1838 #define __sanitizer_syscall_pre_sigaction(signum, act, oldact)                 \  argument
1839   __sanitizer_syscall_pre_impl_sigaction((long)signum, (long)act, (long)oldact)
1840 #define __sanitizer_syscall_post_sigaction(res, signum, act, oldact)           \  argument
1842                                           (long)oldact)
1843 #define __sanitizer_syscall_pre_rt_sigaction(signum, act, oldact, sz)          \  argument
1845                                             (long)oldact, (long)sz)
1846 #define __sanitizer_syscall_post_rt_sigaction(res, signum, act, oldact, sz)    \  argument
1848                                              (long)oldact, (long)sz)
3072 void __sanitizer_syscall_pre_impl_sigaction(long signum, long act, long oldact);
3074                                              long oldact);
3076                                                long oldact, long sz);
3078                                                 long oldact, long sz);