#ifndef TIME_UTIL_H #define TIME_UTIL_H #include <sys/time.h> /* for struct timeval */ /* Returns -1 if tv1<tv2, 1 if tv1>tv2, 0 if they're equal. */ int timeval_cmp(const struct timeval *tv1, const struct timeval *tv2); /* Returns tv1-tv2 in milliseconds. */ int timeval_diff_msecs(const struct timeval *tv1, const struct timeval *tv2); /* Returns tv1-tv2 in microseconds. */ long long timeval_diff_usecs(const struct timeval *tv1, const struct timeval *tv2); #endif