signal_handler    146 plugin/ipc/ssh/dmtcp_ssh.cpp   signal(SIGCHLD, signal_handler);
signal_handler    145 plugin/ipc/ssh/util_ssh.cpp     signal(SIGHUP, signal_handler);
signal_handler    147 plugin/ipc/ssh/util_ssh.cpp     signal(SIGINT, signal_handler);
signal_handler    149 plugin/ipc/ssh/util_ssh.cpp     signal(SIGQUIT, signal_handler);
signal_handler    151 plugin/ipc/ssh/util_ssh.cpp     signal(SIGTERM, signal_handler);