c (syms_of_xftfont_for_pdumper) [HAVE_HARFBUZZ]:
      * src/ftcrfont.c (syms_of_ftcrfont_for_pdumper) [HAVE_HARFBUZZ]: Use
      hbfont_shape and hbfont_combining_capability for fthbfont_shape and
      fthbfont_combining_capability, respectively.
      1ab69630
  2. 20 May, 2019 1 commit
    • Alexander Gramiak's avatar
      Replace XChar2b with unsigned in all font backends · a4fe9c70
      Alexander Gramiak authored
      The xfont backend using XChar2b in its API doesn't mean that we should
      use it everywhere else.
      
      * src/dispextern.h (glyph_string):
      * src/ftcrfont.c (ftcrfont_draw):
      * src/ftxfont.c (ftxfont_draw):
      * src/w32term.c (w32_draw_glyphless_glyph_string_foreground):
      * src/xdisp.c (init_glyph_string, get_char_face_and_encoding)
      (get_glyph_face_and_encoding, get_char_glyph_code)
      (fill_gstring_glyph_string, fill_stretch_glyph_string)
      (normal_char_ascent_descent, gui_get_glyph_overhangs)
      (compute_overhangs_and_x, gui_produce_glyphs):
      * src/xfont.c (xfont_get_pcm, xfont_chars_supported, xfont_open)
      (xfont_encode_char, xfont_text_extents, xfont_draw)
      * src/xftfont.c (xftfont_draw):
      * src/xterm.c (x_compute_glyph_string_overhangs)
      (x_draw_glyphless_glyph_string_foreground): Use unsigned over XChar2b.
      
      * src/nsgui.h:
      * src/w32gui.h:
      * src/xterm.h: Remove XChar2b, STORE_XCHAR2B, XCHAR2B_BYTE1, and
      XCHAR2B_BYTE2 typedefs and macros.
      
      * src/font.h (font_driver):
      (ftfont_text_extents)
      * src/ftcrfont.c (ftcrfont_text_extents):
      * src/ftfont.c (ftfont_text_extents):
      * src/macfont.m (macfont_text_extents):
      * src/nsfont.m (nsfont_text_extents):
      * src/w32font.h (w32_font_text_extents):
      * src/font.c (xfont_text_extents):
      * src/xftfont.c (xftfont_text_extents): Make code parameter const.
      a4fe9c70
  3. 04 May, 2019 1 commit
    • YAMAMOTO Mitsuharu's avatar
      Add new font backend drivers for text shaping by HarfBuzz · f208d5ae
      YAMAMOTO Mitsuharu authored
      * etc/NEWS: Mention new font backend drivers xfthb and ftcrhb.
      
      * src/font.h [HAVE_HARFBUZZ]: Include hb.h.
      (struct font_driver) [HAVE_HARFBUZZ]: New members begin_hb_font and
      end_hb_font.
      (ftfont_match, ftfont_list): Remove externs.
      (ftfont_match2, ftfont_list2):
      (fthbfont_combining_capability, fthbfont_begin_hb_font)
      (fthbfont_shape) [HAVE_HARFBUZZ]:
      (xfthbfont_driver) [HAVE_XFT && HAVE_HARFBUZZ]:
      (ftcrhbfont_driver) [USE_CAIRO && HAVE_HARFBUZZ]: Add externs.
      
      * src/ftcrfont.c (ftcrfont_list): Use ftfont_list2.
      (ftcrfont_match): Use ftfont_match2.
      (ftcrfont_open): Get font type from entity.
      (ftcrfont_open) [HAVE_HARFBUZZ]: Use HarfBuzz version of driver if specified.
      (ftcrfont_shape) [HAVE_HARFBUZZ]: Make shaping fail.
      (ftcrhbfont_list, ftcrhbfont_match)
      (ftcrhbfont_begin_hb_font) [HAVE_HARFBUZZ]: New functions.
      (ftcrhbfont_driver) [HAVE_HARFBUZZ]: New variable.
      (syms_of_ftcrfont_for_pdumper) [HAVE_HARFBUZZ]: Initialize and register it.
      (syms_of_ftcrfont) [HAVE_HARFBUZZ]: New symbol Qftcrhb.
      
      * src/ftfont.c: Include math.h for lround.
      (fthbfont_driver) [HAVE_HARFBUZZ]: New variable.
      (ftfont_get_hb_font) [HAVE_HARFBUZZ]: Remove function.
      (ftfont_list, ftfont_match): Make static.
      (ftfont_list2, ftfont_match2): New functions.
      (ftfont_open2) [HAVE_HARFBUZZ]: Use HarfBuzz version of driver if specified.
      (ftfont_open): Get font type from entity.
      (ftfont_shape, ftfont_combining_capability, ftfont_driver) [HAVE_HARFBUZZ]:
      Move HarfBuzz specific part from here ...
      (fthbfont_shape, fthbfont_combining_capability)
      (fthbfont_driver) [HAVE_HARFBUZZ]: ... to here.   New functions and variable.
      (fthbfont_begin_hb_font) [HAVE_HARFBUZZ]: New function.
      (fthbfont_shape_by_hb) [HAVE_HARFBUZZ]: Rename from ftfont_shape_by_hb.
      Don't take FreeType specific arguments ft_face and matrix.  Use begin_hb_font
      and end_hb_font font driver functions.  Use text_extents font driver functions
      instead of ftfont_glyph_metrics.
      (syms_of_ftfont) [HAVE_HARFBUZZ]: New symbol Qfreetypehb.
      (syms_of_ftfont_for_pdumper) [HAVE_HARFBUZZ]: Initialize and register
      fthbfont_drivert.
      
      * src/ftxfont.c (ftxfont_list): Use ftfont_list2.
      (ftxfont_match): Use ftfont_match2.
      (ftxfont_driver) [HAVE_HARFBUZZ]: Don't initialize shape member explicitly.
      
      * src/xfns.c (Fx_create_frame) [USE_CAIRO && HAVE_HARFBUZZ]:
      (Fx_create_frame) [HAVE_XFT && HAVE_HARFBUZZ]: Register HarfBuzz versions of
      font drivers.
      
      * src/xftfont.c (xftfont_list): Use ftfont_list2.
      (xftfont_match): Use ftfont_match2.
      (xftfont_open): Get font type from entity.
      (xftfont_open) [HAVE_HARFBUZZ]: Use HarfBuzz version of driver if specified.
      (xftfont_shape) [HAVE_HARFBUZZ]: Make shaping fail.
      (xfthbfont_list, xfthbfont_match, xfthbfont_begin_hb_font)
      (xfthbfont_end_hb_font) [HAVE_HARFBUZZ]: New functions.
      (xftfont_driver) [HAVE_HARFBUZZ]: Don't initialize shape member explicitly.
      (xfthbfont_driver) [HAVE_HARFBUZZ]: New variable.
      (syms_of_xftfont_for_pdumper) [HAVE_HARFBUZZ]: Initialize and register it.
      (syms_of_xftfont) [HAVE_HARFBUZZ]: New symbol Qxfthb.
      f208d5ae
  4. 15 Jan, 2019 1 commit
    • Daniel Colascione's avatar
      Add portable dumper · d12e5d00
      Daniel Colascione authored
      Add a new portable dumper as an alternative to unexec.  Use it by default.
      
      * src/dmpstruct.awk: New file.
      * src/doc.c (get_doc_string): use will_dump_p().
      * src/editfns.c (styled_format): silence compiler warning
      with UNINIT.
      * src/emacs-module.c (syms_of_module): staticpro ltv_mark.
      * src/emacs.c (gflags): new variable.
      (init_cmdargs): unwrap
      (string_starts_with_p, find_argument, dump_error_to_string)
      (load_pdump): new functions.
      (main): detect pdumper and --temacs invocation; actually load
      portable dump when detected; set gflags as appropriate; changes to
      init functions throughout to avoid passing explicit
      'initialized' argument.
      * src/eval.c (inhibit_lisp_code): remove unused variable.
      (init_eval_once_for_pdumper): new function.
      (init_eval_once): call it.
      * src/filelock.c: CANNOT_DUMP -> will_dump_p()
      * src/fingerprint-dummy.c: new file
      * src/fingerprint.h: new file
      * src/fns.c: CANNOT_DUMP -> will_dump_p(), etc.
      (weak_hash_tables): remove
      (hashfn_equal, hashfn_eql): un-staticify
      (make_hash_table): set new 'next_weak' hash table field; drop
      global weak_hash_tables logic.
      (copy_hash_table): drop global weak_hash_tables logic.
      (hash_table_rehash): new function.
      (hash_lookup, hash_put, hash_remove_from_table, hash_clear):
      rehash if needed.
      (sweep_weak_table): un-staticify; explain logic; bool-ify.
      (sweep_weak_hash_tables): remove function.
      * src/font.c (syms_of_font): remember pdumper stuff.
      * src/fontset.c (syms_of_fontset): remember pdumper stuff.
      * src/frame.c (make_initial_frame): don't reset Vframe_list.
      (init_frame_once_for_pdumper, init_frame_once): new functions.
      (syms_of_frame): remove redundant staticpro.
      * src/fringe.c (init_fringe_once_for_pdumper): new functin.
      (init_fringe_once): call it.
      * src/ftcrfont.c (syms_of_ftcrfont_for_pdumper): new function.
      (syms_of_ftcrfont): call it.
      * src/ftfont.c (syms_of_ftfont_for_pdumper): new function.
      (syms_of_ftfont): call it.
      * src/ftxont.c (syms_of_ftxfont_for_pdumper): new function.
      (syms_of_ftxfont): call it.
      * src/gmalloc.c: adjust for pdumper througout
      (DUMPED): remove weird custom dumped indicator.
      * src/gnutls.c (syms_of_gnutls): pdumper note for
      gnutls_global_initialized.
      * src/image.c (syms_of_image): add pdumper comment,
      initializer note.
      * src/insdel.c (prepare_to_modify_buffer_1): account
      for buffer contents possibly being in dump image.
      * src/keyboard.c (syms_of_keyboard_for_pdumper): new function.
      (syms_of_keyboard): staticpro more; call pdumper syms function.
      * src/lisp.h: add comments throughout
      (gflags): declare.
      (will_dump_p, will_bootstrap_p, will_dump_with_pdumper_p)
      (dumped_with_pdumper_p, will_dump_with_unexec_p)
      (dumped_with_unexec_p, definitely_will_not_unexec_p): new
      functions.
      (POWER_OF_2, ROUNDUP): move macros.
      (PSEUDOVECTOR_TYPE, PSEUDOVECTOR_TYPEP): take vectorlike header
      pointer instead of vector; constify.
      (Lisp_Hash_Table): add comment about need to rehash on access; add
      comment for next_weak.
      (HASH_KEY, HASH_VALUE, HASH_HASH, HASH_TABLE_SIZE): const-ify.
      (hash_table_rehash): declare.
      (hash_rehash_needed_p, hash_rehash_if_needed): new functions.
      (finalizers, doomed_finalizers): declare extern.
      (SUBR_SECTION_ATTRIBUTE): new macro.
      (staticvec, staticidx): un-static-ify.
      (sweep_weak_hash_tables): remove declaration.
      (sweep_weak_table): declare.
      (hashfn_eql, hashfn_equal): declare.
      (number_finalizers_run): new variable.
      (Vdead): externify when ENABLE_CHECKING.
      (gc_root_type): new enumeration.
      (gc_root_visitor): new struct.
      (visit_static_gc_roots): declare.
      (vectorlike_nbytes): declare.
      (vector_nbytes): define as trivial inline function wrapper for
      vectorlike_nbytes.
      (init_obarray_once): change signature.
      (primary_thread): extern-ify.
      (init_buffer): change signature.
      (init_frame_once): declare.
      * src/lread.c (readevalloop): adjust for new dumped predicates.
      (init_obarray_once): new function.
      (ndefsubr): new variable.
      (defsubr): increment it.
      (load_path_check): adjust for pdumper.
      (load_path_default): use pdumper functions; adjust for
      dump search.
      * src/macfont.m (macfont_init_font_change_handler): avoid
      shadowing global.
      (syms_of_macfont_for_pdumper): new function.
      (syms_of_macfont): call it.
      * src/menu.c (syms_of_menu): staticpro more stuff.
      * src/minibuf.c (Ftry_completion): rehash if needed.
      (init_minibuf_once_for_pdumper): new function.
      (init_minibuf_once): call it.
      * src/nsfont.m (syms_of_nsfns): staticpro more.
      * src/nsfont.m (syms_of_nsfont_for_pdumper): new function.
      (syms_of_nsfont): call it.
      * src/nsterm.m (syms_of_nsfont): remember pdumper stuff.
      * src/pdumper.c: new file.
      * src/pdumper.h: new file.
      * src/process.c (init_process_emacs): use new pdumper functions
      instead of CANNOT_DUMP.
      * src/profiler.c (syms_of_profiler_for_pdumper): new function.
      (syms_of_profiler_for_pdumper): call it.
      * src/search.c (syms_of_search_for_pdumper): new function.
      (syms_of_search_for_pdumper): call it.
      * src/sheap.c (bss_sbrk_did_unexec): remove.
      * src/sheap.h (bss_sbrk_did_unexec): remove.
      * src/syntax.c (syms_of_syntax): don't redundantly staticpro
      re_match_object.
      * src/sysdep.c: use will_dump_with_unexec_p() instead of bss
      hack thing.
      * src/syssignals.h (init_sigsegv): declare.
      * src/systime.h (init_timefns): remove bool from signature.
      * src/textprop.c (syms_of_textprop): move staticpro.
      * src/thread.c (main_thread_p): constify.
      * src/thread.h (main_thread_p): constify.
      * src/timefns.c (init_timefns): remove bool from signature.
      (syms_of_timefns_for_pdumper): new function.
      (syms_of_timefns): call it.
      * src/w32.c: rearrange code.
      * src/w32.h (w32_relocate): declare.
      * src/w32fns.c (syms_of_w32fns): add pdumper note.
      * src/w32font.c (syms_of_w32font_for_pdumper): new function.
      (syms_of_w32font): call it.
      * src/w32heap.c (using_dynamic_heap): new variable.
      (init_heap): use it.
      * src/w32menu.c (syms_of_w32menu): add pdumper note.
      * src/w32proc.c
      (ctrl_c_handler, mainCRTStartup, _start, open_input_file)
      (rva_to_section, close_file_data): move here.
      * src/w32uniscribe.c (syms_of_w32uniscribe_for_pdumper):
      new function.
      (syms_of_w32uniscribe): call it.
      * src/window.c (init_window_once_for_pdumper): new function.
      (init_window_once): call it; staticpro more stuff.
      * src/xfont.c (syms_of_xfont_for_pdumper): new function.
      (syms_of_xfont): call it.
      * src/xftfont.c (syms_of_xftfont_for_pdumper): new function.
      (syms_of_xftfont): call it.
      * src/xmenu.c (syms_of_xmenu_for_pdumper): new function.
      (syms_of_xmenu): call it.
      * src/xselect.c (syms_of_xselect_for_pdumper): new function.
      (syms_of_xselect): call it.
      * src/xsettings.c (syms_of_xsettings): add more pdumper notes.
      * src/term.c (syms_of_xterm): add pdumper note.
      
      * src/dispnew.c (init_faces_initial): new function.
      (init_display_interactive): rename from init_display; use
      will_dump_p instead of !initialized.  Initialize faces early for
      pdumper if needed.
      (init_display): new function.
      (syms_of_display_for_pdumper): new function.
      (syms_of_display): call it.
      
      * src/dbusbind.c (syms_of_dbusbind): Add TODO for bus reset
      on pdumper load.
      
      * src/data.c (Fdefalias): Use will_dump_p
      instead of Vpurify_flag.
      (Fmake_variable_buffer_local): silence compiler warning with -Og
      by making valcontents UNINIT.
      (arith_driver): silence compiler warning with UNINIT.
      
      * src/conf_post.h (ATTRIBUTE_SECTION): new macro.
      
      * src/composite.c (composition_gstring_put_cache): rehash hash
      table if needed.
      
      * src/coding.c (init_coding_once, syms_of_coding): remember
      pdumper stuff.
      
      * src/charset.h (charset_table_size, charset_table_user): declare.
      
      * src/charset.c (charset_table_used, charset_table_size): un-static.
      (init_charset_oncem, syms_of_charset): remember pdumper stuff.
      
      * src/category.c (category_table_version): remove obsolete
      variable.
      
      * src/callint.c (syms_of_callint): staticpro 'preserved_fns'
      (init_callproc): use will_dump_p instead of !CANNOT_DUMP.
      
      * src/bytecode.c (exec_byte_code): rehash table tables if needed
      
      * src/buffer.c (alloc_buffer_text, free_buffer_text): account for
      pdumper
      (init_buffer_once): add TODO; remember stuff for pdumper.
      (init_buffer): don't take initialized argument; adjust
      for pdumper.
      
      * src/atimer.c (init_atimer): initialize subr only if
      !initialized.
      
      * src/alloc.c: (vector_marked_p, set_vector_marked)
      (vectorlike_marked_p, set_vectorlike_marked, cons_marked_p)
      (set_cons_marked, string_marked_p, set_string_marked)
      (symbol_marked_p, set_symbol_marked, interval_marked_p)
      (set_interval_marked): new accessor routines.  Use them
      instead of raw GC access throughout.
      (Vdead): make non-static when ENABLE_CHECKING.
      (vectorlike_nbytes): rename of 'vector_nbytes'; take a vectorlike
      header as input instead of a vector.
      (number_finalizers_run): new internal C variable.
      (mark_maybe_object): check for pdumper objects.
      (valid_pointer_p): don't be gratuitously inefficient under rr(1).
      (make_pure_c_string): add support for size_byte = -2 mode
      indicating that string data points into Emacs image rodata.
      (visit_vectorlike_root): visits GC roots embedded in
      vectorlike objects.
      (visit_buffer_root): visits GC roots embedded in
      our totally-not-a-buffer buffer global objects.
      (visit_static_gc_roots): visit GC roots in the Emacs data section.
      (mark_object_root_visitor): root callback used for conventional GC
      marking
      (weak_hash_tables): new internal variable for tracking found weak
      hash tables during GC.
      (mark_and_sweep_weak_table_contents): new weak hash table marking.
      (garbage_collect_1): use new GC root visitor machinery.
      (mark_vectorlike): accept a vectorlike_header instead of a
      Lisp_Vector.
      (mark_frame, mark_window, mark_hash_table): new functions.
      (mark_object): initialize 'm'; check for pdumper objects and use
      new mark-bit accessors throughout.  Remove some object-specific
      marking code and move to helper functions above.
      (survives_gc_p): check for pdumper objects.
      (gc-sweep): clear pdumper mark bits.
      (init_alloc_once_for_pdumper): new helper function for early init
      called both during normal init and pdumper load.
      (init_alloc_once): pdumper integration.
      
      * src/Makefile.in: Rewrite dumping for pdumper; add pdumper.o;
      invoke temacs with --temacs command line option; build dmpstruct.h
      from dmpstruct.awk; stop relying on CANNOT_DUMP; clean up pdumper
      intermediate files during build.
      
      * nextstep/Makefile.in: build emacs.pdmp into NS packages
      
      * lisp/startup.el: account for new '--temacs' and '--dump-file'
      command line option.
      
      * lisp/loadup.el: rewrite early init to account for pdumper; use
      injected 'dump-mode' variable (set via the new '--temacs' option)
      instead of parsing command line.
      
      * lisp/cus-start.el: Check 'dump-mode' instead of 'purify-flag',
      since the new 'dump-mode'
      
      * lib-src/make-fingerprint.c: new program
      
      * lib-src/Makefile.in: built make-fingerprint utility program
      
      * configure.ac: Add --with-pdumper toggle to control pdumper
      support; add --with-unexec toggle to control unexec support.
      Add --with-dumping option to control which dumping strategy we use
      by default.  Adjust for pdumper throughout.  Check for
      posix_madvise.
      
      * Makefile.in: Add @DUMPING@ substitution; add pdumper mode.
      
      * .gitignore: Add make-fingerprint, temacs.in, fingerprint.c,
      dmpstruct.h, and pdumper dump files.
      d12e5d00
  5. 01 Jan, 2019 1 commit
  6. 22 Dec, 2018 1 commit
    • Khaled Hosny's avatar
      Properly fix building with HarfBuzz and without libotf · 47ed5640
      Khaled Hosny authored
      HarfBuzz support does not depend on libotf, the build breakage when
      libotf is missing was because code guarded with:
      
       #if defined HAVE_M17N_FLT && defined HAVE_LIBOTF
      
      was incorrectly changed to:
      
       #if defined HAVE_M17N_FLT || defined HAVE_HARFBUZZ
      
      this is now properly fixed by making it:
      
       #if (defined HAVE_M17N_FLT && defined HAVE_LIBOTF) || defined HAVE_HARFBUZZ
      
      Other changes in previous commits were reverted.
      47ed5640
  7. 17 Dec, 2018 1 commit
    • Mike Kupfer's avatar
      More fixes for build without libotf · 3c64f02c
      Mike Kupfer authored
      * src/xftfont.c (xftfont_driver):
      * src/ftxfont.c (ftxfont_driver):
      * src/ftcrfont.c (ftcrfont_driver): Set the .shape member only
      if HAVE_LIBOTF is defined.  (Bug#33771)
      3c64f02c
  8. 09 Dec, 2018 1 commit
  9. 01 Jan, 2018 1 commit
  10. 13 Sep, 2017 1 commit
    • Paul Eggert's avatar
      Prefer HTTPS to FTP and HTTP in documentation · bc511a64
      Paul Eggert authored
      Most of this change is to boilerplate commentary such as license URLs.
      This change was prompted by ftp://ftp.gnu.org's going-away party,
      planned for November.  Change these FTP URLs to https://ftp.gnu.org
      instead.  Make similar changes for URLs to other organizations moving
      away from FTP.  Also, change HTTP to HTTPS for URLs to gnu.org and
      fsf.org when this works, as this will further help defend against
      man-in-the-middle attacks (for this part I omitted the MS-DOS and
      MS-Windows sources and the test tarballs to keep the workload down).
      HTTPS is not fully working to lists.gnu.org so I left those URLs alone
      for now.
      bc511a64
  11. 01 Jan, 2017 1 commit
  12. 12 Dec, 2016 1 commit
  13. 02 Dec, 2016 1 commit
    • Paul Eggert's avatar
      Make struct font_drivers read-only · ebb96114
      Paul Eggert authored
      This simplifies the code a bit, and makes the structs more
      shareable and less likely to become corrupt.
      * src/alloc.c (cleanup_vector):
      * src/font.c (valid_font_driver, font_prepare_cache)
      (font_finish_cache, font_get_cache, font_clear_cache)
      (register_font_driver, font_update_drivers):
      * src/font.h (struct font, struct font_driver_list)
      (valid_font_driver):
      struct font_drivers are now const.
      * src/font.c, src/ftcrfont.c, src/ftfont.c, src/nsfont.m, src/xfont.c:
      Omit no-longer-necessary decls.
      * src/ftcrfont.c (syms_of_ftcrfont):
      * src/ftxfont.c (syms_of_ftxfont):
      * src/xftfont.c (syms_of_xftfont):
      Omit no-longer-necessary initialization code.
      * src/ftcrfont.c (ftcrfont_driver):
      * src/ftfont.c (ftfont_driver):
      * src/ftxfont.c (ftxfont_driver):
      * src/macfont.m (macfont_driver):
      * src/nsfont.m (nsfont_driver):
      * src/xfont.c (xfont_driver):
      * src/xftfont.c (xftfont_driver):
      Use C99-style initializer for ease of maintenance, and make it const.
      * src/ftcrfont.c, src/ftxfont.c, src/xftfont.c:
      Refer to functions like ftfont_text_extents directly.
      * src/ftfont.c (ftfont_get_cache, ftfont_list, ftfont_list_family)
      (ftfont_has_char, ftfont_encode_char, ftfont_text_extents)
      (ftfont_get_bitmap, ftfont_anchor_point, ftfont_otf_capability)
      (ftfont_variation_glyphs, ftfont_filter_properties)
      (ftfont_combining_capability):
      * src/xfont.c (xfont_get_cache):
      Now extern, so that other modules’ struct font_drivers can use
      them directly.
      * src/macfont.m (macfont_descriptor_entity):
      * src/nsfont.m (nsfont_open):
      Use constant directly; this is clearer.
      ebb96114
  14. 29 Oct, 2016 1 commit
    • Daniel Colascione's avatar
      Add double-buffering support to reduce flicker · c2907158
      Daniel Colascione authored
      * src/dispextern.h (struct glyph_string): Remove window member
      (block_buffer_flips, unblock_buffer_flips)
      (buffer_flipping_blocked_p): Declare.
      
      * src/xterm.h (struct x_display_info): New member supports_xdbe.
      (struct x_output): New members draw_desc and need_buffer_flip.
      (FRAME_X_DRAWABLE, FRAME_X_RAW_DRAWABLE)
      (FRAME_X_DOUBLE_BUFFERED_P)
      (FRAME_X_NEED_BUFFER_FLIP): New macros.
      (set_up_x_back_buffer, tear_down_x_back_buffer)
      (initial_set_up_x_back_buffer): Declare.
      
      * src/xterm.c: Include Xdbe.h.
      (x_begin_cr_clip, x_fill_rectangle, x_draw_rectangle)
      (x_draw_vertical_window_border, x_update_end)
      (x_setup_relief_color, x_draw_relief_rect)
      (x_draw_fringe_bitmap, x_shift_glyphs_for_insert)
      (x_scroll_run, x_draw_hollow_cursor, x_draw_bar_cursor): Use
      FRAME_X_DRAWABLE instead of FRAME_X_WINDOW; rename local
      variables appropriately; substitute calls to XClearArea with
      x_clear_area, which DTRT for double buffering.
      (x_clear_window, x_clear_area): In double-buffering...
      c2907158
  15. 10 Mar, 2016 1 commit
    • Paul Eggert's avatar
      Rework C source files to avoid ^( · 7352c6c6
      Paul Eggert authored
      Work around Bug#22884 by rewording comments and strings to avoid ‘(’
      at the start of a line unless it starts a function.  This change
      is a short-term hack; in the longer run we plan to fix cc-mode’s
      performance for C files that have ‘(’ at the start of a line in a
      comment or string.
      7352c6c6
  16. 01 Jan, 2016 1 commit
  17. 21 Oct, 2015 1 commit
    • Paul Eggert's avatar
      Include-file cleanup for src directory · 63cfb75f
      Paul Eggert authored
      Omit ‘#include "foo.h"’ unless the file needs foo.h (Bug#21707).
      In a few cases, add ‘#include "foo.h"’ if the file needs foo.h
      but does not include it directly.  As a general rule, a source
      file should include foo.h if it needs the interfaces that foo.h
      defines.
      * src/alloc.c: Don’t include process.h.  Include dispextern.h,
      systime.h.
      * src/atimer.c: Don’t include blockinput.h.
      * src/buffer.c: Include coding.h, systime.h.  Don’t include
      keyboard.h, coding.h.
      * src/callint.c: Don’t include commands.h, keymap.h.
      * src/callproc.c: Don’t include character.h, ccl.h, composite.h,
      systty.h, termhooks.h.
      * src/casetab.c: Don’t include character.h.
      * src/category.c: Don’t include charset.h, keymap.h.
      * src/ccl.h: Don’t include character.h.
      * src/character.c: Don’t include charset.h.
      * src/charset.c: Don’t include disptab.h.
      * src/chartab.c: Don’t include ccl.h.
      * src/cm.c: Don’t include frame.h, termhooks.h.
      * src/cmds.c: Don’t include windo...
      63cfb75f
  18. 05 Jan, 2015 1 commit
    • Paul Eggert's avatar
      Compute C decls for DEFSYMs automatically · 58f2d6ef
      Paul Eggert authored
      Fixes Bug#15880.
      This patch also makes Q constants (e.g., Qnil) constant addresses
      from the C point of view.
      * make-docfile.c: Revamp to generate table of symbols, too.
      Include <stdbool.h>.
      (xstrdup): New function.
      (main): Don't process the same file twice.
      (SYMBOL): New constant in enum global_type.
      (struct symbol): Turn 'value' member into a union, either v.value
      for int or v.svalue for string.  All uses changed.
      (add_global): New arg svalue, which overrides value, so that globals
      can have a string value.
      (close_emacs_global): New arg num_symbols; all uses changed.
      Output lispsym decl.
      (write_globals): Output symbol globals too.  Output more
      ATTRIBUTE_CONST, now that Qnil etc. are C constants.
      Output defsym_name table.
      (scan_c_file): Move most of guts into ...
      (scan_c_stream): ... new function.  Scan for DEFSYMs and
      record symbols found.  Don't read past EOF if file doesn't
      end in newline.
      * alloc.c, bidi.c, buffer.c, bytecode.c, callint.c, casefiddle:
      * casetab.c, category.c, ccl.c, charset.c, chartab.c, cmds.c, coding.c:
      * composite.c, data.c, dbusbind.c, decompress.c, dired.c, dispnew.c:
      * doc.c, editfns.c, emacs.c, eval.c, fileio.c, fns.c, font.c, fontset.c:
      * frame.c, fringe.c, ftfont.c, ftxfont.c, gfilenotify.c, gnutls.c:
      * image.c, inotify.c, insdel.c, keyboard.c, keymap.c, lread.c:
      * macfont.m, macros.c, minibuf.c, nsfns.m, nsfont.m, nsimage.m:
      * nsmenu.m, nsselect.m, nsterm.m, print.c, process.c, profiler.c:
      * search.c, sound.c, syntax.c, term.c, terminal.c, textprop.c, undo.c:
      * window.c, xdisp.c, xfaces.c, xfns.c, xftfont.c, xmenu.c, xml.c:
      * xselect.c, xsettings.c, xterm.c:
      Remove Q vars that represent symbols (e.g., Qnil, Qt, Qemacs).
      These names are now defined automatically by make-docfile.
      * alloc.c (init_symbol): New function.
      (Fmake_symbol): Use it.
      (c_symbol_p): New function.
      (valid_lisp_object_p, purecopy): Use it.
      * alloc.c (marked_pinned_symbols):
      Use make_lisp_symbol instead of make_lisp_ptr.
      (garbage_collect_1): Mark lispsym symbols.
      (CHECK_ALLOCATED_AND_LIVE_SYMBOL): New macro.
      (mark_object): Use it.
      (sweep_symbols): Sweep lispsym symbols.
      (symbol_uses_obj): New function.
      (which_symbols): Use it.  Work for lispsym symbols, too.
      (init_alloc_once): Initialize Vpurify_flag here; no need to wait,
      since Qt's address is already known now.
      (syms_of_alloc): Add lispsym count to symbols_consed.
      * buffer.c (init_buffer_once): Compare to Qnil, not to make_number (0),
      when testing whether storage is all bits zero.
      * dispextern (struct image_type):
      * font.c (font_property_table):
      * frame.c (struct frame_parm_table, frame_parms):
      * keyboard.c (scroll_bar_parts, struct event_head):
      * xdisp.c (struct props):
      Use XSYMBOL_INIT (Qfoo) and struct Lisp_Symbol * rather than &Qfoo and
      Lisp_Object *, since Qfoo is no longer an object whose address can be
      taken.  All uses changed.
      * eval.c (run_hook): New function.  Most uses of Frun_hooks changed to
      use it, so that they no longer need to take the address of a Lisp sym.
      (syms_of_eval): Don't use DEFSYM on Vrun_hooks, as it's a variable.
      * frame.c (syms_of_frame): Add defsyms for the frame_parms table.
      * keyboard.c (syms_of_keyboard): Don't DEFSYM Qmenu_bar here.
      DEFSYM Qdeactivate_mark before the corresponding var.
      * keymap.c (syms_of_keymap): Use DEFSYM for Qmenu_bar and Qmode_line
      instead of interning their symbols; this avoids duplicates.
      (LISP_INITIALLY, TAG_PTR)
      (DEFINE_LISP_SYMBOL_BEGIN, DEFINE_LISP_SYMBOL_END, XSYMBOL_INIT):
      New macros.
      (LISP_INITIALLY_ZERO): Use it.
      (enum symbol_interned, enum symbol_redirect, struct Lisp_Symbol)
      (EXFUN, DEFUN_ARGS_MANY, DEFUN_ARGS_UNEVALLED, DEFUN_ARGS_*):
      Move decls up, to avoid forward uses.  Include globals.h earlier, too.
      (make_lisp_symbol): New function.
      (XSETSYMBOL): Use it.
      (DEFSYM): Now just a placeholder for make-docfile.
      * lread.c (DEFINE_SYMBOLS): Define, for globals.h.
      (intern_sym): New function, with body taken from old intern_driver.
      (intern_driver): Use it.  Last arg is now Lisp integer, not ptrdiff_t.
      All uses changed.
      (define_symbol): New function.
      (init_obarray): Define the C symbols taken from lispsym.
      Use plain DEFSYM for Qt and Qnil.
      * syntax.c (init_syntax_once): No need to worry about
      Qchar_table_extra_slots.
      58f2d6ef
  19. 01 Jan, 2015 2 commits
  20. 07 Sep, 2014 1 commit
    • Paul Eggert's avatar
      Use SAFE_ALLOCA etc. to avoid unbounded stack allocation. · b3bf18b3
      Paul Eggert authored
      This follows up on the recent thread in emacs-devel on alloca; see:
      http://lists.gnu.org/archive/html/emacs-devel/2014-09/msg00042.html
      This patch also cleans up alloca-related glitches noted while
      examining the code looking for unbounded alloca.
      * alloc.c (listn):
      * callproc.c (init_callproc):
      Rewrite to avoid need for alloca.
      * buffer.c (mouse_face_overlay_overlaps)
      (report_overlay_modification):
      * buffer.h (GET_OVERLAYS_AT):
      * coding.c (make_subsidiaries):
      * doc.c (Fsnarf_documentation):
      * editfns.c (Fuser_full_name):
      * fileio.c (Ffile_name_directory, Fexpand_file_name)
      (search_embedded_absfilename, Fsubstitute_in_file_name):
      * fns.c (Fmake_hash_table):
      * font.c (font_vconcat_entity_vectors, font_update_drivers):
      * fontset.c (fontset_pattern_regexp, Ffontset_info):
      * frame.c (Fmake_terminal_frame, x_set_frame_parameters)
      (xrdb_get_resource, x_get_resource_string):
      * ftfont.c (ftfont_get_charset, ftfont_check_otf, ftfont_drive_otf):
      * ftxfont.c (ftxfont_draw):
      * image.c (xbm_load, xpm_load, jpeg_load_body):
      * keyboard.c (echo_add_key, menu_bar_items, tool_bar_items):
      * keymap.c (Fdescribe_buffer_bindings, describe_map):
      * lread.c (openp):
      * menu.c (digest_single_submenu, find_and_call_menu_selection)
      (find_and_return_menu_selection):
      * print.c (PRINTFINISH):
      * process.c (Fformat_network_address):
      * scroll.c (do_scrolling, do_direct_scrolling, scrolling_1):
      * search.c (search_buffer, Fmatch_data, Fregexp_quote):
      * sound.c (wav_play, au_play):
      * syntax.c (skip_chars):
      * term.c (tty_menu_activate, tty_menu_show):
      * textprop.c (get_char_property_and_overlay):
      * window.c (Fset_window_configuration):
      * xdisp.c (safe__call, next_overlay_change, vmessage)
      (compute_overhangs_and_x, draw_glyphs, note_mouse_highlight):
      * xfaces.c (face_at_buffer_position):
      * xmenu.c (x_menu_show):
      Use SAFE_ALLOCA etc. instead of plain alloca, since the
      allocation size isn't bounded.
      * callint.c (Fcall_interactively): Redo memory_full check
      so that it can be done at compile-time on some platforms.
      * coding.c (MAX_LOOKUP_MAX): New constant.
      (get_translation_table): Use it.
      * callproc.c (call_process): Use SAFE_NALLOCA instead of
      SAFE_ALLOCA, to catch integer overflows on size calculation.
      (exec_failed) [!DOS_NT]: New function.
      (child_setup) [!DOS_NT]: Use it.
      * editfns.c (Ftranspose_regions):
      Hoist USE_SAFE_ALLOC + SAFE_FREE out of 'if'.
      * editfns.c (check_translation):
      Allocate larger buffers on the heap.
      * eval.c (internal_lisp_condition_case):
      Check for MAX_ALLOCA overflow.
      * fns.c (sort_vector): Use SAFE_ALLOCA_LISP rather than Fmake_vector.
      (Fbase64_encode_region, Fbase64_decode_region):
      Avoid unnecessary calls to SAFE_FREE before 'error'.
      * buffer.c (mouse_face_overlay_overlaps):
      * editfns.c (Fget_pos_property, check_translation):
      * eval.c (Ffuncall):
      * font.c (font_unparse_xlfd, font_find_for_lface):
      * ftfont.c (ftfont_drive_otf):
      * keyboard.c (echo_add_key, read_decoded_event_from_main_queue)
      (menu_bar_items, tool_bar_items):
      * sound.c (Fplay_sound_internal):
      * xdisp.c (load_overlay_strings, dump_glyph_row):
      Use an ordinary auto buffer rather than alloca, since the
      allocation size is fixed and small.
      * ftfont.c: Include <c-strcase.h>.
      (matching_prefix): New function.
      (get_adstyle_property): Use it, to avoid need for alloca.
      * keyboard.c (echo_add_key):
      * keymap.c (describe_map): Use ptrdiff_t, not int.
      * keyboard.c (echo_add_key): Prefer sizeof to strlen.
      * keymap.c (Fdescribe_buffer_bindings): Use SBYTES, not SCHARS,
      when counting bytes.
      * lisp.h (xlispstrdupa): Remove, replacing with ...
      (SAFE_ALLOCA_STRING): ... new macro with different API.
      This fixes a portability problem, namely, alloca result
      passed to another function.  All uses changed.
      (SAFE_ALLOCA, SAFE_ALLOCA_LISP): Check for MAX_ALLOCA,
      not MAX_ALLOCA - 1.
      * regex.c (REGEX_USE_SAFE_ALLOCA, REGEX_SAFE_FREE)
      (REGEX_ALLOCATE): New macros.
      (REGEX_REALLOCATE, REGEX_ALLOCATE_STACK, REGEX_REALLOCATE_STACK)
      (REGEX_FREE_STACK, FREE_VARIABLES, re_match_2_internal):
      Use them.
      * xdisp.c (message3): Use SAFE_ALLOCA_STRING rather than doing it
      by hand.
      (decode_mode_spec_coding): Store directly into buf rather than
      into an alloca temporary and copying the temporary to the buf.
      
      Fixes: debbugs:18410
      b3bf18b3
  21. 03 Jul, 2014 1 commit
    • Dmitry Antipov's avatar
      Use convenient alists to manage per-frame font driver-specific data. · 60ab5797
      Dmitry Antipov authored
      * frame.h (struct frame): Rename font_data_list to...
      [HAVE_XFT || HAVE_FREETYPE]: ... font_data, which is a Lisp_Object now.
      * font.h (struct font_data_list): Remove; no longer need a special
      data type.
      (font_put_frame_data, font_get_frame_data) [HAVE_XFT || HAVE_FREETYPE]:
      Adjust prototypes.
      * font.c (font_put_frame_data, font_get_frame_data)
      [HAVE_XFT || HAVE_FREETYPE]: Prefer alist functions to ad-hoc list
      management.
      * xftfont.c (xftfont_get_xft_draw, xftfont_end_for_frame):
      Related users changed.
      * ftxfont.c (ftxfont_get_gcs, ftxfont_end_for_frame): Likewise.
      Prefer convenient xmalloc and xfree.
      60ab5797
  22. 08 Jun, 2014 1 commit
    • Paul Eggert's avatar
      If a C name must be extern on some platforms, make it extern on all. · ff2d0e83
      Paul Eggert authored
      * dispextern.h (set_vertical_scroll_bar, erase_phys_cursor)
      (load_color):
      * font.h (ftxfont_driver) [HAVE_XFT]:
      * keyboard.h (menu_items_inuse, ignore_mouse_drag_p, make_ctrl_char):
      * lisp.h (get_frame_param):
      * menu.h (tty_menu_show):
      * process.h (conv_sockaddr_to_lisp, catch_child_signal):
      * termhooks.h (encode_terminal_code):
      * xterm.h (x_menu_wait_for_event):
      Always declare.
      * frame.c (get_frame_param):
      * fringe.c (max_used_fringe_bitmap):
      * ftxfont.c (ftxfont_driver):
      * keyboard.c (ignore_mouse_drag_p, make_ctrl_char):
      * menu.c (menu_items_inuse):
      * process.c (conv_sockaddr_to_lisp, catch_child_signal):
      * term.c (encode_terminal_code, tty_menu_show):
      * xdisp.c (set_vertical_scroll_bar, erase_phys_cursor):
      * xfaces.c (load_color):
      * xmenu.c (x_menu_wait_for_event):
      Now always extern.
      ff2d0e83
  23. 01 Jan, 2014 1 commit
  24. 13 Dec, 2013 1 commit
  25. 12 Dec, 2013 1 commit
    • Dmitry Antipov's avatar
      * font.h (struct font_entity) [HAVE_NS]: New field to record · cf86e18b
      Dmitry Antipov authored
      font driver which was used to create this entity.
      (struct font) [HAVE_WINDOW_SYSTEM]: New field to record
      frame where the font was opened.
      (font_close_object): Add prototype.
      * font.c (font_make_entity) [HAVE_NS]: Zero out driver field.
      (font_close_object): Not static any more.  Lost frame arg.
      Adjust comment and users.
      * alloc.c (cleanup_vector): Call font_close_object to adjust
      per-frame font counters correctly.  If HAVE_NS, also call
      driver-specific cleanup for font-entity objects.
      * ftfont.c (ftfont_open):
      * nsfont.m (nsfont_open):
      * w32font.c (w32font_open_internal):
      * xfont.c (xfont_open):
      * xftfont.c (xftfont_open): Save frame pointer in font object.
      * macfont.m (macfont_open): Likewise.
      (macfont_descriptor_entity): Save driver pointer to be able
      to call its free_entity routine when font-entity is swept.
      * ftxfont.c (ftxfont_open): Add eassert because frame
      pointer should be saved by ftfont_driver.open.
      cf86e18b
  26. 29 Oct, 2013 1 commit
    • Dmitry Antipov's avatar
      Prefer 'unsigned long' to 'long unsigned int' and 'unsigned long int'. · 2d9783e0
      Dmitry Antipov authored
      * ftxfont.c (ftxfont_get_gcs):
      * gtkutil.c (xg_set_widget_bg, xg_set_background_color):
      * xfaces.c (x_free_colors, x_free_dpy_colors)
      (x_create_gc, unload_color):
      * xselect.c (x_property_data_to_lisp):
      * xsettings.c (parse_settings):
      * xterm.c (x_copy_color, x_alloc_lighter_color, x_setup_relief_color)
      (get_bits_and_offset): Adjust definition.
      * frame.c (XParseGeometry): Adjust locals.
      * lisp.h (toplevel): Adjust EMACS_UINT type definition.
      * regex.h (toplevel): Likewise for reg_syntax_t.
      2d9783e0
  27. 25 Oct, 2013 1 commit
    • Dmitry Antipov's avatar
      Omit unused frame argument of font API's close function. · 78e0b35c
      Dmitry Antipov authored
      * font.h (struct font): Drop frame argument.  Adjust comment.
      * font.c (font_clear_cache, font_close_object): Adjust users.
      * ftfont.c (ftfont_close):
      * ftxfont.c (ftxfont_close):
      * macfont.m (macfont_close):
      * nsfont.m (nsfont_close):
      * w32font.c (w32font_close):
      * xfont.c (xfont_close):
      * xftfont.c (xftfont_close): Adjust driver-specific close
      functions, tweak comments and make functions safe if called
      more than once for the same font object.
      78e0b35c
  28. 03 Aug, 2013 1 commit
    • Dmitry Antipov's avatar
      Drop FRAME_PTR typedef. · a10c8269
      Dmitry Antipov authored
      * composite.c, font.c, font.h, fontset.c, fontset.h, frame.c, frame.h:
      * ftfont.c, ftxfont.c, gtkutil.c, gtkutil.h, image.c, keyboard.c:
      * menu.c, menu.h, msdos.c, nsfns.m, nsfont.m, nsmenu.m, nsterm.h:
      * nsterm.m, scroll.c, term.c, w32fns.c, w32font.c, w32font.h:
      * w32inevt.c, w32inevt.h, w32menu.c, w32notify.c, w32term.c, w32term.h:
      * w32uniscribe.c, w32xfns.c, widget.c, window.c, xdisp.c, xfaces.c:
      * xfns.c, xfont.c, xftfont.c, xmenu.c, xselect.c, xterm.c:
      All related users changed.
      a10c8269
  29. 01 Aug, 2013 1 commit
    • Dmitry Antipov's avatar
      Avoid redundant Lisp_Object <-> struct frame conversions in font API. · fdb396e2
      Dmitry Antipov authored
      * font.h (struct font_driver): Change list, match, and list_family
      functions to accept struct frame * as first arg.
      * font.c (font_score, font_compare, font_sort_entities): Remove
      prototypes.
      (font_sort_entities, font_list_entities, font_select_entity):
      (font_find_for_lface, Flist_fonts, Ffont_family_list): Adjust to
      match font API change.
      * xfont.c (xfont_list, xfont_match, xfont_list_family):
      * ftfont.c (ftfont_list, ftfont_match, ftfont_list_family):
      * ftxfont.c (ftxfont_list, ftxfont_match):
      * xftfont.c (xftfont_list, xftfont_match):
      * nsfont.m (nsfont_list, nsfont_match, nsfont_list_family):
      * w32font.c (w32font_list, w32font_match, w32font_list):
      (w32font_list_internal, w32_font_match_internal): Likewise.
      * xfaces.c (Fx_family_fonts): Adjust user.
      fdb396e2
  30. 01 Jan, 2013 1 commit
  31. 23 Sep, 2012 1 commit
    • Paul Eggert's avatar
      Simplify and avoid signal-handling races. · 4d7e6e51
      Paul Eggert authored
      * nt/inc/ms-w32.h (emacs_raise): New macro.
      * src/alloc.c (die):
      * src/sysdep.c (emacs_abort) [HAVE_NTGUI]:
      Avoid recursive loop if there's a fatal error in the function itself.
      * src/atimer.c (pending_atimers):
      * src/blockinput.h: Don't include "atimer.h"; no longer needed.
      (interrupt_input_pending): Remove.  All uses removed.
      pending_signals now counts both atimers and ordinary interrupts.
      This is less racy than having three separate pending-signal flags.
      (block_input, unblock_input, totally_unblock_input, unblock_input_to)
      (input_blocked_p):
      Rename from their upper-case counterparts BLOCK_INPUT,
      UNBLOCK_INPUT, TOTALLY_UNBLOCK_INPUT, UNBLOCK_INPUT_TO,
      INPUT_BLOCKED_P, and turn into functions.  All uses changed.
      This makes it easier to access volatile variables more accurately.
      (BLOCK_INPUT_RESIGNAL): Remove.  All uses replaced by unblock_input ().
      (input_blocked_p): Prefer this to 'interrupt_input_blocked', as
      that's more reliable if the code is buggy and sets
      interrupt_input_blocked to a negative value.  All uses changed.
      * src/atimer.c (deliver_alarm_signal):
      Remove.  No need to deliver this to the parent; any thread can
      handle this signal now.  All uses replaced by underlying handler.
      * src/atimer.c (turn_on_atimers):
      * src/dispnew.c (handle_window_change_signal):
      * src/emacs.c (handle_danger_signal):
      * src/keyboard.c (kbd_buffer_get_event):
      Don't reestablish signal handler; not needed with sigaction.
      * src/blockinput.h (UNBLOCK_INPUT_TO, TOTALLY_UNBLOCK_INPUT)
      (UNBLOCK_INPUT_TO):
      Rework to avoid unnecessary accesses to volatile variables.
      (UNBLOCK_INPUT_TO): Now a function.
      (totally_unblock_input, unblock_input): New decls.
      * src/data.c (handle_arith_signal, deliver_arith_signal): Move to sysdep.c
      (init_data): Remove.  Necessary stuff now done in init_signal.
      * src/emacs.c, src/xdisp.c: Include "atimer.h", since we invoke atimer functions.
      * src/emacs.c (handle_fatal_signal, deliver_fatal_signal): Move to sysdep.c.
      (fatal_error_code): Remove; no longer needed.
      (terminate_due_to_signal): Rename from fatal_error_backtrace, since
      it doesn't always backtrace.  All uses changed.  No need to reset
      signal to default, since sigaction and/or die does that for us now.
      Use emacs_raise (FOO), not kill (getpid (), FOO).
      (main): Check more-accurately whether we're dumping.
      Move fatal-error setup to sysdep.c
      * src/floatfns.c: Do not include "syssignal.h"; no longer needed.
      * src/gtkutil.c (xg_get_file_name, xg_get_font):
      Remove no-longer-needed signal-mask manipulation.
      * src/keyboard.c, src/process.c (POLL_FOR_INPUT):
      Don't depend on USE_ASYNC_EVENTS, a symbol that is never defined.
      * src/keyboard.c (read_avail_input): Remove.
      All uses replaced by gobble_input.
      (Ftop_level): Use TOTALLY_UNBLOCK_INPUT rather than open code.
      (kbd_buffer_store_event_hold, gobble_input):
      (record_asynch_buffer_change) [USABLE_SIGIO]:
      (store_user_signal_events):
      No need to mess with signal mask.
      (gobble_input): If blocking input and there are terminals, simply
      set pending_signals to 1 and return.  All hooks changed to not
      worry about whether input is blocked.
      (process_pending_signals): Clear pending_signals before processing
      them, in case a signal comes in while we're processing.
      By convention callers now test pending_signals before calling us.
      (UNBLOCK_INPUT_TO, unblock_input, totally_unblock_input):
      New functions, to support changes to blockinput.h.
      (handle_input_available_signal): Now extern.
      (reinvoke_input_signal): Remove.  All uses replaced by
      handle_async_input.
      (quit_count): Now volatile, since a signal handler uses it.
      (handle_interrupt): Now takes bool IN_SIGNAL_HANDLER as arg.  All
      callers changed.  Block SIGINT only if not already blocked.
      Clear sigmask reliably, even if Fsignal returns, which it can.
      Omit unnecessary accesses to volatile var.
      (quit_throw_to_read_char): No need to restore sigmask.
      * src/keyboard.c (gobble_input, handle_user_signal):
      * src/process.c (wait_reading_process_output):
      Call signal-handling code rather than killing ourselves.
      * src/lisp.h: Include <float.h>, for...
      (IEEE_FLOATING_POINT): New macro, moved here to avoid duplication.
      (pending_signals): Now volatile.
      (syms_of_data): Now const if IEEE floating point.
      (handle_input_available_signal) [USABLE_SIGIO]:
      (terminate_due_to_signal, record_child_status_change): New decls.
      * src/process.c (create_process): Avoid disaster if memory is exhausted
      while we're processing a vfork, by tightening the critical section
      around the vfork.
      (send_process_frame, process_sent_to, handle_pipe_signal)
      (deliver_pipe_signal): Remove.  No longer needed, as Emacs now
      ignores SIGPIPE.
      (send_process): No need for setjmp/longjmp any more, since the
      SIGPIPE stuff is now gone.  Instead, report an error if errno
      is EPIPE.
      (record_child_status_change): Now extern.  PID and W are now args.
      Return void, not bool.  All callers changed.
      * src/sysdep.c (wait_debugging) [(BSD_SYSTEM || HPUX) && !defined (__GNU__)]:
      Remove.  All uses removed.  This bug should be fixed now in a
      different way.
      (wait_for_termination_1): Use waitpid rather than sigsuspend,
      and record the child status change directly.  This avoids the
      need to futz with the signal mask.
      (process_fatal_action): Move here from emacs.c.
      (emacs_sigaction_flags): New function, containing
      much of what used to be in emacs_sigaction_init.
      (emacs_sigaction_init): Use it.  Block nonfatal system signals that are
      caught by emacs, to make races less likely.
      (deliver_process_signal): Rename from handle_on_main_thread.
      All uses changed.
      (BACKTRACE_LIMIT_MAX): Now at top level.
      (thread_backtrace_buffer, threadback_backtrace_pointers):
      New static vars.
      (deliver_thread_signal, deliver_fatal_thread_signal):
      New functions, for more-accurate delivery of thread-specific signals.
      (handle_fatal_signal, deliver_fatal_signal): Move here from emacs.c.
      (deliver_arith_signal): Handle in this thread, not
      in the main thread, since it's triggered by this thread.
      (maybe_fatal_sig): New function.
      (init_signals): New arg DUMPING so that we can be more accurate
      about whether we're dumping.  Caller changed.
      Treat thread-specific signals differently from process-general signals.
      Block all signals while handling fatal error; that's safer.
      xsignal from SIGFPE only on non-IEEE hosts, treating it as fatal
      on IEEE hosts.
      When batch, ignore SIGHUP, SIGINT, SIGTERM if they were already ignored.
      Ignore SIGPIPE unless batch.
      (emacs_backtrace): Output backtrace for the appropriate thread,
      which is not necessarily the main thread.
      * src/syssignal.h: Include <stdbool.h>.
      (emacs_raise): New macro.
      * src/xterm.c (x_connection_signal): Remove; no longer needed
      now that we use sigaction.
      (x_connection_closed): No need to mess with sigmask now.
      (x_initialize): No need to reset SIGPIPE handler here, since
      init_signals does this for us now.
      
      Fixes: debbugs:12471
      4d7e6e51
  32. 15 Sep, 2012 1 commit
    • Paul Eggert's avatar
      Port better to POSIX hosts lacking _setjmp. · 0328b6de
      Paul Eggert authored
      * configure.ac (HAVE__SETJMP, HAVE_SIGSETJMP): New symbols.
      (_setjmp, _longjmp): Remove.
      * src/lisp.h: Include <setjmp.h> here, since we use its symbols here.
      All instances of '#include <setjmp.h>' removed, if the
      only reason for the instance was because "lisp.h" was included.
      (sys_jmp_buf, sys_setjmp, sys_longjmp): New symbols.
      Unless otherwise specified, replace all uses of jmp_buf, _setjmp,
      and _longjmp with the new symbols.  Emacs already uses _setjmp if
      available, so this change affects only POSIXish hosts that have
      sigsetjmp but not _setjmp, such as some versions of Solaris and
      Unixware.  (Also, POSIX-2008 marks _setjmp as obsolescent.)
      * src/image.c (_setjmp, _longjmp) [HAVE_PNG && !HAVE__SETJMP]: New macros.
      (png_load_body) [HAVE_PNG]:
      (PNG_LONGJMP) [HAVE_PNG && PNG_LIBPNG_VER < 10500]:
      (PNG_JMPBUF) [HAVE_PNG && PNG_LIBPNG_VER >= 10500]:
      Use _setjmp and _longjmp rather than sys_setjmp and sys_longjmp,
      since PNG requires jmp_buf.  This is the only exception to the
      general rule that we now use sys_setjmp and sys_longjmp.
      This exception is OK since this code does not change the signal
      mask or longjmp out of a signal handler.
      
      Fixes: debbugs:12446
      0328b6de
  33. 06 Sep, 2012 1 commit
    • Paul Eggert's avatar
      Use bool for booleans in font-related modules. · a864ef14
      Paul Eggert authored
      * font.c (font_intern_prop, font_style_to_value)
      (font_style_symbolic, font_parse_xlfd, font_parse_fcname)
      (generate_otf_features, font_check_otf_features, font_check_otf)
      (font_match_p, font_list_entities, font_at):
      * fontset.c (fontset_id_valid_p, reorder_font_vector
      (fontset_find_font, Fset_fontset_font)
      (face_suitable_for_char_p) [0]:
      * ftfont.c (fc_initialized, ftfont_get_open_type_spec)
      (ftfont_open, ftfont_text_extents, ftfont_check_otf):
      (m17n_flt_initialized, ftfont_shape_by_flt):
      * ftxfont.c (ftxfont_draw_bitmap, ftxfont_draw):
      * nsfont.m (nsfont_draw):
      * w32font.c (w32font_draw):
      * w32term.c (x_draw_glyphless_glyph_string_foreground):
      Use bool for booleans.
      * font.h: Adjust to above API changes.
      (struct font, struct font_driver, struct font_driver_list):
      Use bool for booleans.
      (struct font): Remove useless member encoding_type.
      All users removed.
      * fontset.c, xftfont.c: Omit unnecessary static decls.
      a864ef14
  34. 05 Jul, 2012 1 commit
    • Paul Eggert's avatar
      More xmalloc and related cleanup. · 38182d90
      Paul Eggert authored
      * alloc.c, bidi.c, buffer.c, buffer.h, bytecode.c, callint.c:
      * callproc.c, charset.c, coding.c, composite.c, data.c, dispnew.c:
      * doc.c, editfns.c, emacs.c, eval.c, fileio.c, filelock.c, fns.c:
      * font.c, fontset.c, frame.c, fringe.c, ftfont.c, ftxfont.c, gmalloc.c:
      * gtkutil.c, image.c, keyboard.c, keymap.c, lread.c, macros.c, menu.c:
      * nsfns.m, nsfont.m, nsmenu.m, nsterm.m, print.c, process.c, ralloc.c:
      * regex.c, region-cache.c, scroll.c, search.c, sound.c, syntax.c:
      * sysdep.c, term.c, termcap.c, unexmacosx.c, window.c, xdisp.c:
      * xfaces.c, xfns.c, xftfont.c, xgselect.c, xmenu.c, xrdb.c, xselect.c:
      * xterm.c:
      Omit needless casts involving void * pointers and allocation.
      Prefer "P = xmalloc (sizeof *P)" to "P = xmalloc (sizeof (TYPE_OF_P))",
      as the former is more robust if P's type is changed.
      Prefer xzalloc to xmalloc + memset 0.
      Simplify malloc-or-realloc to realloc.
      Don't worry about xmalloc returning a null pointer.
      Prefer xstrdup to xmalloc + strcpy.
      * editfns.c (Fmessage_box): Grow message_text by at least 80 when
      growing it.
      * keyboard.c (apply_modifiers_uncached): Prefer local array to
      alloca of a constant.
      38182d90
  35. 11 Jan, 2012 1 commit
  36. 05 Jan, 2012 1 commit
  37. 05 Dec, 2011 1 commit
  38. 19 Nov, 2011 1 commit
  39. 12 Apr, 2011 1 commit