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Non-stop inferior control.

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* infrun.c (resume): In non-stop mode, always resume just one
	thread.
	(proceed): Don't call prepare_to_proceed in non-stop mode.
	(fetch_inferior_event): In non-stop mode, switch context before
	handling the event.
	(error_is_running, ensure_not_running): New.
	(handle_inferior_event): In non-stop mode: Mark only the event
	thread as stopped.  Require that the target module manages adding
	threads to the thread list.  Assert that there isn't a
	deferred_step_ptid set.  Don't switch to infwait_thread_hop_state.
	(normal_stop): Only mark not-running if inferior hasn't exited.
	In non-stop mode, only mark the event thread.

	* thread.c:Include "cli/cli-decode.h".
	(print_thread_info): Don't read from a running thread.
	Output "(running)" if thread is running.
	(switch_to_thread): Don't read stop_pc if thread is executing.
	(do_restore_current_thread_cleanup): Don't write to a running
	thread.
	(thread_apply_all_command): Don't read from a running thread.  In
	non-stop mode, do a full context-switch instead of just switching
	threads.
	(thread_apply_command): In non-stop mode, do a full context-switch
	instead of just switching threads.
	(do_captured_thread_select): Likewise.  Inform user if selected
	thread is running.
	(_initialize_thread): Mark "info threads" and "thread" and
	async_ok.

	* inf-loop.c (inferior_event_handler): In non-stop mode, don't
	unregister the target from the event loop.

	* infcmd.c (continue_command, step_1, jump_command)
	(signal_command): Ensure the selected thread isn't running.
	(interrupt_target_command): In non-stop mode, interrupt only the
	selected thread.

	* inferior.h (error_is_running, ensure_not_running): Declare.

	* target.h (struct target_ops): Add ptid argument to the to_stop
	member.
	(target_stop): Add ptid_t argument.

	* target.c (update_current_target): Add ptid argument to to_stop's
	type.
	(debug_to_stop): Add ptid_t argument.
	(debug_to_rcmd): Set to_stop_ptid.

	* remote.c (remote_stop): Add ptid_t argument.
	(async_remote_interrupt): Add inferior_ptid to target_stop.
	* inf-ptrace.c (inf_ptrace_stop): Add ptid argument.

	* Makefile.in (thread.o): Depend on $(cli_decode_h).
This commit is contained in:
Pedro Alves
2008-07-09 22:42:43 +00:00
parent 59f0d5d953
commit 94cc34afe2
11 changed files with 258 additions and 72 deletions
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7
gdb/infcmd.c
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@@ -613,6 +613,7 @@ continue_command (char *proc_count_exp, int from_tty)
{
int async_exec = 0;
ERROR_NO_INFERIOR;
ensure_not_running ();
/* Find out whether we must run in the background. */
if (proc_count_exp != NULL)
@@ -714,6 +715,7 @@ step_1 (int skip_subroutines, int single_inst, char *count_string)
int thread = -1;
ERROR_NO_INFERIOR;
ensure_not_running ();
if (count_string)
async_exec = strip_bg_char (&count_string);
@@ -936,6 +938,7 @@ jump_command (char *arg, int from_tty)
int async_exec = 0;
ERROR_NO_INFERIOR;
ensure_not_running ();
/* Find out whether we must run in the background. */
if (arg != NULL)
@@ -1036,6 +1039,7 @@ signal_command (char *signum_exp, int from_tty)
dont_repeat (); /* Too dangerous. */
ERROR_NO_INFERIOR;
ensure_not_running ();
/* Find out whether we must run in the background. */
if (signum_exp != NULL)
@@ -2102,7 +2106,8 @@ interrupt_target_command (char *args, int from_tty)
if (target_can_async_p ())
{
dont_repeat (); /* Not for the faint of heart */
target_stop ();
target_stop (inferior_ptid);
}
}