int lwpSleepFd(int fd, int flags, struct timeval *timeout);
int lwpSleepUntil(time_t until);
void lwpWakeup(struct lwpProc *);
-int lwpSigWait(int *sig);
+int lwpSigWait(void);
void *lwpGetUD(struct lwpProc *);
void lwpSetUD(struct lwpProc *, char *ud);
int lwpSetPriority(int prio);