sendHandshake     413 plugin/ipc/socket/socketconnection.cpp       sendHandshake(_fds[0], coordId);
sendHandshake     113 plugin/ipc/socket/socketconnection.h       void sendHandshake(int remotefd, const ConnectionIdentifier& coordId);
sendHandshake     118 plugin/ipc/socket/socketwrappers.cpp       con->sendHandshake(sockfd, DmtcpWorker::instance().coordinatorId());