| /* Copyright (C) 2016-2021 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 COMMON_SIGNALS_STATE_SAVE_RESTORE_H |
| #define COMMON_SIGNALS_STATE_SAVE_RESTORE_H |
| |
| /* Save/restore the signal actions of all signals, and the signal |
| mask. |
| |
| Since the exec family of functions does not reset the signal |
| disposition of signals set to SIG_IGN, nor does it reset the signal |
| mask, in order to be transparent, when spawning new child processes |
| to debug (with "run", etc.), we must reset signal actions and mask |
| back to what was originally inherited from gdb/gdbserver's parent, |
| just before execing the target program to debug. */ |
| |
| /* Save the signal state of all signals. If !QUIET, warn if we detect |
| a custom signal handler preinstalled. */ |
| |
| extern void save_original_signals_state (bool quiet); |
| |
| /* Restore the signal state of all signals. */ |
| |
| extern void restore_original_signals_state (void); |
| |
| #endif /* COMMON_SIGNALS_STATE_SAVE_RESTORE_H */ |