Re: Stak dump with tar.[bz2/gz] files (Cygwin)

[Angelo Graziosi]

Eli Zaretskii ha scritto:

> Also, I think the two new threads above are spawned to handle the
> signal.  Maybe you can set a breakpoint in open_stackdumpfile, and
> then, when that breakpoint is hit, see where the main thread caught
> the signal.

Here some results:

$ gdb /usr/local/emacs/bin/emacs.exe
GNU gdb 6.8.0.20080328-cvs (cygwin-special)
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later 
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-pc-cygwin"...
(gdb) break open_stackdumpfile
Function "open_stackdumpfile" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y

Breakpoint 1 (open_stackdumpfile) pending.
(gdb) run -Q
Starting program: /usr/local/emacs/bin/emacs.exe -Q
[New thread 3956.0xda8]
[New thread 3956.0xadc]
[New thread 3956.0x478]
[New thread 3956.0xedc]
[New thread 3956.0x178]
[New thread 3956.0xf80]
[New thread 3956.0x9f4]
[New thread 3956.0xde8]
[New thread 3956.0x1a0]
[Switching to thread 3956.0xadc]

Breakpoint 1, 0x61016416 in open_stackdumpfile () from /usr/bin/cygwin1.dll



C-x C-f hello1.tar.bz2
Parsing tar file...done

here Emacs hangs? The portion of overlapped window isn't redisplayed...



(gdb) c
Continuing.
      3 [sig] emacs 3956 open_stackdumpfile: Dumping stack trace to 
emacs.exe.stackdump

Program exited with code 0103000.
(gdb)


As alternative:

[...]
an alternative

[Switching to thread 3692.0xc0c]

Breakpoint 1, 0x61016416 in open_stackdumpfile () from /usr/bin/cygwin1.dll
(gdb) bt
#0  0x61016416 in open_stackdumpfile () from /usr/bin/cygwin1.dll
#1  0x6101669e in stackdump () from /usr/bin/cygwin1.dll
#2  0x61017fd5 in _cygtls::signal_exit () from /usr/bin/cygwin1.dll
#3  0x61018638 in sigpacket::process () from /usr/bin/cygwin1.dll
#4  0x61099f57 in wait_sig () from /usr/bin/cygwin1.dll
#5  0x61002f32 in cygthread::callfunc () from /usr/bin/cygwin1.dll
#6  0x61003769 in cygthread::stub () from /usr/bin/cygwin1.dll
#7  0x00001074 in ?? ()
#8  0x00000000 in ?? ()
(gdb) c
Continuing.
      3 [sig] emacs 3692 open_stackdumpfile: Dumping stack trace to 
emacs.exe.stackdump

Program exited with code 0103000.
(gdb)


   Angelo.