38 typedef int (*SigActionFnPtr)(int, const struct sigaction*, struct sigaction*);
46   void Claim(const struct sigaction& action) {  in Claim()
54     sigaction(signal, &action_, nullptr);        // Restore old action.  in Unclaim()
58   const struct sigaction& GetAction() const {  in GetAction()
71   void SetAction(const struct sigaction& action, bool oldstyle) {  in SetAction()
89   struct sigaction action_;                 // Action to be performed.
128 extern "C" void ClaimSignalChain(int signal, struct sigaction* oldaction) {  in ClaimSignalChain()
164   const struct sigaction& action = user_sigactions[sig].GetAction();  in InvokeUserSignalHandler()
185 extern "C" void EnsureFrontOfChain(int signal, struct sigaction* expected_action) {  in EnsureFrontOfChain()
189   struct sigaction current_action;  in EnsureFrontOfChain()
200 extern "C" int sigaction(int signal, const struct sigaction* new_action, struct sigaction* old_acti…  in sigaction()  function
207     struct sigaction saved_action = user_sigactions[signal].GetAction();  in sigaction()
237   struct sigaction sa;  in signal()
266   typedef int (*SigAction)(int, const struct sigaction*, struct sigaction*);  in signal()
323         linked_sigaction_sym == reinterpret_cast<void*>(sigaction)) {  in InitializeSignalChain()
348     struct sigaction act, old_act;  in SetSpecialSignalHandlerFn()
355     if (sigaction(signal, &act, &old_act) != -1) {  in SetSpecialSignalHandlerFn()