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Use monotonic time source if available.

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This commit is contained in:
Yang Tse
2008-05-09 16:30:24 +00:00
parent fd5fdecf30
commit 0848b4fdaa
10 changed files with 113 additions and 40 deletions
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31
windows_port.c
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@ -55,37 +55,6 @@ ares_strcasecmp(const char *a, const char *b)
}
#endif
/*
* Number of micro-seconds between the beginning of the Windows epoch
* (Jan. 1, 1601) and the Unix epoch (Jan. 1, 1970).
*/
#if defined(_MSC_VER) || defined(__WATCOMC__)
#define EPOCH_FILETIME 11644473600000000Ui64
#else
#define EPOCH_FILETIME 11644473600000000ULL
#endif
int
ares_gettimeofday(struct timeval *tv, struct timezone *tz)
{
FILETIME ft;
LARGE_INTEGER li;
__int64 t;
if (tv)
{
GetSystemTimeAsFileTime(&ft);
li.LowPart = ft.dwLowDateTime;
li.HighPart = ft.dwHighDateTime;
t = li.QuadPart / 10; /* In micro-second intervals */
t -= EPOCH_FILETIME; /* Offset to the Epoch time */
tv->tv_sec = (long)(t / 1000000);
tv->tv_usec = (long)(t % 1000000);
}
(void) tz;
return 0;
}
int
ares_writev (ares_socket_t s, const struct iovec *vector, size_t count)
{