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Use thread_info_ref in stop_context

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This changes stop_context to use a thread_info_ref, removing some
manual reference counting.

gdb/ChangeLog
2020-12-11  Tom Tromey  <tom@tromey.com>

	* infrun.c (struct stop_context) <thread>: Now a thread_info_ref.
	(stop_context::stop_context): Update.
	(stop_context::~stop_context): Remove.
This commit is contained in:
Tom Tromey
2020-12-11 09:21:53 -07:00
parent 51107df53a
commit d634cd0bce
2 changed files with 8 additions and 15 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2020-12-11 Tom Tromey <tom@tromey.com>
* infrun.c (struct stop_context) <thread>: Now a thread_info_ref.
(stop_context::stop_context): Update.
(stop_context::~stop_context): Remove.
2020-12-11 Tom Tromey <tom@tromey.com>
* inferior.c (current_inferior_): Change type.

17
gdb/infrun.c
View File

@ -8097,7 +8097,6 @@ maybe_remove_breakpoints (void)
struct stop_context
{
stop_context ();
~stop_context ();
DISABLE_COPY_AND_ASSIGN (stop_context);
@ -8112,7 +8111,7 @@ struct stop_context
/* If stopp for a thread event, this is the thread that caused the
stop. */
struct thread_info *thread;
thread_info_ref thread;
/* The inferior that caused the stop. */
int inf_num;
@ -8131,20 +8130,8 @@ stop_context::stop_context ()
{
/* Take a strong reference so that the thread can't be deleted
yet. */
thread = inferior_thread ();
thread->incref ();
thread = thread_info_ref::new_reference (inferior_thread ());
}
else
thread = NULL;
}
/* Release a stop context previously created with save_stop_context.
Releases the strong reference to the thread as well. */
stop_context::~stop_context ()
{
if (thread != NULL)
thread->decref ();
}
/* Return true if the current context no longer matches the saved stop