EBUSY             394 dmtcpworker.cpp   if (ThreadSync::destroyDmtcpWorkerLockTryLock() == EBUSY) {
EBUSY             384 threadsync.cpp       if (retVal != 0 && retVal == EBUSY) {
EBUSY             512 threadsync.cpp       if (retVal != 1 && retVal == EBUSY) {
EBUSY             325 threadwrappers.cpp     if (ret == EBUSY || ret == 0) {