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Change ints to bools around thread_info executing/resumed 

Switch thread_info::resumed to bool (thread_info::executing already is a bool),
and try to change everything more or less related to that to consistently use
true/false instead of 1/0.

gdb/ChangeLog:

	* fork-child.c (gdb_startup_inferior): Use bool instead of int.
	* gdbthread.h (class thread_info) <resumed>: Likewise.
	* infrun.c (resume_1): Likewise.
	(proceed): Likewise.
	(infrun_thread_stop_requested): Likewise.
	(stop_all_threads): Likewise.
	(handle_inferior_event): Likewise.
	(restart_threads): Likewise.
	(finish_step_over): Likewise.
	(keep_going_stepped_thread): Likewise.
	* linux-nat.c (attach_proc_task_lwp_callback): Likewise.
	(linux_handle_extended_wait): Likewise.
	* record-btrace.c (get_thread_current_frame_id): Likewise.
	* record-full.c (record_full_wait_1): Likewise.
	* remote.c (remote_target::process_initial_stop_replies): Likewise.
	* target.c (target_resume): Likewise.
	* thread.c (set_running_thread): Likewise.
This commit is contained in:
Simon Marchi 2020-02-03 23:02:28 -05:00 committed by Simon Marchi
parent c5d7be0c97
commit 719546c44f
10 changed files with 50 additions and 30 deletions
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20
gdb/ChangeLog
View File

@ -1,3 +1,23 @@
2020-02-03 Simon Marchi <simon.marchi@efficios.com>
* fork-child.c (gdb_startup_inferior): Use bool instead of int.
* gdbthread.h (class thread_info) <resumed>: Likewise.
* infrun.c (resume_1): Likewise.
(proceed): Likewise.
(infrun_thread_stop_requested): Likewise.
(stop_all_threads): Likewise.
(handle_inferior_event): Likewise.
(restart_threads): Likewise.
(finish_step_over): Likewise.
(keep_going_stepped_thread): Likewise.
* linux-nat.c (attach_proc_task_lwp_callback): Likewise.
(linux_handle_extended_wait): Likewise.
* record-btrace.c (get_thread_current_frame_id): Likewise.
* record-full.c (record_full_wait_1): Likewise.
* remote.c (remote_target::process_initial_stop_replies): Likewise.
* target.c (target_resume): Likewise.
* thread.c (set_running_thread): Likewise.
2020-02-03 Alok Kumar Sharma <AlokKumar.Sharma@amd.com>
* f-valprint.c (f77_print_array_1): Changed datatype of index

2
gdb/fork-child.c
View File

@ -134,7 +134,7 @@ gdb_startup_inferior (pid_t pid, int num_traps)
ptid_t ptid = startup_inferior (proc_target, pid, num_traps, NULL, NULL);
/* Mark all threads non-executing. */
set_executing (proc_target, ptid, 0);
set_executing (proc_target, ptid, false);
return ptid;
}

6
gdb/gdbthread.h
View File

@ -301,20 +301,20 @@ public:
if the thread does not have a user-given name. */
char *name = NULL;
/* Non-zero means the thread is executing. Note: this is different
/* True means the thread is executing. Note: this is different
from saying that there is an active target and we are stopped at
a breakpoint, for instance. This is a real indicator whether the
thread is off and running. */
bool executing = false;
/* Non-zero if this thread is resumed from infrun's perspective.
/* True if this thread is resumed from infrun's perspective.
Note that a thread can be marked both as not-executing and
resumed at the same time. This happens if we try to resume a
thread that has a wait status pending. We shouldn't let the
thread really run until that wait status has been processed, but
we should not process that wait status if we didn't try to let
the thread run. */
int resumed = 0;
bool resumed = false;
/* Frontend view of the thread state. Note that the THREAD_RUNNING/
THREAD_STOPPED states are different from EXECUTING. When the

24
gdb/infrun.c
View File

@ -2282,7 +2282,7 @@ resume_1 (enum gdb_signal sig)
}
tp->inf->process_target ()->threads_executing = true;
tp->resumed = 1;
tp->resumed = true;
/* FIXME: What should we do if we are supposed to resume this
thread with a signal? Maybe we should maintain a queue of
@ -2410,7 +2410,7 @@ resume_1 (enum gdb_signal sig)
resume_ptid = internal_resume_ptid (user_step);
do_target_resume (resume_ptid, 0, GDB_SIGNAL_0);
tp->resumed = 1;
tp->resumed = true;
return;
}
}
@ -2622,7 +2622,7 @@ resume_1 (enum gdb_signal sig)
}
do_target_resume (resume_ptid, step, sig);
tp->resumed = 1;
tp->resumed = true;
}
/* Resume the inferior. SIG is the signal to give the inferior
@ -3022,7 +3022,7 @@ proceed (CORE_ADDR addr, enum gdb_signal siggnal)
inferior function, as in that case we pretend the inferior
doesn't run at all. */
if (!cur_thr->control.in_infcall)
set_running (resume_target, resume_ptid, 1);
set_running (resume_target, resume_ptid, true);
if (debug_infrun)
fprintf_unfiltered (gdb_stdlog,
@ -3306,7 +3306,7 @@ infrun_thread_stop_requested (ptid_t ptid)
/* Otherwise we can process the (new) pending event now. Set
it so this pending event is considered by
do_target_wait. */
tp->resumed = 1;
tp->resumed = true;
}
}
@ -4749,7 +4749,7 @@ stop_all_threads (void)
/* The thread may be not executing, but still be
resumed with a pending status to process. */
t->resumed = 0;
t->resumed = false;
}
}
@ -4788,7 +4788,7 @@ stop_all_threads (void)
t->stop_requested = 0;
t->executing = 0;
t->resumed = 0;
t->resumed = false;
t->control.may_range_step = 0;
/* This may be the first time we see the inferior report
@ -5126,10 +5126,10 @@ handle_inferior_event (struct execution_control_state *ecs)
else
mark_ptid = ecs->ptid;
set_executing (ecs->target, mark_ptid, 0);
set_executing (ecs->target, mark_ptid, false);
/* Likewise the resumed flag. */
set_resumed (ecs->target, mark_ptid, 0);
set_resumed (ecs->target, mark_ptid, false);
}
switch (ecs->ws.kind)
@ -5623,7 +5623,7 @@ restart_threads (struct thread_info *event_thread)
"infrun: restart threads: "
"[%s] has pending status\n",
target_pid_to_str (tp->ptid).c_str ());
tp->resumed = 1;
tp->resumed = true;
continue;
}
@ -5763,7 +5763,7 @@ finish_step_over (struct execution_control_state *ecs)
/* This was cleared early, by handle_inferior_event. Set it
so this pending event is considered by
do_target_wait. */
tp->resumed = 1;
tp->resumed = true;
gdb_assert (!tp->executing);
@ -7424,7 +7424,7 @@ keep_going_stepped_thread (struct thread_info *tp)
get_frame_address_space (frame),
tp->suspend.stop_pc);
tp->resumed = 1;
tp->resumed = true;
resume_ptid = internal_resume_ptid (tp->control.stepping_command);
do_target_resume (resume_ptid, 0, GDB_SIGNAL_0);
}

8
gdb/linux-nat.c
View File

@ -1166,8 +1166,8 @@ attach_proc_task_lwp_callback (ptid_t ptid)
matching libthread_db is not found (or the process uses
raw clone). */
add_thread (linux_target, lp->ptid);
set_running (linux_target, lp->ptid, 1);
set_executing (linux_target, lp->ptid, 1);
set_running (linux_target, lp->ptid, true);
set_executing (linux_target, lp->ptid, true);
}
return 1;
@ -2038,8 +2038,8 @@ linux_handle_extended_wait (struct lwp_info *lp, int status)
internal to this module, from the perspective of infrun
and the user/frontend, this new thread is running until
it next reports a stop. */
set_running (linux_target, new_lp->ptid, 1);
set_executing (linux_target, new_lp->ptid, 1);
set_running (linux_target, new_lp->ptid, true);
set_executing (linux_target, new_lp->ptid, true);
if (WSTOPSIG (status) != SIGSTOP)
{

2
gdb/record-btrace.c
View File

@ -1958,7 +1958,7 @@ static struct frame_id
get_thread_current_frame_id (struct thread_info *tp)
{
struct frame_id id;
int executing;
bool executing;
/* Set current thread, which is implicitly used by
get_current_frame. */

4
gdb/record-full.c
View File

@ -1267,12 +1267,12 @@ record_full_wait_1 (struct target_ops *ops,
/* Try to insert the software single step breakpoint.
If insert success, set step to 0. */
set_executing (proc_target, inferior_ptid, 0);
set_executing (proc_target, inferior_ptid, false);
reinit_frame_cache ();
step = !insert_single_step_breakpoints (gdbarch);
set_executing (proc_target, inferior_ptid, 1);
set_executing (proc_target, inferior_ptid, true);
}
if (record_debug)

4
gdb/remote.c
View File

@ -4449,8 +4449,8 @@ remote_target::process_initial_stop_replies (int from_tty)
|| ws.value.sig != GDB_SIGNAL_0)
evthread->suspend.waitstatus_pending_p = 1;
set_executing (this, event_ptid, 0);
set_running (this, event_ptid, 0);
set_executing (this, event_ptid, false);
set_running (this, event_ptid, false);
get_remote_thread_info (evthread)->vcont_resumed = 0;
}

2
gdb/target.c
View File

@ -2127,7 +2127,7 @@ target_resume (ptid_t ptid, int step, enum gdb_signal signal)
/* We only set the internal executing state here. The user/frontend
running state is set at a higher level. This also clears the
thread's stop_pc as side effect. */
set_executing (curr_target, ptid, 1);
set_executing (curr_target, ptid, true);
clear_inline_frame_state (curr_target, ptid);
}

8
gdb/thread.c
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@ -823,13 +823,13 @@ set_resumed (process_stratum_target *targ, ptid_t ptid, bool resumed)
/* Helper for set_running, that marks one thread either running or
stopped. */
static int
set_running_thread (struct thread_info *tp, int running)
static bool
set_running_thread (struct thread_info *tp, bool running)
{
int started = 0;
bool started = false;
if (running && tp->state == THREAD_STOPPED)
started = 1;
started = true;
tp->state = running ? THREAD_RUNNING : THREAD_STOPPED;
if (!running)