Use the cgpu_info shutdown to determine when to stop the avalon read and write threads.
diff --git a/driver-avalon.c b/driver-avalon.c
index 7373c1d..a07a437 100644
--- a/driver-avalon.c
+++ b/driver-avalon.c
@@ -738,7 +738,7 @@ static void *avalon_get_results(void *userdata)
snprintf(threadname, 24, "ava_recv/%d", avalon->device_id);
RenameThread(threadname);
- while (42) {
+ while (likely(!avalon->shutdown)) {
struct timeval tv_start, now, tdiff;
unsigned char buf[rsize];
int ret;
@@ -804,7 +804,7 @@ static void *avalon_send_tasks(void *userdata)
snprintf(threadname, 24, "ava_send/%d", avalon->device_id);
RenameThread(threadname);
- while (42) {
+ while (likely(!avalon->shutdown)) {
int start_count, end_count, i, j, ret;
struct avalon_task at;
int idled = 0;
@@ -907,10 +907,7 @@ static void do_avalon_close(struct thr_info *thr)
struct cgpu_info *avalon = thr->cgpu;
struct avalon_info *info = avalon->device_data;
- info->reset = true;
- pthread_cancel(info->read_thr);
pthread_join(info->read_thr, NULL);
- pthread_cancel(info->write_thr);
pthread_join(info->write_thr, NULL);
avalon_running_reset(avalon, info);