1 /* Copyright (C) 1991-2021 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 #include <errno.h> 19 #include <signal.h> 20 21 22 /* Change the set of blocked signals to SET, 23 wait until a signal arrives, and restore the set of blocked signals. */ 24 int __sigsuspend(const sigset_t * set)25__sigsuspend (const sigset_t *set) 26 { 27 __set_errno (ENOSYS); 28 return -1; 29 } 30 libc_hidden_def (__sigsuspend) 31 weak_alias (__sigsuspend, sigsuspend) 32 33 stub_warning (sigsuspend) 34 stub_warning (__sigsuspend) 35