191   void Claim(int signo) {  in Claim()  argument
193       Register(signo);  in Claim()
199   void Register(int signo) {  in Register()  argument
212     linked_sigaction64(signo, &handler_action, &action_);  in Register()
214     linked_sigaction(signo, &handler_action, &action_);  in Register()
275   static void Handler(int signo, siginfo_t* siginfo, void*);
291 void SignalChain::Handler(int signo, siginfo_t* siginfo, void* ucontext_raw) {  in Handler()  argument
295     for (const auto& handler : chains[signo].special_handlers_) {  in Handler()
312       if (handler.sc_sigaction(signo, siginfo, ucontext_raw)) {  in Handler()
321   int handler_flags = chains[signo].action_.sa_flags;  in Handler()
325   sigorset(&mask, &ucontext->uc_sigmask64, &chains[signo].action_.sa_mask);  in Handler()
328   sigorset(&mask, &ucontext->uc_sigmask, &chains[signo].action_.sa_mask);  in Handler()
331     sigaddset(&mask, signo);  in Handler()
341     chains[signo].action_.sa_sigaction(signo, siginfo, ucontext_raw);  in Handler()
343     auto handler = chains[signo].action_.sa_handler;  in Handler()
347       fatal("exiting due to SIG_DFL handler for signal %d", signo);  in Handler()
349       handler(signo);  in Handler()
398 extern "C" sighandler_t signal(int signo, sighandler_t handler) {  in signal()  argument
401   if (signo <= 0 || signo >= _NSIG) {  in signal()
414   if (chains[signo].IsClaimed()) {  in signal()
416         chains[signo].GetAction<struct sigaction>().sa_handler);  in signal()
417     chains[signo].SetAction(&sa);  in signal()
423   if (linked_sigaction(signo, &sa, &sa) == -1) {  in signal()
431 extern "C" sighandler_t bsd_signal(int signo, sighandler_t handler) {  in bsd_signal()  argument
434   return signal(signo, handler);  in bsd_signal()