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* Update copyright year to 2014 by running admin/update-copyright.Paul Eggert2014-01-011-1/+1
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* Spelling and punctuation fixes.Paul Eggert2013-12-011-1/+1
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* A simpler, centralized INLINE.Paul Eggert2013-09-201-5/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | * lib-src/profile.c (INLINE): New macro. (SYSTIME_INLINE): Remove. * src/conf_post.h (INLINE): Define only if not already defined. This allows us to use a single INLINE, defined by one file per executable. * src/emacs.c (INLINE): Define it. Also, include category.h, charset.h, composite.h, dispextern.h, syntax.h, systime.h, so that their INLINE definitions are expanded properly for Emacs. * src/blockinput.h, src/keyboard.c (BLOCKINPUT_INLINE): * src/buffer.h, src/buffer.c (BUFFER_INLINE): * src/category.h, src/category.c (CATEGORY_INLINE): * src/character.h, src/character.c (CHARACTER_INLINE): * src/charset.h, src/charset.c (CHARSET_INLINE): * src/composite.h, src/composite.c (COMPOSITE_INLINE): * src/dispextern.h, src/dispnew.c (DISPEXTERN_INLINE): * src/frame.h, src/frame.c (FRAME_INLINE): * src/intervals.h, src/intervals.c (INTERVALS_INLINE): * src/keyboard.h, src/keyboard.c (KEYBOARD_INLINE): * src/lisp.h, src/alloc.c (LISP_INLINE): * src/process.h, src/process.c (PROCESS_INLINE): * src/syntax.h, src/syntax.c (SYNTAX_INLINE): * src/systime.h, src/sysdep.c (SYSTIME_INLINE): * src/termhooks.h, src/terminal.h (TERMHOOKS_INLINE): * src/window.h, src/window.c (WINDOW_INLINE): Remove. All uses replaced with INLINE.
* Reorder conditions that are written backwardsAndreas Schwab2013-03-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * alloc.c (xpalloc, Fgarbage_collect): Reorder conditions that are written backwards. * blockinput.h (input_blocked_p): Likewise. * bytecode.c (exec_byte_code): Likewise. * callproc.c (call_process_kill, call_process_cleanup) (Fcall_process): Likewise. * ccl.c (ccl_driver, resolve_symbol_ccl_program) (Fccl_execute_on_string): Likewise. * character.c (string_escape_byte8): Likewise. * charset.c (read_hex): Likewise. * cm.c (calccost): Likewise. * data.c (cons_to_unsigned): Likewise. * dired.c (directory_files_internal, file_name_completion): Likewise. * dispnew.c (scrolling_window, update_frame_1, Fsleep_for) (sit_for): Likewise. * doc.c (Fsubstitute_command_keys): Likewise. * doprnt.c (doprnt): Likewise. * editfns.c (hi_time, decode_time_components, Fformat): Likewise. * emacsgtkfixed.c: Likewise. * fileio.c (file_offset, Fwrite_region): Likewise. * floatfns.c (Fexpt, fmod_float): Likewise. * fns.c (larger_vector, make_hash_table, Fmake_hash_table): Likewise. * font.c (font_intern_prop): Likewise. * frame.c (x_set_alpha): Likewise. * gtkutil.c (get_utf8_string): Likewise. * indent.c (check_display_width): Likewise. * intervals.c (create_root_interval, rotate_right, rotate_left) (split_interval_right, split_interval_left) (adjust_intervals_for_insertion, delete_node) (interval_deletion_adjustment, adjust_intervals_for_deletion) (merge_interval_right, merge_interval_left, copy_intervals) (set_intervals_multibyte_1): Likewise. * keyboard.c (gobble_input, append_tool_bar_item): Likewise. * keymap.c (Fkey_description): Likewise. * lisp.h (FIXNUM_OVERFLOW_P, vcopy): Likewise. * lread.c (openp, read_integer, read1, string_to_number): Likewise. * menu.c (ensure_menu_items): Likewise. * minibuf.c (read_minibuf_noninteractive): Likewise. * print.c (printchar, strout): Likewise. * process.c (create_process, Faccept_process_output) (wait_reading_process_output, read_process_output, send_process) (wait_reading_process_output): Likewise. * profiler.c (make_log, handle_profiler_signal): Likewise. * regex.c (re_exec): Likewise. * regex.h: Likewise. * search.c (looking_at_1, Freplace_match): Likewise. * sysdep.c (get_child_status, procfs_ttyname) (procfs_get_total_memory): Likewise. * systime.h (EMACS_TIME_VALID_P): Likewise. * term.c (dissociate_if_controlling_tty): Likewise. * window.c (get_phys_cursor_glyph): Likewise. * xdisp.c (init_iterator, redisplay_internal, redisplay_window) (try_window_reusing_current_matrix, try_window_id, pint2hrstr): Likewise. * xfns.c (Fx_window_property): Likewise. * xmenu.c (set_frame_menubar): Likewise. * xselect.c (x_get_window_property, x_handle_dnd_message): Likewise. * xsmfns.c (smc_save_yourself_CB): Likewise. * xterm.c (x_scroll_bar_set_handle): Likewise.
* Update copyright notices for 2013.Paul Eggert2013-01-011-1/+1
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* Simplify and avoid signal-handling races.Paul Eggert2012-09-231-82/+36
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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
* Simplify SIGIO usage.Paul Eggert2012-09-121-9/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The code that dealt with SIGIO was crufty and confusing, e.g., it played tricks like "#undef SIGIO" but these tricks were not used consistently. Simplify mostly by not #undeffing standard symbols, e.g., use "defined USABLE_SIGIO" (our symbol, which we can define or not as we please) rather than "defined SIGIO" (standard symbol that we probably shouldn't #undef). * configure.ac (NO_TERMIO, BROKEN_FIONREAD, BROKEN_SIGAIO) (BROKEN_SIGPOLL, BROKEN_SIGPTY): Remove. (USABLE_FIONREAD, USABLE_SIGIO): New symbols. All uses of 'defined SIGIO' replaced with 'defined USABLE_SIGIO', with no need to #undef SIGIO now (which was error-prone). Likewise, all uses of 'defined FIONREAD' replaced with 'defined USABLE_FIONREAD'. * src/admin/CPP_DEFINES (BROKEN_SIGAIO, BROKEN_SIGIO, BROKEN_SIGPOLL) (BROKEN_SIGPTY, NO_TERMIO): Remove. * src/conf_post.h [USG5_4]: Do not include <sys/wait.h> here. Modules that need it can include it. [USG5_4 && emacs]: Likewise, do not include the streams stuff here. * src/dispextern.h (ignore_sigio): New decl. * src/emacs.c (shut_down_emacs): Invoke unrequest_sigio unconditionally, since it's now a no-op if !USABLE_SIGIO. * src/emacs.c (shut_down_emacs): * src/keyboard.c (kbd_buffer_store_event_hold): Use ignore_sigio rather than invoking 'signal' directly. * src/keyboard.c (USABLE_FIONREAD && USG5_4): Include <sys/filio.h>, for FIONREAD. (FIONREAD, SIGIO): Do not #undef. (tty_read_avail_input): Use #error rather than a syntax error. * src/process.c [USG5_4]: Include <sys/stream.h> and <sys/stropts.h>, for I_PIPE, used by SETUP_SLAVE_PTY. (DATAGRAM_SOCKETS): Simplify defn, based on USABLE_FIONREAD. * src/sysdep.c (croak): Remove; no longer needed. This bit of temporary code, with Fred N. Fish's comment that it's temporary, has been in Emacs since at least 1992! (init_sigio, reset_sigio, request_sigio, unrequest_sigio): Arrange for them to be no-ops in all cases when ! USABLE_SIGIO. * src/syssignal.h (croak): Remove decl. (SIGIO, SIGPOO, SIGAIO, SIGPTY): Do not #undef; that's too fragile. * src/systty.h [!NO_TERMIO]: Do not include <termio.h>; no longer needed now that we're termios-only. (FIONREAD, ASYNC) [BROKEN_FIONREAD]: Do not #undef. * src/term.c (dissociate_if_controlling_tty): Use #error rather than a run-time error. Fixes: debbugs:12408
* Simplify redefinition of 'abort' (Bug#12316).Paul Eggert2012-09-041-2/+1
| | | | | | | | | | | | | | | | | | | | | | Do not try to redefine the 'abort' function. Instead, redo the code so that it calls 'emacs_abort' rather than 'abort'. This removes the need for the NO_ABORT configure-time macro and makes it easier to change the abort code to do a backtrace. * configure.ac (NO_ABRT): Remove. * admin/CPP-DEFINES (NO_ABORT): Remove. * nt/inc/ms-w32.h (w32_abort) [HAVE_NTGUI]: Remove. * src/.gdbinit: Just stop at emacs_abort, not at w32_abort or abort. * src/emacs.c (abort) [!DOS_NT && !NO_ABORT]: Remove; sysdep.c's emacs_abort now takes its place. * src/lisp.h (emacs_abort): New decl. All calls from Emacs code to 'abort' changed to use 'emacs_abort'. * src/msdos.c (dos_abort) [defined abort]: Remove; not used. (abort) [!defined abort]: Rename to ... (emacs_abort): ... new name. * src/sysdep.c (emacs_abort) [!HAVE_NTGUI]: New function, taking the place of the old 'abort' in emacs.c. * src/w32.c, src/w32fns.c (abort): Do not #undef. * src/w32.c (emacs_abort): Rename from w32_abort.
* Add 2012 to FSF copyright years for Emacs filesGlenn Morris2012-01-051-1/+1
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* Convert consecutive FSF copyright years to ranges.Glenn Morris2011-01-241-2/+1
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* Nuke arch-tags.Glenn Morris2011-01-151-2/+0
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* Merge from emacs-23Stefan Monnier2011-01-141-1/+1
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| * Add 2011 to FSF/AIST copyright years.Glenn Morris2011-01-021-1/+1
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* | * blockinput.h: Remove obsolete comment.Andreas Schwab2010-07-111-1/+0
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* | Convert some prototypes to standard C.Dan Nicolaescu2010-07-021-1/+1
|/ | | | | | | | | | | | | * lib-src/make-docfile.c (xmalloc, xrealloc, concat, readline, fatal): * lib-src/b2m.c (scan_file, scan_lisp_file, scan_c_file): Convert to standard C prototypes. * src/term.c (term_clear_mouse_face, Fidentity): * src/syssignal.h (signal_handler_t): * src/lisp.h (memory_warnings): * src/coding.h (preferred_coding_system): * src/cm.h (evalcost): * src/blockinput.h (reinvoke_input_signal): Convert to standard C prototypes.
* Add 2010 to copyright years.Glenn Morris2010-01-131-1/+1
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* * nsterm.m (ns_read_socket): Copy 2009-01-29 and 2009-01-30Adrian Robert2009-02-011-11/+0
| | | | | | | XT,w32read_socket changes to ns_read_socket. * keyboard.c (handle_interrupt): Don't call quit_throw_to_read_char() under NS. * blockinput.h: Remove NS-specific code.
* add parens in a defined statementAdrian Robert2009-01-281-1/+1
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* Add 2009 to copyright years.Glenn Morris2009-01-081-1/+1
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* merging Emacs.app (NeXTstep port)Adrian Robert2008-07-151-0/+12
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* Switch to recommended form of GPLv3 permissions notice.Glenn Morris2008-05-151-6/+4
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* Add 2008 to copyright years.Glenn Morris2008-01-081-1/+1
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* Switch license to GPLv3 or later.Glenn Morris2007-07-251-1/+1
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* (interrupt_input_blocked): Declare volatile.YAMAMOTO Mitsuharu2007-01-261-1/+1
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* Update copyright for years from Emacs 21 to present (mainly addingGlenn Morris2007-01-141-2/+2
| | | | 2001).
* Update years in copyright notice; nfc.Thien-Thi Nguyen2006-02-061-1/+1
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* Update years in copyright notice; nfc.Thien-Thi Nguyen2005-08-071-1/+2
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* Update FSF's address.Lute Kamstra2005-07-041-2/+2
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* (TOTALLY_UNBLOCK_INPUT): Avoid dangling else.Kim F. Storm2005-03-071-2/+2
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* (UNBLOCK_INPUT_TO): Always call UNBLOCK_INPUT.Andreas Schwab2005-03-071-3/+1
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* (UNBLOCK_INPUT_TO): New macro.Richard M. Stallman2005-03-061-1/+24
| | | | (TOTALLY_UNBLOCK_INPUT): Handle a pending signal if any.
* Update copyright.Kim F. Storm2004-06-161-1/+1
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* (INPUT_BLOCKED_P): New macro.Kim F. Storm2004-05-171-0/+3
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* Add arch taglinesMiles Bader2003-09-011-0/+3
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* Trailing whitespace deleted.Juanma Barranquero2003-02-041-1/+1
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* Protect against multiple inclusion. IncludeDave Love2000-06-251-0/+6
| | | | atimer.h.
* (pending_atimers): Add extern declaration.Gerd Moellmann2000-01-251-6/+22
| | | | (UNBLOCK_INPUT): Rewritten. Handle pending atimers.
* (reinvoke_input_signal): Don't use prototype decl.Richard M. Stallman1998-04-281-1/+2
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* Add more prototypes.Andreas Schwab1998-04-141-0/+3
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* Update FSF's address in the preamble.Erik Naggum1996-01-151-1/+2
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* * blockinput.h (UNBLOCK_INPUT): We cannot assume that SIGIO isJim Blandy1993-05-101-10/+15
| | | | | | | | defined everywhere this file is #included; merge the two definitions for defined (SIGIO) and ! defined (SIGIO) into one, which calls reinvoke_input_signal if interrupt_input_pending is set. * keyboard.c (reinvoke_input_signal): New function.
* (interrupt_input_blocked): Make this signed int.Richard M. Stallman1993-04-071-1/+1
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* (UNBLOCK_INPUT): Fix typo.Richard M. Stallman1993-04-071-1/+1
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* Put interrupt input blocking in a separate file from xterm.h.Jim Blandy1993-03-311-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This isn't specific to X, and it allows us to avoid #including xterm.h in files that don't really have anything to do with X. * blockinput.h: New file. * xterm.h (BLOCK_INPUT, UNBLOCK_INPUT, TOTALLY_UNBLOCK_INPUT, UNBLOCK_INPUT_RESIGNAL): These are now in blockinput.h. (x_input_blocked, x_pending_input): Deleted; there are analogs in blockinput.h called interrupt_input_blocked and interrupt_input_pending. * keyboard.c (interrupt_input_blocked, interrupt_input_pending): New variables, used by the macros in blockinput.h. * xterm.c: #include blockinput.h. (x_input_blocked, x_pending_input): Deleted. (XTread_socket): Test and set interrupt_input_blocked and interrupt_input_pending instead of the old variables. * alloc.c, xfaces.c, xfns.c, xmenu.c, xselect.c, keymap.c: #include blockinput.h. * eval.c: #include blockinput.h instead of xterm.h. * keyboard.c: #include blockinput.h. (input_poll_signal): Just test interrupt_input_blocked, instead of testing HAVE_X_WINDOWS and x_input_blocked. Block the processing of interrupt input while we're manipulating the malloc heap. * alloc.c: (xfree): New function, to make it easy to free things safely. (xmalloc, xrealloc): Block X input while doing the deed. (VALIDATE_LISP_STORAGE, gc_sweep, compact_strings): Use xfree instead of free. (uninterrupt_malloc): New function, to install input-blocking hooks into the GNU malloc routines. * emacs.c [not SYSTEM_MALLOC] (main): Call uninterrupt_malloc on startup. * alloc.c: (make_interval, make_float, Fcons, Fmake_vector, Fmake_symbol, Fmake_marker, make_uninit_string, Fgarbage_collect): Use xmalloc instead of malloc; don't bother to check if out of memory here. (Fgarbage_collect): Call xrealloc instead of realloc. * buffer.c: Use xmalloc and xfree instead of malloc and free; don't bother to check if out of memory here. (Fget_buffer_create): Put BLOCK_INPUT/UNBLOCK_INPUT pair around calls to ralloc routines. * insdel.c: Same. * lisp.h (xfree): New extern declaration. * xfaces.c (xfree): Don't #define this to be free; use the definition in alloc.c. * dispnew.c, doc.c, doprnt.c, fileio.c, lread.c, term.c, xfns.c, xmenu.c, xterm.c: Use xfree instead of free. * hftctl.c: Use xfree and xmalloc instead of free and malloc. * keymap.c (current_minor_maps): BLOCK_INPUT while calling realloc and malloc. * search.c: Since the regexp routines can malloc, BLOCK_INPUT while runing them. #include blockinput.h. * sysdep.c: #include blockinput.h. Call xfree and xmalloc instead of free and malloc. BLOCK_INPUT around routines which we know will call malloc. ymakefile (keyboard.o, keymap.o, search.o, sysdep.o, xfaces.o, xfns.o, xmenu.o, xterm.o, xselect.o, alloc.o, eval.o): Note that these depend on blockinput.h.
* Initial revisionJim Blandy1993-03-311-0/+72