diff options
Diffstat (limited to 'lib/fatal-signal.h')
| -rw-r--r-- | lib/fatal-signal.h | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/lib/fatal-signal.h b/lib/fatal-signal.h index 2c0154ffc3..a51d15fdc4 100644 --- a/lib/fatal-signal.h +++ b/lib/fatal-signal.h @@ -1,21 +1,31 @@ /* Emergency actions in case of a fatal signal. - Copyright (C) 2003-2004, 2009-2020 Free Software Foundation, Inc. + Copyright (C) 2003-2004, 2009-2024 Free Software Foundation, Inc. Written by Bruno Haible <bruno@clisp.org>, 2003. - 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 file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. - This program is distributed in the hope that it will be useful, + This file 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. + GNU Lesser General Public License for more details. - You should have received a copy of the GNU General Public License + You should have received a copy of the GNU Lesser General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ +#ifndef _FATAL_SIGNAL_H +#define _FATAL_SIGNAL_H + +/* This file uses _GL_ASYNC_SAFE. */ +#if !_GL_CONFIG_H_INCLUDED + #error "Please include config.h first." +#endif + +#include <signal.h> + #ifdef __cplusplus extern "C" { #endif @@ -51,8 +61,10 @@ extern "C" { The cleanup function is executed asynchronously. It is unspecified whether during its execution the catchable fatal signals are blocked - or not. */ -extern void at_fatal_signal (_GL_ASYNC_SAFE void (*function) (int sig)); + or not. + + Return 0 upon success, or -1 if there was a memory allocation problem. */ +extern int at_fatal_signal (_GL_ASYNC_SAFE void (*function) (int sig)); /* Sometimes it is necessary to block the usually fatal signals while the @@ -77,7 +89,13 @@ extern void unblock_fatal_signals (void); Fills signals[0..count-1] and returns count. */ extern unsigned int get_fatal_signals (int signals[64]); +/* Return the list of signals that block_fatal_signals/unblock_fatal_signals + would block or unblock. */ +extern const sigset_t * get_fatal_signal_set (void); + #ifdef __cplusplus } #endif + +#endif /* _FATAL_SIGNAL_H */ |