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Check for a timeout in avalon_scanhash and post to the write sem if we receive one.

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This commit is contained in:
Con Kolivas 2013-07-03 22:40:47 +10:00
parent 3b2f9ccb88
commit a011fe5182
1 changed files with 7 additions and 1 deletions
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8
driver-avalon.c
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@ -1200,6 +1200,7 @@ static int64_t avalon_scanhash(struct thr_info *thr)
struct timeval now, then, tdiff; struct timeval now, then, tdiff;
int64_t hash_count, us_timeout; int64_t hash_count, us_timeout;
struct timespec abstime; struct timespec abstime;
int ret;
/* Half nonce range */ /* Half nonce range */
us_timeout = 0x80000000ll / info->asic_count / info->frequency; us_timeout = 0x80000000ll / info->asic_count / info->frequency;
@ -1213,9 +1214,14 @@ static int64_t avalon_scanhash(struct thr_info *thr)
/* Wait until avalon_send_tasks signals us that it has completed /* Wait until avalon_send_tasks signals us that it has completed
* sending its work or a full nonce range timeout has occurred */ * sending its work or a full nonce range timeout has occurred */
mutex_lock(&info->qlock); mutex_lock(&info->qlock);
pthread_cond_timedwait(&info->qcond, &info->qlock, &abstime); ret = pthread_cond_timedwait(&info->qcond, &info->qlock, &abstime);
mutex_unlock(&info->qlock); mutex_unlock(&info->qlock);
/* If we timed out, avalon_send_tasks may be stuck waiting on the
* write_sem, so force it to check for avalon_buffer_full itself. */
if (ret)
cgsem_post(&info->write_sem);
mutex_lock(&info->lock); mutex_lock(&info->lock);
hash_count = 0xffffffffull * (uint64_t)info->nonces; hash_count = 0xffffffffull * (uint64_t)info->nonces;
avalon->results += info->nonces + info->idle; avalon->results += info->nonces + info->idle;