/* 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