binutils-gdb/gdb/thread-fsm.c

110 lines
2.5 KiB
C

/* Thread command's finish-state machine, for GDB, the GNU debugger.
Copyright (C) 2015-2018 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "thread-fsm.h"
/* See thread-fsm.h. */
void
thread_fsm_ctor (struct thread_fsm *self, struct thread_fsm_ops *ops,
struct interp *cmd_interp)
{
self->command_interp = cmd_interp;
self->finished = 0;
self->ops = ops;
}
/* See thread-fsm.h. */
void
thread_fsm_delete (struct thread_fsm *self)
{
if (self != NULL)
{
if (self->ops->dtor != NULL)
self->ops->dtor (self);
xfree (self);
}
}
/* See thread-fsm.h. */
void
thread_fsm_clean_up (struct thread_fsm *self, struct thread_info *thread)
{
if (self->ops->clean_up != NULL)
self->ops->clean_up (self, thread);
}
/* See thread-fsm.h. */
int
thread_fsm_should_stop (struct thread_fsm *self, struct thread_info *thread)
{
return self->ops->should_stop (self, thread);
}
/* See thread-fsm.h. */
struct return_value_info *
thread_fsm_return_value (struct thread_fsm *self)
{
if (self->ops->return_value != NULL)
return self->ops->return_value (self);
return NULL;
}
/* See thread-fsm.h. */
void
thread_fsm_set_finished (struct thread_fsm *self)
{
self->finished = 1;
}
/* See thread-fsm.h. */
int
thread_fsm_finished_p (struct thread_fsm *self)
{
return self->finished;
}
/* See thread-fsm.h. */
enum async_reply_reason
thread_fsm_async_reply_reason (struct thread_fsm *self)
{
/* If we didn't finish, then the stop reason must come from
elsewhere. E.g., a breakpoint hit or a signal intercepted. */
gdb_assert (thread_fsm_finished_p (self));
return self->ops->async_reply_reason (self);
}
/* See thread-fsm.h. */
int
thread_fsm_should_notify_stop (struct thread_fsm *self)
{
if (self->ops->should_notify_stop != NULL)
return self->ops->should_notify_stop (self);
return 1;
}