suspend_sigset    102 ckptserializer.cpp     sigset_t suspend_sigset;
suspend_sigset    103 ckptserializer.cpp     sigfillset(&suspend_sigset);
suspend_sigset    104 ckptserializer.cpp     sigdelset(&suspend_sigset, SIGCHLD);
suspend_sigset    105 ckptserializer.cpp     _real_sigsuspend(&suspend_sigset);