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fallback to gettimeofday when monotonic clock is unavailable at run-time

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This commit is contained in:
Yang Tse
2008-07-02 03:04:56 +00:00
parent 400d9d4205
commit 97333deb3f
8 changed files with 60 additions and 55 deletions
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21
lib/timeval.c
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@@ -52,9 +52,24 @@ struct timeval curlx_tvnow(void)
*/
struct timeval now;
struct timespec tsnow;
(void)clock_gettime(CLOCK_MONOTONIC, &tsnow);
now.tv_sec = tsnow.tv_sec;
now.tv_usec = tsnow.tv_nsec / 1000;
if(0 == clock_gettime(CLOCK_MONOTONIC, &tsnow)) {
now.tv_sec = tsnow.tv_sec;
now.tv_usec = tsnow.tv_nsec / 1000;
}
/*
** Even when the configure process has truly detected monotonic clock
** availability, it might happen that it is not actually available at
** run-time. When this occurs simply fallback to other time source.
*/
#ifdef HAVE_GETTIMEOFDAY
else
(void)gettimeofday(&now, NULL);
#else
else {
now.tv_sec = (long)time(NULL);
now.tv_usec = 0;
}
#endif
return now;
}