1  #include <sysdeps/unix/sysv/linux/kernel_sigaction.h>
       2  
       3  void __syscall_rt_sigreturn (void) attribute_hidden;
       4  void __syscall_sigreturn (void) attribute_hidden;
       5  
       6  #define STUB(act, sigsetsize) \
       7    (sigsetsize),						\
       8    (act) ? ((unsigned long)((act->sa_flags & SA_SIGINFO)	\
       9  			    ? &__syscall_rt_sigreturn	\
      10  			    : &__syscall_sigreturn))	\
      11  	: 0