[patch] Fix Linux attach to signalled/stopped processes

[Jan Kratochvil]

On Thu, 01 May 2008 20:50:18 +0200, Daniel Jacobowitz wrote:
> Thanks, I've merged it.  Here's what I checked in.

Please note the ChangeLog has no entry for this commit:
	http://sourceware.org/ml/gdb-cvs/2008-05/msg00010.html

Regards,
Jan


> 2008-05-01  Daniel Jacobowitz  <dan@codesourcery.com>
> 	    Pedro Alves  <pedro@codesourcery.com>
> 
> 	Based on work by Jan Kratochvil <jan.kratochvil@redhat.com> and Jeff
>  	Johnston <jjohnstn@redhat.com>.
> 
> 	* NEWS: Mention attach to stopped process fix.
> 	* infcmd.c (detach_command, disconnect_command): Discard the thread
> 	list.
> 	* infrun.c (handle_inferior_event): Do not ignore non-SIGSTOP while
> 	attaching.  Use signal_stop_state.
> 	(signal_stop_state): Check stop_soon.
> 	* linux-nat.c (kill_lwp): Declare earlier.
> 	(pid_is_stopped, linux_nat_post_attach_wait): New.
> 	(lin_lwp_attach_lwp): Use linux_nat_post_attach_wait.  Update
> 	comments.
> 	(linux_nat_attach): Use linux_nat_post_attach_wait.
> 	(detach_callback, linux_nat_detach): Improve handling for signalled
> 	processes.
> 	(linux_nat_pid_to_str): Always print out the LWP ID if it differs
> 	from the process ID.
> 	* Makefile.in (infcmd.o): Update.
> 
> 2008-05-01  Jan Kratochvil  <jan.kratochvil@redhat.com>
> 	    Daniel Jacobowitz  <dan@codesourcery.com>
> 
> 	* gdb.threads/attach-into-signal.c, gdb.threads/attach-into-signal.exp,
> 	gdb.threads/attach-stopped.c, gdb.threads/attach-stopped.exp,
> 	gdb.threads/attachstop-mt.c, gdb.threads/attachstop-mt.exp: New.
> 
> Index: Makefile.in
> Index: NEWS
> Index: infcmd.c
> Index: infrun.c
> Index: linux-nat.c
> Index: testsuite/gdb.threads/attach-into-signal.c
> Index: testsuite/gdb.threads/attach-into-signal.exp
> Index: testsuite/gdb.threads/attach-stopped.c
> Index: testsuite/gdb.threads/attach-stopped.exp
> Index: testsuite/gdb.threads/attachstop-mt.c
> Index: testsuite/gdb.threads/attachstop-mt.exp