| 1 | /* Copyright (C) 2016-2020 Free Software Foundation, Inc. |
| 2 | |
| 3 | This file is part of GDB. |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by |
| 7 | the Free Software Foundation; either version 3 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #ifndef COMMON_SIGNALS_STATE_SAVE_RESTORE_H |
| 19 | #define COMMON_SIGNALS_STATE_SAVE_RESTORE_H |
| 20 | |
| 21 | /* Save/restore the signal actions of all signals, and the signal |
| 22 | mask. |
| 23 | |
| 24 | Since the exec family of functions does not reset the signal |
| 25 | disposition of signals set to SIG_IGN, nor does it reset the signal |
| 26 | mask, in order to be transparent, when spawning new child processes |
| 27 | to debug (with "run", etc.), we must reset signal actions and mask |
| 28 | back to what was originally inherited from gdb/gdbserver's parent, |
| 29 | just before execing the target program to debug. */ |
| 30 | |
| 31 | /* Save the signal state of all signals. If !QUIET, warn if we detect |
| 32 | a custom signal handler preinstalled. */ |
| 33 | |
| 34 | extern void save_original_signals_state (bool quiet); |
| 35 | |
| 36 | /* Restore the signal state of all signals. */ |
| 37 | |
| 38 | extern void restore_original_signals_state (void); |
| 39 | |
| 40 | #endif /* COMMON_SIGNALS_STATE_SAVE_RESTORE_H */ |