1383                           __sanitizer_sigaction *oldact);
1385 #define SIGNAL_INTERCEPTOR_SIGACTION_IMPL(signo, act, oldact) \  argument
1386   { return sigaction_impl(signo, act, oldact); }
1398                           __sanitizer_sigaction *oldact) {  in sigaction_impl()  argument
1422     res = REAL(SIGACTION_SYMNAME)(signo, pnew_act, oldact);  in sigaction_impl()
1423     if (res == 0 && oldact) {  in sigaction_impl()
1424       uptr cb = (uptr)oldact->sigaction;  in sigaction_impl()
1426         oldact->sigaction = (decltype(oldact->sigaction))old_cb;  in sigaction_impl()
1430     res = REAL(SIGACTION_SYMNAME)(signo, act, oldact);  in sigaction_impl()
1433   if (res == 0 && oldact) {  in sigaction_impl()
1434     __msan_unpoison(oldact, sizeof(__sanitizer_sigaction));  in sigaction_impl()