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Remove global continuations in favour of a per-thread

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continuations.

	* gdbthread.h (struct thread_info): Add comments around
	continuations and intermediate_continuations.
	(save_infrun_state, load_infrun_state): Delete continuations and
	intermediate_continuations arguments.
	* infrun.c (fetch_inferior_event): Only call normal_stop if
	stop_soon is NO_STOP_QUIETLY.
	(context_switch): Don't context-switch the continuations.
	* thread.c (clear_thread_inferior_resources): Discard all
	continuations of the thread we're clearing.
	(save_infrun_state, load_infrun_state): Delete continuations and
	intermediate_continuations arguments, and the code referencing
	them.
	* utils.c: Include "gdbthread.h".
	(cmd_continuation, intermediate_continuation): Delete.
	(add_continuation): Add thread_info* argument.  Install the
	continuation on it.
	(restore_thread_cleanup): New.
	(do_all_continuations_ptid, do_all_continuations_thread_callback):
	New.
	(do_all_continuations): Reimplement.
	(discard_all_continuations_thread_callback,
	discard_all_continuations_thread): New.
	(discard_all_continuations): Reimplement.
	(add_intermediate_continuation): Add thread_info* argument.
	Install the continuation on it.
	(do_all_intermediate_continuations_thread_callback)
	(do_all_intermediate_continuations_thread): New.
	(do_all_intermediate_continuations): Reimplement.
	(discard_all_intermediate_continuations_thread_callback): New.
	(discard_all_intermediate_continuations_thread): New.
	(discard_all_intermediate_continuations): Reimplement.

	* breakpoint.c (until_break_command): Install the continuation on
	the current thread.

	* defs.h (cmd_continuation, intermediate_continuation): Delete.
	(struct thread_info): Forward declare.
	(add_continuation, add_intermediate_continuation): Add
	thread_info* argument.
	(do_all_continuations_thread, discard_all_continuations_thread)
	(do_all_intermediate_continuations_thread)
	(discard_all_intermediate_continuations_thread): Declare.
	* inf-loop.c (inferior_event_handler): In non-stop only run
	continuations on the thread that stopped.  In all-stop, run
	continuations on all threads.
	* infcmd.c (step_once, finish_command): Adjust.
This commit is contained in:
Pedro Alves
2008-09-08 21:57:42 +00:00
parent 414c69f7a7
commit 95e54da724
8 changed files with 239 additions and 101 deletions
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20
gdb/inf-loop.c
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@@ -98,13 +98,23 @@ inferior_event_handler (enum inferior_event_type event_type,
touch the inferior memory, e.g. to remove breakpoints, so run
them before running breakpoint commands, which may resume the
target. */
do_all_intermediate_continuations ();
if (non_stop
&& target_has_execution
&& !ptid_equal (inferior_ptid, null_ptid))
do_all_intermediate_continuations_thread (inferior_thread ());
else
do_all_intermediate_continuations ();
/* Always finish the previous command before running any
breakpoint commands. Any stop cancels the previous command.
E.g. a "finish" or "step-n" command interrupted by an
unrelated breakpoint is canceled. */
do_all_continuations ();
if (non_stop
&& target_has_execution
&& !ptid_equal (inferior_ptid, null_ptid))
do_all_continuations_thread (inferior_thread ());
else
do_all_continuations ();
if (current_language != expected_language
&& language_mode == language_mode_auto)
@@ -125,7 +135,11 @@ inferior_event_handler (enum inferior_event_type event_type,
case INF_EXEC_CONTINUE:
/* Is there anything left to do for the command issued to
complete? */
do_all_intermediate_continuations ();
if (non_stop)
do_all_intermediate_continuations_thread (inferior_thread ());
else
do_all_intermediate_continuations ();
break;
case INF_QUIT_REQ: