Re: 4 week-old pretest bugs

[Jan Djärv]

Chris Moore skrev:
> Richard Stallman <address@hidden> writes:
>
> >      * running the same build on the same debian sid machine under KDE
>
> > when you run it under KDE, is that the GTK build of Emacs?
>
> It's the same build in all cases.  The same binary files.  I make a
> ".deb" package from the results of the build and install that same
> package on both machines, and run that same package under the various
> desktop environments.  So in all cases it's using GTK.
>
> > Unfortunately, the comparison between the two machines is not very
> > conclusive because so many things could be different between them.
>
> I don't know if you saw the silly patch for the problem which I posted
> earlier today, but adding a static integer variable and incrementing
> it before incrementing interrupt_input_blocked in the #define for
> BLOCK_INPUT fixes the bug!
>
> I arrived at that fix through a process of trial and error, not
> through any understand at all of what's going on.

It is probably very timing related.  A small change changes the timing.  Can 
you try the attachet patch?

        Jan D.


Index: alloc.c
*** alloc.c.~1.405.~    2007-01-01 19:19:05.000000000 +0100
--- alloc.c     2007-01-11 08:44:47.000000000 +0100
***************
*** 130,137 ****
  #define BLOCK_INPUT_ALLOC                       \
    do                                            \
      {                                           \
!       if (pthread_self () == main_thread)     \
!       BLOCK_INPUT;                            \
        pthread_mutex_lock (&alloc_mutex);      \
      }                                           \
    while (0)
--- 130,137 ----
  #define BLOCK_INPUT_ALLOC                               \
    do                                                    \
      {                                                   \
!       if (pthread_equal (pthread_self (), main_thread)) \
!         sigblock (sigmask (SIGIO));                     \
        pthread_mutex_lock (&alloc_mutex);                \
      }                                                   \
    while (0)
***************
*** 139,146 ****
    do                                            \
      {                                           \
        pthread_mutex_unlock (&alloc_mutex);    \
!       if (pthread_self () == main_thread)     \
!       UNBLOCK_INPUT;                          \
      }                                           \
    while (0)
  
--- 139,146 ----
    do                                                    \
      {                                                   \
        pthread_mutex_unlock (&alloc_mutex);              \
!       if (pthread_equal (pthread_self (), main_thread)) \
!         sigunblock (sigmask (SIGIO));                   \
      }                                                   \
    while (0)