Mercurial > hg > xemacs-beta
view src/broken-sun.h @ 1268:fffe735e63ee
[xemacs-hg @ 2003-02-07 11:50:50 by ben]
fixes for menu crashes + better preemption behavior
This contains two related changes:
(1) Fix problems with reentrant calling of lwlib and associated
crashes when selecting menu items.
(2) Improve redisplay handling of preemption. Turn on lazy lock
and hold down page-down or page-up and you'll see what I mean.
They are related because they both touch on the code that retrieves
events and handles the internal queues.
console-msw.h, event-msw.c, event-stream.c, events.h, menubar-msw.c, menubar-x.c, menubar.h: mswindows_protect_modal_loop() has been generalized to
event_stream_protect_modal_loop(), and moved to event-stream.c.
mswindows_in_modal_loop ->in_modal_loop likewise. Changes in
event-msw.c and menubar-msw.c for the new names and calling format
(use structures instead of static variables in menubar-msw.c).
Delete former in_menu_callback and use in_modal_loop in its place.
Remove emacs_mswindows_quit_check_disallowed_p(), superseded by
in_modal_loop. Use event_stream_protect_modal_loop() in
pre_activate_callback() so that we get no lwlib reentrancy.
Rearrange some of the code in event-msw.c to be grouped better.
Make mswindows_drain_windows_queue() respect in_modal_loop and
do nothing if so.
cmdloop.c, event-stream.c: Don't conditionalize on LWLIB_MENUBARS_LUCID when giving error when
in_modal_loop, and give better error.
event-Xt.c, event-gtk.c: If in_modal_loop, only retrieve process and timeout events.
Don't retrieve any X events because processing them can lead
to reentrancy in lwlib -> death.
event-stream.c: Remove unused parameter to check_event_stream_ok() and change
all callers.
lisp.h, event-stream.c: Rearrange some functions for increased clarity -- in particular,
group all the input-pending/QUIT-related stuff together, and
put right next to next-event stuff, to which it's related.
Add the concept of "HOW_MANY" -- when asking whether user input
is pending, you can ask if at least HOW_MANY events are pending,
not just if any are. Add parameter to detect_input_pending()
for this. Change recursive_sit_for from a Lisp_Object (which
could only be Qt or Qnil) to an int, like it should be.
event-Xt.c, event-gtk.c, event-xlike-inc.c: New file.
Abstract out similar code in event_{Xt/gtk}_pending_p() and write
only once, using include-file tricks. Rewrite this function to
implement HOW_MANY and only process events when not in_modal_loop.
event-msw.c: Implement HOW_MANY and only process events when not in_modal_loop.
event-tty.c: Implement HOW_MANY.
redisplay.c: Add var `max-preempts' to control maximum number of preempts.
(#### perhaps not useful) Rewrite preemption check so that,
rather than preempting when any user events are available, only
preempt when a certain number (currently 4) of them are backed up.
This effectively allows redisplay to proceed to completion in the
presence of a fast auto-repeat (usually the auto-repeating is
generated dynamically as necessary), and you get much better
display behavior with lazy-lock active.
event-unixoid.c: Comment changes.
event-stream.c: Rewrite discard-input much more simply and safely using the
drain-queue functions. I think the old version might loop
forever if called when in_modal_loop.
SEMI-UNRELATED CHANGES:
-----------------------
event-stream.c: Turn QUIT-checking back on when running the pre-idle hook so it
can be quit out of.
indent.c: Document exact functioning of `vertical-motion' better, and its
differences from GNU Emacs.
author | ben |
---|---|
date | Fri, 07 Feb 2003 11:50:54 +0000 |
parents | 943eaba38521 |
children | c3cf7db99b98 |
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/* This file is part of XEmacs. XEmacs is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. XEmacs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with XEmacs; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Synched up with: Not in FSF. */ /* Authorship: JWZ: long ago. */ /* Sun's standard and GCC's header files leave out prototypes for all sorts of functions. */ #ifndef INCLUDED_broken_sun_h_ #define INCLUDED_broken_sun_h_ #ifdef __GNUC__ #include <stdlib.h> #include <stddef.h> /*********************** stdlib functions *********************/ /* void * memchr (const void *, int, size_t); */ /* int memcmp (const void *, const void *, size_t); */ /* void * memcpy (void *, const void *, size_t); */ /* void * memmove (void *, const void *, size_t);*/ /* void * memset (void *, int, int); */ /* char * strcat (char *, const char *); */ /* char * strchr (const char *, int); */ /* int strcmp (const char *, const char *); */ /* Yes, they even left these functions out! */ int tolower (int); int toupper (int); /*********************** stdio functions *********************/ #include <stdio.h> /* else can't declare FILE */ /* FILE *fopen (const char *, const char *); */ /* FILE *freopen (const char *, const char *, FILE *); */ FILE *tmpfile (void); int fclose (FILE *); char *fgets (char *, int, FILE *); int fgetc (FILE *); int fflush (FILE *); int fprintf (FILE *, const char *, ...); int fputc (char, FILE *); int fputs (const char *, FILE *); size_t fread (void *, size_t, size_t, FILE *); int fscanf (FILE *, const char *, ...); int fgetpos (FILE *, long *); int fseek (FILE *, long, int); int fsetpos (FILE *, const long *); long ftell (FILE *); size_t fwrite (const void *, size_t, size_t, FILE *); char *gets (char *); int pclose (FILE *); void perror (const char *); int printf (const char *, ...); int puts (const char *); int remove (const char *); int rename (const char *, const char *); int rewind (FILE *); int scanf (const char *, ...); int sscanf (const char *, const char *, ...); void setbuf (FILE *, char *); int setvbuf (FILE *, char *, int, size_t); int ungetc (int, FILE *); int vprintf (const char *, void *); int vfprintf (FILE *, const char *, void *); char *vsprintf (char *, const char *, void *); /*********************** signal functions *********************/ int sigblock (int); #ifndef sigmask int sigmask (int); #endif int sigsetmask (int); int sigpause (int); /*********************** time functions ***********************/ struct timeval; struct timezone; int utimes (const char *, struct timeval *); void tzset (void); time_t time (time_t *); int gettimeofday (struct timeval *, struct timezone *); /*********************** file-system functions *********************/ struct stat; #include </usr/include/sys/types.h> int fsync (int); int lstat (const char *, struct stat *); int fchmod (int, mode_t); char *mktemp (char *); /* int creat (const char *, mode_t); better no decl than a conflicting one... */ int symlink (const char *, const char *); int readlink (const char *, char *, int); void sync (void); int select (int, fd_set *, fd_set *, fd_set *, struct timeval *); char * getwd (char *); /* int lseek (int, long, int); better no decl than a conflicting one... */ int _filbuf (); int _flsbuf (); /**************** interprocess communication functions ******************/ int recv (int, char *, int, int); int socket (int, int, int); struct sockaddr; int connect (int, struct sockaddr *, int); int bind (int, struct sockaddr *, int); int listen (int, int); int accept (int, struct sockaddr *, int *); int gethostname (char *, int); struct rusage; int wait3 (void *, int, struct rusage *); int nice (int); int killpg (int, int); int system (char *); /*********************** low-level OS functions *********************/ int ioctl (int, int, ...); struct nlist; int nlist (const char *, struct nlist *); int munmap (void *, int); int brk (void *); void * sbrk (int); struct rlimit; int getrlimit (int, struct rlimit *); int getpagesize (void); int shutdown (int, int); int mprotect (void *, int, int); /*********************** miscellaneous functions *********************/ void tputs (const char *cp, int affcnt, void (*)(int)); long random (void); int srandom (int seed); #endif /* __GNUC__ */ #endif /* INCLUDED_broken_sun_h_ */