Re: [patch, rfc, rft] Multi-threaded single-step vs. breakpoint problems (prepare_to_proceed)

[Daniel Jacobowitz <drow@false.org>]

On Fri, Aug 03, 2007 at 06:54:34PM +0200, Ulrich Weigand wrote:
> ChangeLog:
> 
> 	* infrun.c (stepping_past_breakpoint): New global variable.
> 	(stepping_past_breakpoint_ptid): Likewise.
> 	(prepare_to_proceed): Add STEP parameter.  Do not check for Ctrl-C.
> 	Only switch threads if we need to single-step over a breakpoint hit
> 	in the previously selected thread.  If stepping, remember previous
> 	thread to switch back to in STEPPING_PAST_BREAKPOINT[_PTID].  Call
> 	switch_to_thread instead of copying its contents.
> 	(proceed): Pass STEP to prepare_to_proceed.  Always set ONEPROC if
> 	prepare_to_proceed returns true.
> 	(init_wait_for_inferior): Reset STEPPING_PAST_BREAKPOINT.
> 	(context_switch): Call switch_to_thread.
> 	(handle_inferior_event): Switch back to previous thread if requested
> 	in STEPPING_PAST_BREAKPOINT[_PTID] by prepare_to_proceed.
> 	* gdbthread.h (switch_to_thread): Add prototype.
> 	* thread.c (switch_to_thread): Make global.

No one else has commented on this patch in the last month; I think you
should probably commit it (though you may wish to wait until after
the release branch - I've no preference).

-- 
Daniel Jacobowitz
CodeSourcery