1  /* POSIX.1 sigaction call for Linux/SPARC.
       2     Copyright (C) 1997-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library 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 GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <string.h>
      20  #include <syscall.h>
      21  #include <sys/signal.h>
      22  #include <errno.h>
      23  #include <kernel_sigaction.h>
      24  #include <sysdep.h>
      25  
      26  void __rt_sigreturn_stub (void);
      27  void __sigreturn_stub (void);
      28  
      29  #define STUB(act, sigsetsize) \
      30    (act) ? ((unsigned long)((act->sa_flags & SA_SIGINFO)	\
      31  			    ? &__rt_sigreturn_stub	\
      32  			    : &__sigreturn_stub) - 8)	\
      33  	: 0,						\
      34    (sigsetsize)
      35  
      36  #include <sysdeps/unix/sysv/linux/libc_sigaction.c>