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Shuffle user_visible_resume_ptid

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... and move comment to declaration.

gdb/ChangeLog:
2015-03-24  Pedro Alves  <palves@redhat.com>

	* infrun.c (user_visible_resume_ptid): Rewrite going from
	most-locked to unlocked instead of the opposite.  Move comment ...
	* infrun.h (user_visible_resume_ptid): ... here.
This commit is contained in:
Pedro Alves 2015-03-24 14:24:53 +00:00
parent 2bf6fb9d85
commit f3263aa47e
3 changed files with 29 additions and 17 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2015-03-24 Pedro Alves <palves@redhat.com>
* infrun.c (user_visible_resume_ptid): Rewrite going from
most-locked to unlocked instead of the opposite. Move comment ...
* infrun.h (user_visible_resume_ptid): ... here.
2015-03-24 Pedro Alves <palves@redhat.com>
* linux-nat.c (linux_nat_resume): Output debug logs before trying

32
gdb/infrun.c
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@ -1997,19 +1997,13 @@ maybe_software_singlestep (struct gdbarch *gdbarch, CORE_ADDR pc)
return hw_step;
}
/* See infrun.h. */
ptid_t
user_visible_resume_ptid (int step)
{
/* By default, resume all threads of all processes. */
ptid_t resume_ptid = RESUME_ALL;
ptid_t resume_ptid;
/* Maybe resume only all threads of the current process. */
if (!sched_multi && target_supports_multi_process ())
{
resume_ptid = pid_to_ptid (ptid_get_pid (inferior_ptid));
}
/* Maybe resume a single thread after all. */
if (non_stop)
{
/* With non-stop mode on, threads are always handled
@ -2019,16 +2013,22 @@ user_visible_resume_ptid (int step)
else if ((scheduler_mode == schedlock_on)
|| (scheduler_mode == schedlock_step && step))
{
/* User-settable 'scheduler' mode requires solo thread resume. */
/* User-settable 'scheduler' mode requires solo thread
resume. */
resume_ptid = inferior_ptid;
}
else if (!sched_multi && target_supports_multi_process ())
{
/* Resume all threads of the current process (and none of other
processes). */
resume_ptid = pid_to_ptid (ptid_get_pid (inferior_ptid));
}
else
{
/* Resume all threads of all processes. */
resume_ptid = RESUME_ALL;
}
/* We may actually resume fewer threads at first, e.g., if a thread
is stopped at a breakpoint that needs stepping-off, but that
should not be visible to the user/frontend, and neither should
the frontend/user be allowed to proceed any of the threads that
happen to be stopped for internal run control handling, if a
previous command wanted them resumed. */
return resume_ptid;
}

8
gdb/infrun.h
View File

@ -95,7 +95,13 @@ extern void proceed (CORE_ADDR, enum gdb_signal);
extern void resume (enum gdb_signal);
/* Return a ptid representing the set of threads that we will proceed,
in the perspective of the user/frontend. */
in the perspective of the user/frontend. We may actually resume
fewer threads at first, e.g., if a thread is stopped at a
breakpoint that needs stepping-off, but that should not be visible
to the user/frontend, and neither should the frontend/user be
allowed to proceed any of the threads that happen to be stopped for
internal run control handling, if a previous command wanted them
resumed. */
extern ptid_t user_visible_resume_ptid (int step);
extern void wait_for_inferior (void);