1844 #define __sanitizer_syscall_pre_sigaction(signum, act, oldact)                 \  argument
1845   __sanitizer_syscall_pre_impl_sigaction((long)signum, (long)act, (long)oldact)
1846 #define __sanitizer_syscall_post_sigaction(res, signum, act, oldact)           \  argument
1848                                           (long)oldact)
1849 #define __sanitizer_syscall_pre_rt_sigaction(signum, act, oldact, sz)          \  argument
1851                                             (long)oldact, (long)sz)
1852 #define __sanitizer_syscall_post_rt_sigaction(res, signum, act, oldact, sz)    \  argument
1854                                              (long)oldact, (long)sz)
3087 void __sanitizer_syscall_pre_impl_sigaction(long signum, long act, long oldact);
3089                                              long oldact);
3091                                                long oldact, long sz);
3093                                                 long oldact, long sz);