31 void SIGCHLDHandler(int signal) {  in SIGCHLDHandler()  argument
38 void GracefulShutdownHandler(int signal) {  in GracefulShutdownHandler()  argument
43   RAW_CHECK(sigaction(signal, &action, NULL) == 0);  in GracefulShutdownHandler()
51               reinterpret_cast<const char*>(&signal) + bytes_written,  in GracefulShutdownHandler()
52               sizeof(signal) - bytes_written));  in GracefulShutdownHandler()
55   } while (bytes_written < sizeof(signal));  in GracefulShutdownHandler()
59 void SIGHUPHandler(int signal) {  in SIGHUPHandler()  argument
60   RAW_CHECK(signal == SIGHUP);  in SIGHUPHandler()
61   GracefulShutdownHandler(signal);  in SIGHUPHandler()
65 void SIGINTHandler(int signal) {  in SIGINTHandler()  argument
66   RAW_CHECK(signal == SIGINT);  in SIGINTHandler()
67   GracefulShutdownHandler(signal);  in SIGINTHandler()
71 void SIGTERMHandler(int signal) {  in SIGTERMHandler()  argument
72   RAW_CHECK(signal == SIGTERM);  in SIGTERMHandler()
73   GracefulShutdownHandler(signal);  in SIGTERMHandler()
117   int signal;  in ThreadMain()  local
123              reinterpret_cast<char*>(&signal) + bytes_read,  in ThreadMain()
124              sizeof(signal) - bytes_read));  in ThreadMain()
135   } while (bytes_read < sizeof(signal));  in ThreadMain()
137   VLOG(1) << "Handling shutdown for signal " << signal << ".";  in ThreadMain()
146     kill(getpid(), signal);  in ThreadMain()
159     _exit(signal | (1 << 7));  in ThreadMain()