DMTCP_EVENT_PRE_SUSPEND_USER_THREAD  136 mtcpinterface.cpp   DmtcpWorker::eventHook(DMTCP_EVENT_PRE_SUSPEND_USER_THREAD, NULL);
DMTCP_EVENT_PRE_SUSPEND_USER_THREAD   41 procname.cpp       case DMTCP_EVENT_PRE_SUSPEND_USER_THREAD: