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/* Continuations for GDB, the GNU debugger.
Copyright (C) 1999-2016 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 finish and until commands, and in the remote protocol
when opening an extended-remote connection. */
/* Prototype of the continuation callback functions. ARG is the
continuation argument registered in the corresponding
add_*_continuation call. ERR is true when the command should be
cancelled instead of finished normally. In that case, the
continuation should clean up whatever state had been set up for the
command in question (e.g., remove momentary breakpoints). This
happens e.g., when an error was thrown while handling a target
event, or when the inferior thread the command was being executed
on exits. */
typedef void (continuation_ftype) (void *arg, int err);
/* 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 (int err);
extern void discard_all_inferior_continuations (struct inferior *inf);
#endif
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