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Add more comments explaining how sleep time equals wait time and simplify the

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comparison.
This commit is contained in:
Con Kolivas 2012-07-06 10:41:08 +10:00
parent 69a11508a4
commit 390d77a202
1 changed files with 5 additions and 3 deletions
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8
driver-bitforce.c
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@ -368,12 +368,14 @@ static uint64_t bitforce_get_result(struct thr_info *thr, struct work *work)
if (!pdevbuf[0]) /* Only return if we got nothing after timeout - there still may be results */
return 1;
} else if (!strncasecmp(pdevbuf, "N", 1)) {/* Hashing complete (NONCE-FOUND or NO-NONCE) */
/* Simple timing adjustment */
/* Simple timing adjustment. Allow a few polls to cope with
* OS timer delays being variably reliable. wait_ms will
* always equal sleep_ms when we've waited greater than or
* equal to the result return time.*/
delay_time_ms = bitforce->sleep_ms;
if (bitforce->wait_ms > bitforce->sleep_ms + (WORK_CHECK_INTERVAL_MS * 2))
bitforce->sleep_ms += (bitforce->wait_ms - bitforce->sleep_ms) / 2;
else if (bitforce->wait_ms > bitforce->sleep_ms - WORK_CHECK_INTERVAL_MS &&
bitforce->wait_ms <= bitforce->sleep_ms)
else if (bitforce->wait_ms == bitforce->sleep_ms)
bitforce->sleep_ms -= BITFORCE_CHECK_INTERVAL_MS;
if (delay_time_ms != bitforce->sleep_ms)