rem: Ns_MasterUnlock;
add: Ns_MasterUnlock();
context: TclpThreadDataKeyInit(keyPtr)    Tcl_ThreadDataKey *keyPtr;	/* Identifier for the data chunk */{    Ns_Tls *tlsPtr = (Ns_Tls *) keyPtr;    Ns_MasterLock;    if (*tlsPtr == NULL) {	Ns_TlsAlloc(tlsPtr, FreeDataBlock);    }    Ns_MasterUnlock;}