Bugfix: bitforce: Pause after send_work failures

cgminer.c

@@ -92,7 +92,7 @@ static bool opt_realquiet;
 bool opt_loginput;
 const int opt_cutofftemp = 95;
 static int opt_retries = -1;
-static int opt_fail_pause = 5;
+int opt_fail_pause = 5;
 static int fail_pause = 5;
 int opt_log_interval = 5;
 static int opt_queue = 1;

driver-bitforce.c

@@ -480,6 +480,7 @@ static int64_t bitforce_scanhash(struct thr_info *thr, struct work *work, int64_
 	if (!bitforce_send_work(thr, work)) {
 		if (thr->work_restart)
 			return 0;
+		sleep(opt_fail_pause);
 		goto commerr;
 	}
 

miner.h

@@ -657,6 +657,7 @@ extern int total_getworks, total_stale, total_discarded;
 extern unsigned int local_work;
 extern unsigned int total_go, total_ro;
 extern const int opt_cutofftemp;
+extern int opt_fail_pause;
 extern int opt_log_interval;
 extern unsigned long long global_hashrate;