| /* Continuations for GDB, the GNU debugger. |
| |
| Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, |
| 2009, 2010, 2011 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 thread_info; |
| 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 *); |
| |
| /* Thread specific continuations. */ |
| |
| extern void add_continuation (struct thread_info *, |
| continuation_ftype *, void *, |
| continuation_free_arg_ftype *); |
| extern void do_all_continuations (int err); |
| extern void do_all_continuations_thread (struct thread_info *, int err); |
| extern void discard_all_continuations (void); |
| extern void discard_all_continuations_thread (struct thread_info *); |
| |
| extern void add_intermediate_continuation (struct thread_info *, |
| continuation_ftype *, void *, |
| continuation_free_arg_ftype *); |
| extern void do_all_intermediate_continuations (int err); |
| extern void do_all_intermediate_continuations_thread (struct thread_info *, int err); |
| extern void discard_all_intermediate_continuations (void); |
| extern void discard_all_intermediate_continuations_thread (struct thread_info *); |
| |
| /* 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 |