changelog

早期freebsd实现

	Let programmer force a preemption from the debugger.

Sat Aug 25 14:22:39 1990  Richard Stallman  (rms at mole.ai.mit.edu)

	* xdisp.c (try_window_id): Record info for debugging.

	* x11term.c (CursorToggle): If in highlighted line, call dummy.

Thu Aug 23 16:41:11 1990  Richard Stallman  (rms at mole.ai.mit.edu)

	* process.c (wait_reading_process_output):
	Don't deactivate process for eof if SIGCHLD is defined.
	That used to mask the proper exit status.

Wed Aug 22 12:40:29 1990  Richard Stallman  (rms at mole.ai.mit.edu)

	* m-plexus.h (LD_SWITCH_MACHINE): New macro.

Mon Aug 20 23:29:08 1990  Richard Stallman  (rms at mole.ai.mit.edu)

	* malloc.c (malloc_usable_size, memalign): Count size of header
	properly.

Thu Aug 16 13:51:23 1990  Richard Stallman  (rms at mole.ai.mit.edu)

	* keymap.c (apropos1): At least 1 space between fn name and keys.

Wed Aug 15 14:44:12 1990  Richard Stallman  (rms at mole.ai.mit.edu)

	* term.c (calculate_costs): Make DC_ICcost one element larger.

	* process.c (allocate_pty, create_process): 
	(Fopen_network_stream, wait_reading_process_input):
	Use O_NONBLOCK if it is defined.
	(wait_reading_process_input): Ignore nread == 0 if using O_NDELAY.

	* process.c (pty_name): New name for ptyname.

Tue Aug 14 22:13:00 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* fileio.c (Finsert_file_contents): Ensure `i' appears initialized.

	* process.c (create_process) [HPUX]: Avoid calling signal;
	HPUX has sigsetmask.

Mon Aug 13 18:32:16 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* x11term.c (x_term_init): Turn off use of XIgnoreError.
	(internal_socket_read): Turn off O_NDELAY if FIOSNBIO will be used.

	* xmenu.c (list_of_items, list_of_panes): Fix typos in wta errors.

Sat Aug 11 19:00:49 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* m-convex.h (C_SWITCH_MACHINE, LIB_STANDARD, LIBS_MACHINE):
	(LD_SWITCH_MACHINE): Add definitions for Convex V 4.0.

Wed Aug  8 13:50:25 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* x11term.c (internal_socket_read): Make XComposeStatus static.

Tue Aug  7 16:11:57 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* sysdep.c [NEED_PTEM_H]: New flag macro says include ptem.h.

	* x11term.c (XTfeep): Call XFlush.

	* x11term.c (XT_Set_Size_Hints): Move resize after setting hints.

Mon Aug  6 23:48:00 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* x11fns.c (Fx_set_background_color): Set bkgd color of cursor GC.

Sun Jul 29 14:16:05 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* x11term.c (local_cursor_vpos, local_cursor_hpos): 
	New variables, used throughout this file instead of cursor_*.
	(XTupdate_end): Move cursor to last specified position.
	This makes cursor_in_echo_area work.

	* Makefile (CPP): Use $(CC).

	* editfns.c (init_editfns): Fix typos.

Sat Jul 28 22:14:16 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* doprnt.c (doprnt): Support negative width for %s.

Fri Jul 27 17:15:20 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* dispnew.c (change_screen_size): Set screen_garbaged.

Mon Jul 23 15:51:01 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* scroll.c (CalcLID): Run loop screen_height times.
	(calculate_scrolling): Offset *_cost by -1.

Tue Jul 17 17:42:46 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* m-mips.h: Fix unterminated comment.

	* fileio.c (Finsert_file_contents): Initialize I exiting main loop.

	* fileio.c (barf_or_query_if_file_exists): Fix bad arg to Fsignal.

Tue Jul 10 15:54:25 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* process.c (wait_reading_process_input):
	Test of wait_proc->status was backwards.

	* sysdep.c: New parameter NO_SIOCTL_H.
	* s-386ix.h: New file.

Mon Jul  9 14:33:07 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* m-pmax.h: Undef LD_SWITCH_MACHINE, change DATA_START
	and DATA_SEG_BITS.

Thu Jul  5 15:34:31 1990  Richard Stallman  (rms at mole.ai.mit.edu)

	* s-iris3-6.h (HAVE_GETWD): Define this.
	(KERNEL_FILE): Change to /unix.
	(sigsetmask, sigblock, NEED_ERRNO, C_SWITCH_MACHINE): Turn off.
	(SIGIO): Don't undefine it.
	(LIBS_MACHINE): Remove -lbsd.

	* term.c (calculate_costs): Fix typo allocating DC_ICcost.

Thu Jul  5 13:38:24 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* minibuf.c (Fall_completions, do_completion): Treat nil as alist.
	(Ftry_completion): Likewise.

Sun Jul  1 17:21:40 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* sysdep.c: Undefine TIOCGETC if BROKEN_TIOCGETC defined.
	* s-usg5-3.h: Define BROKEN_TIOCGETC.

Thu Jun 28 13:44:46 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* term.c (calculate_costs): Always allocate chars_wasted and copybuf.
	Clear chars_wasted.

	* xdisp.c (display_text_line): Check p1prev against startp for `...'.

Tue Jun 26 12:37:45 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* fileio.c (Fdo_auto_save): If don't save because file has shrunk,
	that still counts as trying.

Sun Jun 24 14:30:17 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* x11term.c (dumprectangle, CursorToggle, dumpchars): Use new
	screen data structures.
	* xterm.c (dumprectangle, CursorToggle, dumpchars): Likewise.
	Also, use current_screen in place of active_screen
	since in fact only that screen matrix was ever used.

	* dispextern.h: Add `extern' to variable declarations.

Sat Jun 23 14:12:01 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* process.c [HPUX]: Undefine TIOCGPGRP.

	* editfns.c, fileio.c, filelock.c [HPUX]: Include stdio.h.

	* s-hpux.h: Inclusion of wait.h moved from m-hp9000s300.h.
	(HAVE_RENAME): Define this.
	* sysdep.c (HAVE_RANDOM): Define this on hpux with x11.
	(rename): Check HAVE_RENAME.

	* lread.c (read_escape): Don't use \a.

Wed Jun 20 12:44:16 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* m-sun2.h: Add comment for dealing with 68881.

Tue Jun 19 01:36:26 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* m-ibmps2-aix.h: Define C_DEBUG_SWITCH to optimize for gcc.
	Define LIB_STANDARD rather than LIBS_MACHINE.
	Define HAVE_PTYS, HAVE_SOCKETS, HAVE_SYSVIPC, X_DEFAULT_FONT.
	Undefine sigsetmask.

	* sysdep.c: Don't include sioctl.h on aix386.

	* process.c: Use HAVE_WAIT_HEADER.

Sun Jun 17 17:57:31 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* insdel.c (insert): Error if buffer would get too long.
	* fileio.c (Finsert_file_contents): Likewise.

Sat Jun 16 23:31:41 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* syntax.c (scan_lists, scan_sexps_forward): Allow Squote in symbols.

Sun May 27 18:33:35 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* process.h (struct Lisp_Process): Add element pty_flag.
	* process.c (create_process): Initialize that.
	(process_send_signal): Ignore current_process if no pty.

	* syntax.c (scan_sexps_forward): Initialize curlevel->last.

Sat May 26 03:15:22 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* keyboard.c (command_loop_1): Clear this_command_key_count here.
	(Fread_key_sequence): And here.
	(read_key_sequence): Not here.

	* indent.c (current_column): Detect special case when point == BEGV.

	* window.c (unshow_buffer): Don't set pt in selected window's buffer.

	* process.c (status_message): Fix screwup in Qexit case.

Fri May 25 15:10:30 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* dispnew.c (update_screen):
	Add missing else in handling cursor_in_echo_area.

	* window.c (Fselect_window): Always get point from the new window.
	* xdisp.c (redisplay_window): Eliminate lpoint.  Alter opoint 
	if point should be changed permanently in the selected window.

	* xdisp.c (decode_mode_spec): Don't truncate buffer or file name.

	* editfns.c (Finsert_buffer_substring): Don't fail to set beg, end.

	* dispnew.c (safe_bcopy): Fix backwards conditional.
	Do both cases explicitly; don't use bcopy.
	(scroll_screen_lines): Fix amount to rotate by for AMOUNT < 0.

Tue May 22 20:50:33 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* Renamings: Renamed functions include
	move_cursor, bell, read_command_char, insert, output_chars, 
	self_insert_internal, set_buffer_internal.
	Variables echo_area_contents, cursor_hpos, cursor_vpos, meta_key,
	update_mode_lines, current_buffer.
	Macros SET_PT, FROM_KBD, FETCH_CHARS.

	* keyboard.c (defkey): Function deleted.  ndefkey used instead.
	(Vglobal_map, global_map, Vesc_map, Vctl_x_map): Now type Lisp_Object.

Mon May 21 14:32:37 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* buffer.h (struct buffer_text): Component renamed.
	All refs changed to macros below.
	(MODIFF, BUF_MODIFF): New macros.

	* xdisp.c (redisplay_window): Fix backward conditional on point_vpos.

	* xdisp.c (redisplay_window): Set bf_cur directly.
	* buffer.c (SetBfx): Function deleted.

Sun May 20 17:27:06 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* keyboard.c (command_loop_level): New variable.
	Used in place of RecurseDepth, but different meaning.
	(recursive_edit_1): New function.
	(Frecursive_edit): Call that.
	* minibuf.c (read_minibuf): Call recursive_edit_1.
	* xdisp.c (RecurseDepth): Variable deleted.

	* print.c: Include dispextern.h.
	(printchar, strout): Use message_buf.

	* scroll.c (CalcIDCosts): Dynamically allocate ILcost, etc.
	(ILcost, DLcost, ILncost, DLncost): Now pointers.
	(do_scrolling): Use alloca for queue.

	* term.c (calculate_costs):
	Dynamically allocate chars_wasted, copybuf, DC_ICcost.
	Set RPov based on actual width.
	(chars_wasted, copybuf, DC_ICcost): Now pointers.

	* term.c (term_init): Don't use MScreenWidth, MScreenLength at all.
	* sysdep.c (get_screen_size): Likewise.
	* dispnew.c (change_screen_size_1): Likewise.

	* dispnew.c (remake_screen_structures): Allocate message_buf.
	* xdisp.c (message_buf): Now is a pointer.

Sat May 19 15:10:11 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* keyboard.c (get_char): Don't echo dash if have other echo area text.

Fri May 18 15:03:06 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* lread.c (openp): Fix error setting fd after failing `access'.

	* dired.c (file_name_completion): Use scmp to compare names.

	* sysdep.c (setup_pty): New function.

Thu May 17 15:58:05 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* malloc.c (calloc): New function.

	* minibuf.c (Fall_completions): Protect STRING from gc.
	Copy ALIST to TAIL to protect it.

	* paths.h-dist: Doc fix.

	* process.h (struct Lisp_Process): New components status
	contains process status in Lispy form.  Replaces flags and reason.
	New components tick and update_tick record need for attention.
	* process.c: All references updated.
	(status_convert, decode_status, status_message): New functions.
	(pty): Return a descriptor or -1.
	(send_process): Function deleted.
	(send_process_1): Renamed to send_process.
	(process_send_signal, sigchld_handler, status_notify): Renamed fns.
	* sysdep.c (setup_pty): New function.

	* print.c (internal_with_output_to_temp_buffer):
	Save and restore the current buffer.

Sat May 12 18:09:30 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* process.c (create_process) [not USG]: Put subproc in pgrp 0.

	* buffer.c (SetBfp): Don't bother with selected window or its point.
	* window.c (Fselect_window): Always set pointm of old window. 

Thu May 10 18:20:10 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* dispnew.c (make_screen_structure): Clear out enable vector.

Wed May  9 16:55:30 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* insdel.c (make_gap): Arg is amount of new gap to create.
	All calls changed.

	* buffer.c (Fget_buffer_create):
	-2 in buffer_local_flags means init the slot.

	* buffer.c (SetBfp, Frename_buffer): Local cleanups.

	* buffer.c (Fset_buffer): Check for deleted buffer.
	(SetBfp): Don't check.	
	* print.c (PRINTPREPARE): Use Fset_buffer.

Tue May  8 23:00:00 1990  Richard Stallman  (rms at sugar-bombs.ai.mit.edu)

	* buffer.h (struct text): Represent the buffer dimensions
	with new slots, memory, begv, pt, gpt, zv, z and gap_size.
	(BEGV, etc.): Use new slots.
	(CharAt): Likewise.
	(BufferSafeCeiling, BufferSafeFloor): Use new slots; fix old bugs.
	(bf_p1, bf_s1, etc.): Old macros deleted.

	* buffer.c (Fget_buffer_create): Set up memory and new slots.
	(Fkill_buffer): Likewise.

	* insdel.c (move_gap, gap_left, gap_right, make_gap): Update new slots.
	(del_range, InsCStr): Likewise.
	* fileio.c (Finsert_file_contents): Likewise.
	* window.c (temp_output_buffer_show): Likewise.
	* xdisp.c (decode_mode_spec, try_window_id): Likewise.

	* buffer.c (ModExist): Function deleted.

	* buffer.h (struct buffer): Make the syntax table a Lisp object.
	* alloc.c (mark_buffer): No need to treat it specially.
	* syntax.c (Fsyntax_table, Fset_syntax_table, Fdescribe_syntax):
	(Fmodify_syntax_entry): Adjust for this change.
	* buffer.c (reset_buffer_local_variables): Need not be special.
	(init_buffer_once): Make this slot a defaulted local variable.
	* syntax.h: Adjust macros for this change.
	(Vstandard_syntax_table): Define as macro, in buffer_defaults.
	* syntax.c (syms_of_syntax): Don't staticpro it here.
	(Fset_syntax_table): Set the flag in local_var_flags.