102 struct timespec tsDelta(const struct timespec *first,  in tsDelta()  argument
107     assert(first != NULL);  in tsDelta()
109     assert(first->tv_nsec >= 0 && first->tv_nsec < nSecsPerSec);  in tsDelta()
111     rv.tv_sec = second->tv_sec - first->tv_sec;  in tsDelta()
112     if (second->tv_nsec >= first->tv_nsec) {  in tsDelta()
113         rv.tv_nsec = second->tv_nsec - first->tv_nsec;  in tsDelta()
115         rv.tv_nsec = (second->tv_nsec + nSecsPerSec) - first->tv_nsec;  in tsDelta()
125 struct timeval tvDelta(const struct timeval *first,  in tvDelta()  argument
130     assert(first != NULL);  in tvDelta()
132     assert(first->tv_usec >= 0 && first->tv_usec < uSecsPerSec);  in tvDelta()
134     rv.tv_sec = second->tv_sec - first->tv_sec;  in tvDelta()
135     if (second->tv_usec >= first->tv_usec) {  in tvDelta()
136         rv.tv_usec = second->tv_usec - first->tv_usec;  in tvDelta()
138         rv.tv_usec = (second->tv_usec + uSecsPerSec) - first->tv_usec;  in tvDelta()