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Calculate diff of two struct timespec
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#include <time.h> | |
void timespec_diff(struct timespec *start, struct timespec *stop, | |
struct timespec *result) | |
{ | |
if ((stop->tv_nsec - start->tv_nsec) < 0) { | |
result->tv_sec = stop->tv_sec - start->tv_sec - 1; | |
result->tv_nsec = stop->tv_nsec - start->tv_nsec + 1000000000; | |
} else { | |
result->tv_sec = stop->tv_sec - start->tv_sec; | |
result->tv_nsec = stop->tv_nsec - start->tv_nsec; | |
} | |
return; | |
} |
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