189   void Claim(int signo) {  in Claim()  argument
191       Register(signo);  in Claim()
197   void Register(int signo) {  in Register()  argument
210     linked_sigaction64(signo, &handler_action, &action_);  in Register()
212     linked_sigaction(signo, &handler_action, &action_);  in Register()
277   static void Handler(int signo, siginfo_t* siginfo, void*);
295 void SignalChain::Handler(int signo, siginfo_t* siginfo, void* ucontext_raw) {  in Handler()  argument
299     for (const auto& handler : chains[signo].special_handlers_) {  in Handler()
316       if (handler.sc_sigaction(signo, siginfo, ucontext_raw)) {  in Handler()
325   int handler_flags = chains[signo].action_.sa_flags;  in Handler()
329   sigorset(&mask, &ucontext->uc_sigmask64, &chains[signo].action_.sa_mask);  in Handler()
332   sigorset(&mask, &ucontext->uc_sigmask, &chains[signo].action_.sa_mask);  in Handler()
335     sigaddset(&mask, signo);  in Handler()
345     chains[signo].action_.sa_sigaction(signo, siginfo, ucontext_raw);  in Handler()
347     auto handler = chains[signo].action_.sa_handler;  in Handler()
351       fatal("exiting due to SIG_DFL handler for signal %d", signo);  in Handler()
353       handler(signo);  in Handler()
406 extern "C" sighandler_t signal(int signo, sighandler_t handler) {  in signal()  argument
409   if (signo <= 0 || signo >= _NSIG) {  in signal()
422   if (chains[signo].IsClaimed()) {  in signal()
424         chains[signo].GetAction<struct sigaction>().sa_handler);  in signal()
425     chains[signo].SetAction(&sa);  in signal()
431   if (linked_sigaction(signo, &sa, &sa) == -1) {  in signal()
439 extern "C" sighandler_t bsd_signal(int signo, sighandler_t handler) {  in bsd_signal()  argument
442   return signal(signo, handler);  in bsd_signal()