1 /* Copyright (C) 1997-2021 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library. If not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #define SA_RESTORER 0x04000000 19 20 extern void __default_sa_restorer (void); 21 extern void __default_rt_sa_restorer (void); 22 23 #define SET_SA_RESTORER(kact, act) \ 24 ({ \ 25 if ((kact)->sa_flags & SA_RESTORER) \ 26 (kact)->sa_restorer = (act)->sa_restorer; \ 27 else \ 28 { \ 29 (kact)->sa_restorer = ((kact)->sa_flags & SA_SIGINFO) \ 30 ? __default_rt_sa_restorer \ 31 : __default_sa_restorer; \ 32 (kact)->sa_flags |= SA_RESTORER; \ 33 } \ 34 }) 35 36 #define RESET_SA_RESTORER(act, kact) \ 37 (act)->sa_restorer = (kact)->sa_restorer; 38 39 #include <sysdeps/unix/sysv/linux/libc_sigaction.c> 40