Need to recheck the pool->curls count on regaining the pool lock after the pthread conditional wait returns.
diff --git a/cgminer.c b/cgminer.c
index 39e52bd..cc6f949 100644
--- a/cgminer.c
+++ b/cgminer.c
@@ -2201,12 +2201,14 @@ static struct curl_ent *pop_curl_entry(struct pool *pool)
struct curl_ent *ce;
mutex_lock(&pool->pool_lock);
+retry:
if (!pool->curls)
recruit_curl(pool);
else if (list_empty(&pool->curlring)) {
- if (pool->submit_fail || pool->curls >= curl_limit)
+ if (pool->submit_fail || pool->curls >= curl_limit) {
pthread_cond_wait(&pool->cr_cond, &pool->pool_lock);
- else
+ goto retry;
+ } else
recruit_curl(pool);
}
ce = list_entry(pool->curlring.next, struct curl_ent, node);