ckptSignal          6 siginfo.h          int ckptSignal();
ckptSignal        242 threadlist.cpp   THREAD_TGKILL(motherpid, ckptThread->tid, SigInfo::ckptSignal());
ckptSignal        443 threadlist.cpp             if (THREAD_TGKILL(motherpid, thread->tid, SigInfo::ckptSignal()) < 0) {
ckptSignal        155 threadwrappers.cpp   sigaddset(&set, SigInfo::ckptSignal());