rem: Ns_MutexLock(&connlock);
context: NsConnArgProc(Tcl_DString *dsPtr, void *arg){    ConnThreadData *dataPtr = arg;        if (dataPtr->connPtr != NULL) {    	Ns_MutexLock(&connlock);        NsAppendConn(dsPtr, dataPtr->connPtr, "running");    	Ns_MutexUnlock(&connlock);    } else {    	Tcl_DStringAppendElement(dsPtr, "");    }}