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Make NET_Sleep wait 1ms less than requested, then busy-wait the last ms for better timeout precision.

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This commit is contained in:
Thilo Schulz 2011-02-23 18:09:17 +00:00
parent ccd24cd647
commit 34e0a6c6f6
2 changed files with 11 additions and 23 deletions
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9
code/qcommon/net_ip.c
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@ -1707,18 +1707,9 @@ void NET_Sleep(int msec)
if(highestfd < 0)
{
// windows ain't happy when select is called without valid FDs
if(msec > 0)
msec--;
SleepEx(msec, 0);
return;
}
#define TVW32_BIAS 999
// windows adds a whole millisecond of latency, otherwise granularity seems to be fine.
if(timeout.tv_usec > TVW32_BIAS)
timeout.tv_usec -= TVW32_BIAS;
#endif
retval = select(highestfd + 1, &fdr, NULL, NULL, &timeout);