ckpt_extcomp_child_pid   61 ckptserializer.cpp static pid_t ckpt_extcomp_child_pid = -1;
ckpt_extcomp_child_pid  330 ckptserializer.cpp     ckpt_extcomp_child_pid = cpid;
ckpt_extcomp_child_pid  429 ckptserializer.cpp     restore_sigchld_handler_and_wait_for_zombie(ckpt_extcomp_child_pid);