gdb/continuations: do minor cleanup

[deliverable/binutils-gdb.git] / gdb / continuations.h

/* Continuations for GDB, the GNU debugger.

   Copyright (C) 1999-2021 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/>.  */

#ifndef CONTINUATIONS_H
#define CONTINUATIONS_H

struct inferior;

/* To continue the execution commands when running gdb asynchronously.
   A continuation structure contains a pointer to a function to be called
   to finish the command, once the target has stopped.  Such mechanism is
   used by the attach command and the remote target when a new inferior
   is detected.  */

/* Prototype of the continuation callback functions.  ARG is the
   continuation argument registered in the corresponding
   add_*_continuation call.  */
typedef void (continuation_ftype) (void *arg);

/* Prototype of the function responsible for releasing the argument
   passed to the continuation callback functions, either when the
   continuation is called, or discarded.  */
typedef void (continuation_free_arg_ftype) (void *);

/* Inferior specific (any thread) continuations.  */

extern void add_inferior_continuation (continuation_ftype *,
				       void *,
				       continuation_free_arg_ftype *);
extern void do_all_inferior_continuations ();
extern void discard_all_inferior_continuations (struct inferior *inf);

#endif