396 static SignalChain chains[_NSIG];  variable
410     for (const auto& handler : chains[signo].special_handlers_) {  in Handler()
452   int handler_flags = chains[signo].action_.sa_flags;  in Handler()
456   sigorset(&mask, &ucontext->uc_sigmask64, &chains[signo].action_.sa_mask);  in Handler()
459   sigorset(&mask, &ucontext->uc_sigmask, &chains[signo].action_.sa_mask);  in Handler()
483     chains[signo].action_.sa_sigaction(signo, siginfo, ucontext_raw);  in Handler()
485     auto handler = chains[signo].action_.sa_handler;  in Handler()
522   if (chains[signal].IsClaimed()) {  in __sigaction()
523     SigactionType saved_action = chains[signal].GetAction<SigactionType>();  in __sigaction()
525       chains[signal].SetAction(new_action);  in __sigaction()
568   if (chains[signo].IsClaimed()) {  in signal()
570         chains[signo].GetAction<struct sigaction>().sa_handler);  in signal()
571     chains[signo].SetAction(&sa);  in signal()
609         if (chains[i].IsClaimed() && sigismember(&tmpset, i)) {  in __sigprocmask()
642   chains[signal].AddSpecialHandler(sa);  in AddSpecialSignalHandlerFn()
643   chains[signal].Claim(signal);  in AddSpecialSignalHandlerFn()
653   chains[signal].RemoveSpecialHandler(fn);  in RemoveSpecialSignalHandlerFn()
676     chains[signal].Register(signal);  in EnsureFrontOfChain()